Metal fabrication companies in Maryland play a crucial role in constructing and assembling various metal products. This vital industry comprises manufacturers focusing on sheet metal fabrication, welding, machining, and assembly services for sectors like construction, aerospace, and automotive. With advancements in technology driving efficiency, many firms are adopting automation and CNC machining to streamline processes. Sustainability is increasingly important, and companies are starting to incorporate eco-friendly practices in metalworking procedures. Maryland’s proximity to key markets and a strong workforce helps bolster its position in the metal fabrication sector.


The companies in this list represent a range of sizes and specializations, from small, family-owned firms to mid-sized operations. Established between 1937 and 2014, they operate primarily in metropolitan areas like Baltimore and Frederick. Many focus on sheet metal and structural steel fabrication, catering to the construction and manufacturing industries. Collectively, these businesses contribute significantly to the local and national economy, striving for quality and safety in their operations.


Continue reading to explore the premier metal fabrication companies in Maryland.


Top 25 Metal Fabrication Companies in Maryland


1. Kaempf & Harris Sheet Metal


Kaempf & Harris Sheet Metal, based in Frederick, Maryland, has been a prominent player in the metal fabrication industry since its founding in 1937. The company specializes in sheet metal fabrication, installation, and design-build services, catering to a variety of sectors including commercial, industrial, and institutional clients. With a dedicated team of over 90 professionals, they fabricate and install more than 500 tons of metal annually. Their commitment to quality is evident in their meticulous approach to projects, which range from custom design solutions to large-scale installations. Kaempf & Harris is also recognized for its adherence to safety standards and its investment in employee training, ensuring a skilled workforce capable of delivering high-quality results. Their portfolio includes notable projects such as the custom HVAC system for the Carroll Hospital Cancer Center, showcasing their capability to handle complex and demanding assignments.


2. B&b Welding Company, INC.


B&B Welding Company, INC., established in 1964 and under current ownership since 1971, has transitioned from a portable welding service to a prominent steel fabrication company specializing in structural and miscellaneous steel work. Located in Edgemere, Maryland, the company operates a 45,000 square foot facility equipped with advanced machinery, including CNC tools and specialized coping machines. B&B Welding serves construction companies and contractors, ensuring high-quality welding and fabrication services. Their ability to electronically import designs from engineers streamlines project execution, enhancing efficiency and precision. Over the years, B&B Welding has completed numerous significant projects, including work for the U.S. Navy and various educational institutions. Their commitment to quality and innovation has earned them a solid reputation in the industry, making them a trusted partner for many construction firms.


3. Ackerman & Baynes LLC.

  • Website: ackbay.com
  • Ownership type: Private
  • Headquarters: Baltimore, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1945
  • Headcount: 11-50
  • LinkedIn: ackerman-baynes-llc

Ackerman & Baynes LLC, based in Baltimore, Maryland, has been a prominent player in the metal fabrication industry since its inception in 1945. The company specializes in heavy steel fabrication, bridge components, and OEM services, catering primarily to the construction and manufacturing sectors. With a robust 32,000 square foot shop and a 40,000 square foot outdoor storage area, Ackerman & Baynes is well-equipped to handle a variety of projects, from simple metal components to complex structural steel fabrications. Their experienced team is adept at managing the entire fabrication process, from initial design to final delivery, ensuring that all products meet stringent quality standards. The company is certified by the American Institute of Steel Construction (AISC) and the American Welding Society (AWS), which underscores their commitment to excellence in metal fabrication. Their focus on customer satisfaction, timely delivery, and adherence to industry regulations positions them as a reliable partner in the metal fabrication landscape.


4. AIW, Inc./ American Iron Works

  • Website: americanironworks.com
  • Ownership type: Private
  • Headquarters: Hyattsville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 88%, Philippines 6%, India 6%
  • Founded year: 1948
  • Headcount: 201-500
  • LinkedIn: aiw

AIW, Inc./American Iron Works, based in Hyattsville, Maryland, has been a prominent player in the construction industry since its inception in 1948. The company specializes in the manufacturing and installation of specialty metals and structural steel, catering to complex building projects across various sectors, including commercial and government. AIW operates with a full suite of metalworking services, ensuring timely and efficient project completion. Their product offerings include specialty metal products, ornamental metals, and structural steel, making them a one-stop shop for clients. AIW has built strong relationships with major national contractors, which has enabled them to participate in high-profile projects such as the Food and Drug Administration Building and the DC City Center. The company prides itself on its technical expertise, innovative operations, and commitment to safety, which are critical in the competitive landscape of metal fabrication.


5. Netzer Metalworks, LLC

  • Website: netzermetal.com
  • Ownership type: Private
  • Headquarters: Essex, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1970
  • Headcount: 11-50
  • LinkedIn: netzer-metalcraft-aerofab

Netzer Metalworks, LLC, based in Essex, Maryland, has been a trusted name in the manufacturing sector since its inception in 1970. The company specializes in sheet metal fabrication, CNC machining, and finishing services, serving a variety of industries including aerospace, defense, military, and commercial aviation. With a workforce of 23 skilled employees, Netzer Metalworks prides itself on its ability to produce high-quality parts tailored to the specific needs of its clients. Their extensive capabilities include advanced machining processes and a robust in-house painting facility, allowing them to handle both simple and complex projects. The company emphasizes a culture of collaboration and critical thinking, which is essential for innovation in manufacturing. Their commitment to quality is reflected in their adherence to industry standards and certifications, ensuring that they meet the rigorous demands of their clientele.


6. Harford Systems Inc

  • Website: harfordsystems.com
  • Ownership type: Private Equity
  • Headquarters: Aberdeen, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: September 2021
  • Founded year: 1975
  • Headcount: 1-10
  • LinkedIn: harford-systems-inc

Harford Systems Inc, based in Aberdeen, Maryland, has been a player in the metal fabrication industry since its founding in 1975. The company specializes in custom stainless steel and sheet metal products, offering a wide array of services such as laser cutting, welding, machining, and assembly. With a workforce of around 19 employees, Harford Systems focuses on delivering tailored solutions to meet the specific requirements of its clients. Their commitment to quality is evident in their rigorous inspection processes and the advanced equipment they utilize, including CNC machines and laser cutters. Over the years, they have built a reputation for reliability and precision, serving businesses that demand high-quality metal components. Harford Systems also engages in custom design and prototyping, showcasing their ability to adapt to various project needs. Their experience and dedication to customer satisfaction position them as a relevant entity in the metal fabrication sector.


7. Stromberg Metal Works

  • Website: strombergmetals.com
  • Ownership type: Private
  • Headquarters: Beltsville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1940
  • Headcount: 201-500
  • LinkedIn: stromberg-metal-works

Stromberg Metal Works, Inc. is a metal fabrication company based in Beltsville, Maryland, with a history dating back to 1940. Specializing in HVAC systems and architectural metal work, the company serves professional contractors across the East Coast, particularly in the Washington D.C., Maryland, Virginia, and Pennsylvania areas. Stromberg Metal Works offers a comprehensive suite of services, including engineering, welding, and the production of custom metal products. Their capabilities extend to specialized projects in clean rooms, pharmaceutical systems, and data centers, showcasing their adaptability to various industry needs. The company prides itself on maintaining high standards of quality and customer satisfaction, which has contributed to its strong reputation in the metal works sector. As an employee-owned business, Stromberg Metal Works emphasizes a culture of commitment and service, ensuring that their team of experts is dedicated to meeting the unique requirements of each project.


8. Baltimore Fabrication, A Division of SteelFab

  • Website: baltimorefab.com
  • Ownership type: Private
  • Headquarters: Baltimore, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2014
  • Headcount: 51-200
  • LinkedIn: baltimore-fabrication

Baltimore Fabrication, a Division of SteelFab, was founded in 2014 and is based in Baltimore, Maryland. The company specializes in structural, miscellaneous, and ornamental steel fabrication and installation services. They cater primarily to the construction and architectural sectors, providing high-quality steel components that meet the demands of various projects. With a fully automated fabrication shop spanning 40,000 square feet, Baltimore Fabrication operates six days a week, ensuring efficient production and timely delivery. Their services include estimating and pre-construction, project management, fabrication, installation, and a strong emphasis on safety protocols. The company has expanded its reach beyond the Mid-Atlantic region, taking on projects that showcase their capabilities in both commercial and institutional sectors. Their parent company, SteelFab, Inc., enhances their market presence, allowing them to leverage national resources while maintaining a focus on local client needs.


9. Marlin Steel Wire Products LLC


Marlin Steel Wire Products LLC, based in Baltimore, Maryland, is a manufacturer that specializes in custom wire products and metal fabrication. Established in 1968, the company has built a reputation for delivering high-quality, durable products tailored to meet the specific needs of its clients. Marlin Steel serves a variety of industries, including medical, automotive, aerospace, telecom, and food processing. Their offerings include wire baskets, wire forming, sheet metal fabrication, and various custom solutions designed to enhance operational efficiency and comply with regulatory standards. The company prides itself on its engineering capabilities, utilizing advanced automation and precision techniques to ensure product quality. Marlin Steel's commitment to safety and quality is reflected in its ISO certifications and recognition from OSHA for workplace safety achievements. With a focus on innovation and customer-centric solutions, Marlin Steel continues to be a significant player in the metal fabrication industry.


10. Michigan Manufacturing International

  • Website: michmfg.com
  • Ownership type: Private
  • Headquarters: Stevensville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 75%, Mexico 12%, China 12%
  • Founded year: 1991
  • Headcount: 51-200
  • LinkedIn: michigan-manufacturing-international

Michigan Manufacturing International (MMI), founded in 1991, is a private manufacturing company based in Stevensville, Maryland. The firm specializes in high-quality mechanical assemblies and components, catering primarily to original equipment manufacturers (OEMs) across various sectors, including automotive and oil and gas. MMI offers a comprehensive suite of services, including machining, casting, and inventory management, focusing on customized solutions tailored to meet the specific needs of their clients. With manufacturing facilities located in India, MMI operates on a global scale, ensuring a robust supply chain and timely delivery of products. The company is ISO 9001 certified, reflecting its commitment to maintaining high standards of quality management. MMI's extensive capabilities also include precision welding, metal stamping, and product finishing services, making it a significant player in the metal fabrication industry.


11. Fabpro Technologies Inc.

  • Website: fabprotech.com
  • Ownership type: Private
  • Headquarters: Halethorpe, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2006
  • Headcount: 11-50
  • LinkedIn: fabpro-technologies-inc-

Fabpro Technologies Inc., founded in 2006 and based in Halethorpe, Maryland, is a precision manufacturer that specializes in custom sheet metal fabrication and CNC milling. With a workforce of 11-50 employees, the company prides itself on delivering high-quality precision parts to critical industries, including defense, telecommunications, and cybersecurity. Their manufacturing capabilities include engineering, prototyping, bending, welding, machining, and finishing, all performed with a focus on precision and quality. Fabpro Technologies operates from a 50,000 square foot facility equipped with state-of-the-art machinery, ensuring they meet the stringent demands of their clients. The company emphasizes customer service and on-time delivery, aiming to improve the profit margins of their clients while building valuable relationships. They are certified in various processes and actively participate in Supplier Diversity programs, showcasing their commitment to quality and community engagement.


12. Ross Machine Shop

  • Website: rossmachine.com
  • Ownership type: Private
  • Headquarters: Belcamp, Maryland, United States (USA)
  • Employee distribution: Canada 68%, United States (USA) 32%
  • Founded year: 1986
  • Headcount: 11-50
  • LinkedIn: ross-machine-shop

Ross Machine Shop, founded in 1986 by Thomas Ross Sr., is a precision machining company based in Belcamp, Maryland. The company specializes in CNC machining and contract manufacturing, providing high-quality machined parts primarily for the defense, industrial, and manufacturing sectors. With a workforce of 11-50 employees, Ross Machine Shop operates with a strong emphasis on quality, as evidenced by their AS9100D and ISO 9001-2015 certifications. They offer both short and long production runs, along with prototyping capabilities, showcasing their adaptability to various project requirements. The company utilizes state-of-the-art equipment and has a commitment to maintaining high standards in their manufacturing processes. Their facilities are equipped with advanced CNC machines, enabling them to produce complex parts that meet stringent industry specifications.


13. Western Industrial Machining


Western Industrial Machining, Inc. is a privately-owned machine shop based in Hampstead, Maryland, with a satellite facility in Westminster. Founded in 1976, the company has built a reputation for providing precision machining and metal fabrication services. They serve a variety of clients, including industrial and governmental sectors, and offer a comprehensive suite of services such as CNC milling, turning, welding, and quality inspections. With over four decades of experience, Western Industrial Machining has developed expertise in producing high-quality components that meet specific customer requirements. The company is ISO 9001:2015 certified, ensuring adherence to rigorous quality standards. Their advanced machining equipment and skilled workforce enable them to handle projects of varying complexity, from simple parts to intricate assemblies. Western Industrial Machining is recognized for its commitment to quality and customer satisfaction, making it a reliable partner in the metal fabrication industry.


14. R & F Metals Inc.

  • Website: rfmetals.com
  • Ownership type: Private
  • Headquarters: Clinton, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1976
  • Headcount: 51-200
  • LinkedIn: r-%26-f-metals-inc-

R & F Metals Inc. is a private metal fabrication company based in Clinton, Maryland, founded in 1976. With a workforce of approximately 29 employees, the company specializes in ornamental railings, structural steel, and custom metalwork tailored for residential construction. R & F Metals serves a variety of clients, including builders, contractors, and homeowners, primarily in the Washington DC Metro area. Their operations are characterized by a commitment to exceptional service and value, which has been the foundation of their business since inception. The company prides itself on delivering high-quality products on time, which has helped them establish a strong reputation in the local market. R & F Metals also utilizes advanced design and layout software to enhance the efficiency and accuracy of their fabrication processes, ensuring that they meet the specific needs of their clients. Their focus on custom solutions and professional installation further solidifies their role in the metal fabrication industry.


15. Clark Machine Corporation

  • Website: clarkmachine.com
  • Ownership type: Private
  • Headquarters: Rosedale, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1943
  • Headcount: 11-50
  • LinkedIn: clark-machine-corp

Clark Machine Corporation, founded in 1943 and based in Rosedale, Maryland, is a private company specializing in machining and fabrication services. With a workforce of approximately 26 employees, the company focuses on steel fabrication, custom precision machining, and equipment repair. They cater to a range of industries, including construction and agriculture, providing solutions for manufacturing and maintaining heavy machinery. Clark Machine is recognized for its commitment to quality and reliability, as evidenced by its AISC and AWS certifications. The company has a history of handling significant projects, such as the repair and rebuilding of mill rolls and the fabrication of pedestrian canopies for airports. Their capabilities extend to working with both ferrous and non-ferrous metals, and they are equipped to manage components weighing up to 40 tons. Clark Machine's emphasis on customer service and problem-solving positions them as a relevant player in the metal fabrication sector.


16. Laurel Machine & Foundry

  • Website: lmfco.com
  • Ownership type: Private
  • Headquarters: Laurel, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1904
  • Headcount: 51-200
  • LinkedIn: laurel-machine-%26-foundry

Laurel Machine & Foundry Co. is a manufacturing firm based in Laurel, Mississippi, specializing in metal fabrication, machining, and foundry services. Founded in 1904, the company has evolved from its origins as a supplier of metal parts for wagon manufacturing to a comprehensive service provider for various industrial sectors. Their offerings include structural, sheet, and plate fabrication in materials such as carbon steel, stainless steel, and aluminum. They also manufacture and repair custom machinery and machine parts, alongside providing casting services in gray and ductile iron. With a workforce of approximately 38 employees, Laurel Machine & Foundry emphasizes craftsmanship and customer service, ensuring high-quality solutions tailored to their clients' needs. The company operates without reported funding, relying on its established reputation and operational capabilities to serve its customer base effectively.


17. Titan Steel Corporation

  • Website: titansteel.com
  • Ownership type: Corporate
  • Headquarters: Baltimore, Maryland, United States (USA)
  • Employee distribution: United States (USA) 92%, Spain 8%
  • Latest funding: November 2001
  • Founded year: 1946
  • Headcount: 51-200
  • LinkedIn: titan-steel-corporation

Titan Steel Corporation, established in 1946, operates as a steel distributor with a specialization in tinmill and flat rolled products. The company is headquartered in Baltimore, Maryland, and has a workforce of approximately 60 employees. Titan Steel serves a variety of industries by providing efficient sourcing, processing, and logistics services. Their product offerings include tinplate, galvanized steel, aluminum, and specialty metallic coated products, sourced from leading mills across North America, South America, Europe, and Asia. With a processing capacity of over 125,000 tons of flat rolled products annually, Titan Steel is equipped to meet the specific needs of its customers. The company prides itself on its commitment to quality, ensuring that every product meets stringent specifications. As a third-generation family-owned business, Titan Steel emphasizes long-term relationships with its customers and suppliers, aiming to deliver tailored solutions that enhance supply chain efficiency.


18. TEC Incorporated


TEC Incorporated, based in Frederick, Maryland, has been a player in the manufacturing sector since its inception in 1966. The company specializes in precision sheet metal fabrication and machining, offering a range of services that include CNC machining, prototype development, and various metal finishing processes. With a workforce of skilled technicians, TEC is equipped to handle complex machining requirements using modern CNC Mills, Lathes, and Swiss Turning machines. Their facilities boast advanced equipment, enabling them to meet the demands of various industries. TEC's commitment to quality is evident in their ISO 9001:2015 certification, ensuring that they adhere to high standards in their manufacturing processes. As a Veteran-Owned business, TEC also brings a unique perspective to their operations, emphasizing reliability and excellence in service delivery.


19. Adjsheetmetal

  • Website: adjsheetmetal.com
  • Ownership type: Private
  • Headquarters: White Plains, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2002
  • Headcount: 1-10
  • LinkedIn: adjsheetmetal

ADJ Sheet Metal, based in White Plains, Maryland, is a custom sheet metal fabrication and construction services provider. Established in 2002, the company has built a strong reputation for delivering high-quality fabrication and installation services tailored to the needs of its clients. With a workforce of over 250 industry veterans, ADJ specializes in custom sheet metal solutions across various sectors, including federal and government buildings, colleges, and private construction projects. Their facilities span over 100,000 square feet, equipped with advanced technology for precision fabrication. ADJ Sheet Metal is committed to providing reliable service and quality products, ensuring that projects are completed on time and within budget. Their expertise in BIM coordination and custom electrical enclosures further enhances their service offerings, making them a comprehensive solution for construction needs.


20. Ridge Engineering, Inc.

  • Website: ridgeeng.com
  • Ownership type: Private
  • Headquarters: Hampstead, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1967
  • Headcount: 51-200
  • LinkedIn: ridge-engineering-inc-

Ridge Engineering, Inc. is a private manufacturing company based in Hampstead, Maryland, established in 1967. The firm specializes in precision machining and fabrication services, focusing on aluminum brazing, CNC turning, and milling. Primarily serving the aerospace and military sectors, Ridge Engineering is committed to delivering high-quality components that adhere to strict industry standards. The company operates from an 84,674 square foot facility, equipped with state-of-the-art technology to meet the evolving needs of its clients. Ridge Engineering is a veteran-owned small business and holds an ISO 9001 certification, underscoring its commitment to quality and excellence in manufacturing. Their portfolio includes a variety of projects, such as the fabrication of aluminum housings and heat sinks, showcasing their capabilities in both low and high-volume production.


21. NRL & Associates, Inc.

  • Website: nrlassoc.com
  • Ownership type: Private
  • Headquarters: Stevensville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1986
  • Headcount: 51-200
  • LinkedIn: nrl-%26-associates-inc-

NRL & Associates, Inc., founded in 1986, is a manufacturing company based in Stevensville, Maryland. The firm specializes in ultra-precision machining, fabrication, and assembly services, catering primarily to the healthcare, defense, and aerospace industries. With a workforce of approximately 29 employees, NRL operates from a state-of-the-art facility that spans 55,000 square feet, housing advanced CNC machines and fabrication equipment. The company prides itself on its ability to produce high-quality components that adhere to strict specifications. NRL has made substantial investments in technology, including five-axis mills and automated fabrication tools, which enable them to deliver quick prototypes and complex assemblies. Their commitment to quality is underscored by their ISO 9001:2015 certification and various industry awards, including recognition as a top strategic supplier by GE Medical. NRL's focus on customer satisfaction and continuous improvement further solidifies its position in the metal fabrication industry.


22. Miscellaneous Metals, Inc


Miscellaneous Metals, Inc. is a privately owned steel manufacturer and construction service provider based in Walkersville, Maryland. Founded in 1977, the company specializes in the custom fabrication of steel products tailored for the commercial building construction industry. Their product range includes essential components such as stairs, railings, light structural elements, gates, ladders, and supports, as well as architectural and ornamental metal work. Serving a clientele that includes general contractors and developers, Miscellaneous Metals is known for its project management and erection services, ensuring that projects are completed efficiently and to specification. The company operates with a strong emphasis on quality and safety, maintaining a stable workforce and in-house drafting capabilities to meet the complex demands of construction projects. Their strategic location allows them to serve the Mid-Atlantic region effectively, and they also ship products nationally and internationally. With a history of participation in high-profile projects, Miscellaneous Metals has established itself as a reliable partner in the construction industry.


23. Sessa Sheet Metal Contractors


Sessa Sheet Metal Contractors, based in Baltimore, Maryland, is a private sheet metal contractor that has been operational since 1980. The company specializes in HVAC services, focusing on the fabrication and installation of ductwork. They also provide budget estimating and design/build contracts, catering primarily to businesses in the construction and building services sectors. Sessa Sheet Metal operates a comprehensive fabrication facility equipped with advanced machinery, including a six-station coil line and plasma machines, allowing them to produce a wide range of metal products efficiently. With a workforce of approximately 31 employees, the company emphasizes strong relationships with clients and a commitment to quality service. Their financial metrics, including a bonding capacity of $30 million, reflect a robust operational capability. Sessa Sheet Metal is also affiliated with TNT Manufacturing, which further enhances their manufacturing capabilities in the metal fabrication industry.


24. Kogok Corporation

  • Website: kogok.com
  • Ownership type: Private
  • Headquarters: Upper Marlboro, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1995
  • Headcount: 201-500
  • LinkedIn: kogok-corp

Kogok Corporation, founded in 1995 and based in Upper Marlboro, Maryland, is a private construction firm that specializes in the manufacturing and installation of HVAC sheet metal ductwork. With a workforce of approximately 201-500 employees, the company serves contractors and businesses primarily in the commercial construction sector. Kogok Corporation prides itself on delivering high-quality solutions, emphasizing safety and craftsmanship in all its operations. Over the years, they have completed significant projects, including work for notable clients such as the Department of Transportation Headquarters in Washington and the MGM Casino in Maryland. Their project portfolio reflects a strong commitment to customer satisfaction and performance, making them a reliable partner in the construction industry.


25. Cardinal Scientific Inc


Cardinal Scientific Inc, established in 1987, operates out of Waldorf, Maryland, and specializes in engineering and manufacturing services. The company provides innovative design and fabrication solutions, particularly in waterjet cutting and CNC machining. They cater primarily to military and private sector clients, emphasizing rapid turnaround and high-quality production. Cardinal Scientific's capabilities include taking designs from concept to finished product, utilizing advanced CAD, FEA, and CFD technologies. Their product offerings include specialized items such as modular racks, pulpit ladders, and EMI shielding storage solutions. The company has a strong commitment to understanding cutting-edge technologies, which enhances their ability to deliver effective solutions to both domestic and international markets.



Metal Fabrication Insights: Key Companies in Maryland


CompanyHeadquarterSizeFoundedOwnership
Kaempf & Harris Sheet MetalFrederick, Maryland, United States (USA)51-2001937Private
B&b Welding Company, INC.Edgemere, Maryland, United States (USA)11-501964Private
Ackerman & Baynes LLC.Baltimore, Maryland, United States (USA)11-501945Private
AIW, Inc./ American Iron WorksHyattsville, Maryland, United States (USA)201-5001948Private
Netzer Metalworks, LLCEssex, Maryland, United States (USA)11-501970Private
Harford Systems IncAberdeen, Maryland, United States (USA)1-101975Private Equity
Stromberg Metal WorksBeltsville, Maryland, United States (USA)201-5001940Private
Baltimore Fabrication, A Division of SteelFabBaltimore, Maryland, United States (USA)51-2002014Private
Marlin Steel Wire Products LLCBaltimore, Maryland, United States (USA)51-2001968Private
Michigan Manufacturing InternationalStevensville, Maryland, United States (USA)51-2001991Private
Fabpro Technologies Inc.Halethorpe, Maryland, United States (USA)11-502006Private
Ross Machine ShopBelcamp, Maryland, United States (USA)11-501986Private
Western Industrial MachiningWestminster, Maryland, United States (USA)11-501976Private
R & F Metals Inc.Clinton, Maryland, United States (USA)51-2001976Private
Clark Machine CorporationRosedale, Maryland, United States (USA)11-501943Private
Laurel Machine & FoundryLaurel, Maryland, United States (USA)51-2001904Private
Titan Steel CorporationBaltimore, Maryland, United States (USA)51-2001946Corporate
TEC IncorporatedFrederick, Maryland, United States (USA)11-501966Private
AdjsheetmetalWhite Plains, Maryland, United States (USA)1-102002Private
Ridge Engineering, Inc.Hampstead, Maryland, United States (USA)51-2001967Private
NRL & Associates, Inc.Stevensville, Maryland, United States (USA)51-2001986Private
Miscellaneous Metals, IncWalkersville, Maryland, United States (USA)51-2001977Private
Sessa Sheet Metal ContractorsBaltimore, Maryland, United States (USA)11-501980Private
Kogok CorporationUpper Marlboro, Maryland, United States (USA)201-5001995Private
Cardinal Scientific IncWaldorf, Maryland, United States (USA)11-501987Private


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