Industrial construction in Maryland centers on the development of vital infrastructure and facilities. Companies in this sector range from large construction management firms to specialized contractors who focus on specific industrial applications such as manufacturing, energy, and utility services. They offer services that include project management, design-build solutions, and self-performing construction work. The industry is increasingly moving towards sustainable practices and innovations in technology, positioning itself to meet the demands of modern infrastructure needs. As the focus shifts to greener projects, these firms are evolving to utilize advanced materials and methodologies, ensuring durability and efficiency.


This listing showcases 19 industrial construction companies based in Maryland, varying in size from small teams to firms with thousands of employees. These companies were founded between 1904 and 2018, demonstrating a mix of long-standing experience and recent developments. Their specializations include heavy civil construction, mechanical contracting, and integrated facility management. Each company presents distinct capabilities, reflecting a robust regional presence in the industrial construction space, with highly skilled teams delivering a variety of innovative projects spanning different sectors.


Continue reading to discover the top industrial construction companies in Maryland.


Top 19 Industrial Construction Companies in Maryland


1. Structural Group


Structural Group, Inc. is a private construction firm based in Columbia, Maryland, founded in 1976. The company operates through its subsidiaries, STRUCTURAL, PULLMAN, and STRUCTURAL TECHNOLOGIES, which have roots dating back to 1902. Structural Group focuses on providing comprehensive solutions for infrastructure repair and maintenance, catering to infrastructure owners, general contractors, and various market sectors including commercial, public, industrial, power, and transportation. Their services integrate technology and engineering with construction, allowing them to address complex infrastructure challenges effectively. The company is committed to enhancing the durability and strength of both new and existing structures, utilizing proprietary products and specialized engineering support. With a workforce of over 400 employees, Structural Group continues to play a significant role in the construction industry, particularly in infrastructure maintenance and repair.


2. Corman Kokosing Construction Company


Corman Kokosing Construction Company, based in Annapolis Junction, Maryland, is a family-owned construction firm that specializes in a variety of services, including heavy civil construction, industrial manufacturing, and water resources management. Established in 2018, the company has quickly made its mark by serving both public and private sector clients. Their expertise spans critical infrastructure projects, such as bridges, treatment plants, and marine installations. Corman Kokosing is dedicated to providing innovative solutions and maintaining high standards of safety and quality. The company also emphasizes community involvement and environmental governance, reflecting a commitment to responsible construction practices. With a workforce of 201-500 employees, they are well-equipped to handle complex projects across the United States, particularly in the Midwest and Mid-Atlantic regions.


3. Beitzel Corporation

  • Website: beitzelcorp.com
  • Ownership type: Private
  • Headquarters: Grantsville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1974
  • Headcount: 201-500
  • LinkedIn: beitzel-corporation

Beitzel Corporation, established in 1974, is an industrial contractor based in Grantsville, Maryland. The company specializes in a range of services including construction, electrical work, excavation, and fabrication. With a workforce of approximately 176 employees, Beitzel has developed a strong presence in various sectors, notably oil and natural gas, solar energy, mining, and municipal projects. Their operational capabilities extend across several states, allowing them to effectively manage complex projects while maintaining a focus on safety and customer satisfaction. Beitzel's commitment to quality is reflected in their safety record, which includes multiple years without lost time accidents. The company operates a 62,000 square foot fabrication shop, equipped with advanced technology to support their machining and fabrication needs. This combination of experience, technical expertise, and a customer-centric approach positions Beitzel Corporation as a significant player in the industrial construction industry.


4. Corman Construction

  • Website: cormanconstruction.com
  • Ownership type: Family Owned
  • Headquarters: Annapolis Junction, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1920
  • Headcount: 501-1000
  • LinkedIn: corman-construction-inc

Corman Construction, based in Annapolis Junction, Maryland, is a family-owned construction firm with a rich history dating back to 1920. The company specializes in a variety of construction services, particularly in heavy civil construction and industrial manufacturing. Corman Construction has built a reputation for delivering engineering solutions that cater to both public and private sector clients. Their portfolio includes significant infrastructure projects such as highways, bridges, and water treatment facilities, highlighting their expertise in managing complex industrial construction tasks. The firm emphasizes quality, safety, and efficiency in its operations, which are critical factors in the construction industry. With a workforce size ranging from 501 to 1000 employees, Corman Construction is well-equipped to handle large-scale projects and maintain a strong presence in the market.


5. The Whiting-Turner Contracting Company


The Whiting-Turner Contracting Company, based in Towson, Maryland, is a private construction firm that has been active since 1909. With a workforce of nearly 5,000 employees, the company specializes in construction management, general contracting, and design-build services. They cater to a wide array of sectors, including healthcare, education, and industrial projects, showcasing their ability to manage and execute complex construction tasks. Whiting-Turner is known for its commitment to quality and safety, striving to exceed client expectations through innovative practices and a strong emphasis on community involvement. Their extensive portfolio includes notable projects across the United States, reflecting their operational reach and expertise in various construction markets.


6. Miller & Long Co., Inc

  • Website: millerandlong.com
  • Ownership type: Private
  • Headquarters: Bethesda, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1947
  • Headcount: 1001-5000
  • LinkedIn: miller-%26-long-co--inc-

Miller & Long Co., Inc. is a private construction firm based in Bethesda, Maryland, specializing in structural concrete services. Founded in 1947, the company has grown from its humble beginnings of pouring concrete for driveways and sidewalks to becoming a prominent player in the concrete construction industry. With a workforce of approximately 242 employees, Miller & Long offers a comprehensive range of services, including preconstruction, formwork installation, concrete finishing, and more. They serve a variety of clients, including general contractors and commercial real estate developers, primarily in the Mid-Atlantic region. The company has successfully completed over $8 billion in projects, pouring more than 20 million cubic yards of concrete since its inception. Their commitment to safety, community involvement, and workforce development, including an accredited apprenticeship program, further underscores their role in the construction industry. Miller & Long's focus on innovation, such as sustainable concrete practices and advanced modeling techniques, positions them as a forward-thinking partner in construction.


7. Chesapeake Contracting Group

  • Website: ccgmd.com
  • Ownership type: Private
  • Headquarters: Owings Mills, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1979
  • Headcount: 51-200
  • LinkedIn: chesapeake-contracting-group

Chesapeake Contracting Group, based in Owings Mills, Maryland, is a private construction firm established in 1979. With a workforce of approximately 138 employees, the company specializes in various sectors, including automotive, healthcare, education, and notably, industrial construction. They offer a full suite of construction services, from pre-construction planning to project management, ensuring that projects are executed with precision and efficiency. Chesapeake has built a reputation for delivering high-quality projects that meet client specifications while maintaining a strong focus on safety. Their industrial projects are designed to enhance productivity and support logistics, showcasing their expertise in creating facilities that cater to complex operational needs. The company has received recognition for its commitment to quality and safety, further solidifying its position in the construction industry.


8. Glen Arm Building Co

  • Website: glenarmbuilding.com
  • Ownership type: Private
  • Headquarters: Towson, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1974
  • Headcount: 11-50
  • LinkedIn: glen-arm-building-co

Glen Arm Building Company, founded in 1974, is a private construction firm based in Towson, Maryland. The company specializes in commercial, industrial, multi-family housing, and interior construction services. With a dedicated team of 11 to 50 employees, Glen Arm has built a reputation for delivering high-quality projects that meet the specific needs of local and national developers. Their industrial construction services focus on creating functional and resilient facilities, ensuring that each project aligns with industry standards and client expectations. Glen Arm has successfully completed projects for notable clients, including Black and Decker and Proctor & Gamble, which highlights their capability and experience in the industrial sector. The company emphasizes safety and efficiency in its operations, further solidifying its standing in the construction industry.


9. Manekin Construction, LLC


Manekin Construction, LLC, based in Columbia, Maryland, has been a significant player in the construction industry since its inception in 1976. With a workforce of 29 employees, the company specializes in a wide array of construction services across multiple sectors, including corporate, educational, medical, and notably, industrial facilities. Their industrial construction services cater to sectors such as automotive, manufacturing, and chemical industries, emphasizing their capability to handle complex projects. Manekin Construction prides itself on delivering high-quality projects on time and within budget, which has fostered strong relationships with clients, leading to a high percentage of repeat business. The firm is also recognized for its commitment to safety and sustainability, with a focus on green building practices and LEED certification. Their extensive experience and operational model are centered around client satisfaction, making them a noteworthy entity in the industrial construction space.


10. W. M. Schlosser Co. Inc.

  • Website: wmschlosser.com
  • Ownership type: Private
  • Headquarters: Hyattsville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1962
  • Headcount: 51-200
  • LinkedIn: wmschlosser

W. M. Schlosser Co. Inc., based in Hyattsville, Maryland, has been a significant player in the construction industry since its establishment in 1962. The company specializes in both renovation and new construction projects, primarily serving governmental agencies at various levels. Their portfolio includes a wide range of projects such as hospitals, laboratories, schools, and wastewater treatment facilities, showcasing their capability to handle complex and large-scale construction tasks. With a workforce of approximately 88 employees, W. M. Schlosser emphasizes quality control, safety management, and project management, ensuring that projects are completed on time and within budget. Their proactive approach to safety and commitment to employee development contribute to their reputation in the industry. The company operates mainly in the Mid-Atlantic region, focusing on delivering high-quality construction solutions tailored to the needs of their clients.


11. IMEC Group

  • Website: imecgroupllc.com
  • Ownership type: Private
  • Headquarters: Columbia, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2008
  • Headcount: 11-50
  • LinkedIn: imec-group-llc

IMEC Group, LLC, founded in 2008 and based in Columbia, Maryland, is a private construction engineering firm that specializes in integrated construction and facility management services. With a workforce of 11-50 employees, IMEC Group serves clients across federal, state, municipal, commercial, and residential markets. The firm is recognized for its project management and design/build solutions, emphasizing high-quality results and value through disciplined execution and innovative practices. IMEC Group holds several certifications, including SBA 8(a) and various state contracting licenses, which enhance its credibility in the industry. Their project portfolio includes significant work in government, healthcare, and educational sectors, showcasing their ability to manage complex construction projects effectively. IMEC Group is committed to creating value for its clients while maintaining a strong focus on community involvement and ethical business practices.


12. Mullan Contracting Company


Mullan Contracting Company, established in 1904, is a private construction firm based in Timonium, Maryland. The company specializes in construction management and general contracting services, primarily serving clients in the Mid-Atlantic region. Mullan Contracting has built a solid reputation by managing complex construction projects for a variety of sectors, including education, retail, medical, and municipalities. Their portfolio showcases a range of completed projects, including significant industrial facilities, which highlights their expertise in this area. The company emphasizes sustainability in its operations, offering services that meet LEED certification standards and focusing on environmentally conscious practices. Mullan Contracting is committed to delivering high-quality outcomes while minimizing disruptions during construction, ensuring a positive experience for clients throughout the project lifecycle. They have received multiple awards for their work, reflecting their dedication to excellence in the construction industry.


13. Coakley & Williams Construction (CWC)


Coakley & Williams Construction (CWC) is a private construction firm based in Bethesda, Maryland, established in 1961. The company specializes in general contracting services and has built a reputation for delivering a wide range of facilities, including educational institutions, community projects, and industrial facilities. CWC's industrial construction projects highlight their proficiency in creating advanced manufacturing, distribution, and storage spaces. They are known for their expertise in long span structures and super flat floors, which are critical in the industrial sector. CWC operates primarily in the Washington, D.C., Maryland, and Virginia areas, serving clients that include educational organizations and municipalities. Their approach emphasizes strong communication and collaboration, ensuring that projects meet client expectations while adhering to high standards of safety and sustainability.


14. Cw Electric

  • Website: cwelectricinc.com
  • Ownership type: Private
  • Headquarters: Centreville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1985
  • Headcount: 11-50
  • LinkedIn: cw-electric

Cw Electric, also known as CW Services, is an engineering and construction company based in Centreville, Maryland. Founded in 1985, the firm has built a solid reputation for providing a wide range of services tailored to industrial clients, particularly in the mining and power generation sectors. Their offerings include electrical services, construction, project management, automation, and heavy equipment repair. With a workforce of approximately 31 employees, Cw Electric prides itself on its ability to tackle complex engineering and construction challenges. The company is MSHA and OSHA qualified, ensuring compliance with safety standards in their operations. Cw Electric has successfully executed projects across the United States, demonstrating their capability to manage both small and large-scale initiatives. Their commitment to quality and customer satisfaction has fostered long-term relationships with clients, making them a reliable partner in the industrial construction space.


15. AB Construction, Inc.

  • Website: abconstructioninc.com
  • Ownership type: Private
  • Headquarters: Laurel, Maryland, United States (USA)
  • Employee distribution: United States (USA) 60%, India 30%, Switzerland 10%
  • Founded year: 2002
  • Headcount: 51-200
  • LinkedIn: ab-construction-inc-

AB Construction, Inc. (ABCI), founded in 2002 and based in Laurel, Maryland, is a private construction company that specializes in a wide array of services. These include general contracting, construction management, and design-build solutions. ABCI has built a reputation for delivering quality work on schedule, focusing on mission-critical projects for both public and private sector clients. Their expertise spans civil construction, heavy highway projects, and environmental services, with a notable emphasis on self-performing nearly 90% of their civil construction work. The company has successfully managed projects for various federal and state agencies, including the U.S. Army and the City of Baltimore, showcasing their capability to handle complex and demanding projects. ABCI's commitment to safety is evident in their outstanding safety record, consistently maintaining an EMR below 1.0. They also prioritize environmental responsibility, integrating green building practices into their operations. With a workforce of 51-200 employees, ABCI continues to grow and adapt to the needs of the construction industry.


16. Riparius Construction

  • Website: riparius.com
  • Ownership type: Private
  • Headquarters: Cockeysville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1987
  • Headcount: 11-50
  • LinkedIn: riparius-construction-inc-

Riparius Construction, founded in 1987 by Michael McCarthy, is a private construction firm based in Cockeysville, Maryland. The company specializes in managing commercial construction projects, with a notable emphasis on industrial facilities, biotechnology, educational institutions, and retail spaces. With a workforce of 24 employees, Riparius has successfully executed projects with contract values reaching up to $150 million. Their services span the entire construction process, from pre-construction planning to project management, ensuring high-quality outcomes for their clients. The firm has built a reputation for integrity and collaboration, often working with repeat clients across various sectors. Their project portfolio includes significant renovations and new constructions, showcasing their adaptability and expertise in the industrial construction market.


17. Green Contracting Company

  • Website: greencontracting.com
  • Ownership type: Private
  • Headquarters: Baltimore, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1959
  • Headcount: 51-200
  • LinkedIn: green-contracting

Green Contracting Company, Inc. is a private, employee-owned contractor based in Baltimore, Maryland, with a history dating back to 1959. The company specializes in heavy industrial and mechanical construction services, including boiler installations, structural steel erection, and utility piping. Over the years, Green Contracting has expanded its capabilities to cover all phases of industrial construction, ensuring they meet the evolving needs of their clients. Their clientele ranges from small private manufacturers to large public corporations, including several departments of the United States Government. The company emphasizes safety and quality in all its projects, supported by a robust safety program and a commitment to continuous improvement. Green Contracting's financial stability allows them to undertake projects of varying magnitudes, ensuring reliable performance and fulfillment of contractual obligations. Their certifications, including ASME and National Board of Boiler and Pressure Vessel Inspectors, further validate their expertise in the industry.


18. Shapiro & Duncan, Inc

  • Website: shapiroandduncan.com
  • Ownership type: Family Owned
  • Headquarters: Rockville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1976
  • Headcount: 201-500
  • LinkedIn: shapiro-%26-duncan-inc

Shapiro & Duncan, Inc., founded in 1976 and based in Rockville, Maryland, is a family-owned mechanical contractor that specializes in engineering and construction solutions, particularly in HVAC services. The company serves a variety of clients, including commercial, government, and institutional sectors, providing a full spectrum of services from pre-construction to maintenance. With a workforce of approximately 243 employees, Shapiro & Duncan has built a solid reputation in the Washington, D.C. market, focusing on delivering high-quality mechanical solutions. Their portfolio includes projects in healthcare, education, and mission-critical facilities, showcasing their capability to handle complex and demanding projects. The company emphasizes innovation and sustainability in its operations, ensuring that they meet the evolving needs of their clients while maintaining a commitment to safety and quality.


19. Doyle Construction Company

  • Website: doyleconco.com
  • Ownership type: Private
  • Headquarters: Rockville, Maryland, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2008
  • Headcount: 51-200
  • LinkedIn: doyle-construction-company

Doyle Construction Company, based in Rockville, Maryland, is a private construction firm founded in 2008. With a workforce of approximately 110 employees, the company specializes in preconstruction services, design/build solutions, and project management. They serve clients across multiple sectors, including automotive, education, grocery, industrial, public, retail, and self-storage. Notably, Doyle Construction has made significant strides in the industrial sector, demonstrating their capability to manage complex projects effectively. Their approach emphasizes high-quality project delivery, proactive management, and a commitment to client satisfaction. The company has built a reputation for working closely with clients to ensure that their expectations are not only met but exceeded. This focus on quality and client relationships positions Doyle Construction as a relevant player in the industrial construction industry.



Industrial Construction Insights: Key Companies in Maryland


CompanyHeadquarterSizeFoundedOwnership
Structural GroupColumbia, Maryland, United States (USA)1001-50001976Private
Corman Kokosing Construction CompanyAnnapolis Junction, Maryland, United States (USA)201-5002018Family Owned
Beitzel CorporationGrantsville, Maryland, United States (USA)201-5001974Private
Corman ConstructionAnnapolis Junction, Maryland, United States (USA)501-10001920Family Owned
The Whiting-Turner Contracting CompanyTowson, Maryland, United States (USA)1001-50001909Private
Miller & Long Co., IncBethesda, Maryland, United States (USA)1001-50001947Private
Chesapeake Contracting GroupOwings Mills, Maryland, United States (USA)51-2001979Private
Glen Arm Building CoTowson, Maryland, United States (USA)11-501974Private
Manekin Construction, LLCColumbia, Maryland, United States (USA)11-501976Private
W. M. Schlosser Co. Inc.Hyattsville, Maryland, United States (USA)51-2001962Private
IMEC GroupColumbia, Maryland, United States (USA)11-502008Private
Mullan Contracting CompanyTimonium, Maryland, United States (USA)11-501904Private
Coakley & Williams Construction (CWC)Bethesda, Maryland, United States (USA)51-2001961Private
Cw ElectricCentreville, Maryland, United States (USA)11-501985Private
AB Construction, Inc.Laurel, Maryland, United States (USA)51-2002002Private
Riparius ConstructionCockeysville, Maryland, United States (USA)11-501987Private
Green Contracting CompanyBaltimore, Maryland, United States (USA)51-2001959Private
Shapiro & Duncan, IncRockville, Maryland, United States (USA)201-5001976Family Owned
Doyle Construction CompanyRockville, Maryland, United States (USA)51-2002008Private


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