Engineering consulting companies in Maryland play a vital role in shaping infrastructure, environmental management, and project execution. These firms provide services ranging from civil engineering to specialized environmental solutions, adapting to the evolving needs of both the public and private sectors. The industry is increasingly focusing on sustainable practices, reflecting a global shift towards eco-consciousness in engineering projects. Technological advancements, such as smart infrastructure, are pushing these companies toward innovation, enhancing their ability to tackle complex challenges and improve project outcomes. Consequently, the sector is poised for impactful growth in the coming years as it responds to changing client demands and regulatory frameworks.

The list features 23 companies, varying in size from small firms to large partnerships, headquartered mostly in Maryland's urban areas like Baltimore and Rockville. Established teams offer specialized services in areas such as environmental engineering, construction management, and civil/site engineering. Many firms were founded between the 1970s and 2000s, capturing decades of industry experience. This listing highlights companies with robust client portfolios that serve government agencies, private businesses, and other sectors, demonstrating their significant role in regional development and community improvement initiatives.

Continue reading to discover Maryland's top engineering consulting firms.

Top 23 Engineering Consulting Companies Companies in Maryland

1. Kci

• Website: kci.com
• Ownership type: Private
• Headquarters: Sparks, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1955
• Headcount: 1001-5000
• LinkedIn: kci-technologies-inc-

KCI Technologies, founded in 1955 and based in Sparks, Maryland, is a private engineering and consulting firm with a workforce of over 2,500 employees. The company specializes in a wide array of services, including construction management, environmental engineering, and technology solutions. KCI serves a variety of clients, including government agencies and private sector companies, with a strong emphasis on infrastructure development and sustainability. Their projects span multiple industries, ensuring compliance with regulations and enhancing public safety. KCI is recognized for its innovative approaches in transportation and environmental engineering, and it actively engages in projects that address contemporary infrastructure challenges. The firm operates across 18 states in the U.S., showcasing its extensive reach and capability to handle both large and small-scale projects.

2. Apex Companies, LLC

• Website: apexcos.com
• Ownership type: Venture Capital
• Headquarters: Rockville, Maryland, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Latest funding: February 2023
• Founded year: 1988
• Headcount: 1001-5000
• LinkedIn: apex-companies-llc

Apex Companies, LLC, founded in 1988 and based in Rockville, Maryland, is a consulting and engineering firm that focuses on environmental solutions, water management, and infrastructure services. With a workforce of approximately 1,349 employees, Apex provides expert guidance on regulatory compliance and project management to a wide range of clients, including public agencies and private businesses. The firm emphasizes sustainability and community involvement, reflecting a commitment to responsible practices in their operations. Apex has expanded its capabilities through strategic acquisitions, such as Johnson Engineering and PBS Engineering and Environmental, enhancing their expertise in civil engineering and environmental consulting. Their services cover various sectors, including energy, healthcare, and transportation, making them a versatile player in the engineering consulting industry.

3. AMT Engineering

• Website: amtengineering.com
• Ownership type: Corporate
• Headquarters: Rockville, Maryland, United States (USA)
• Employee distribution: United States (USA) 99%
• Latest funding: February 2022
• Founded year: 1955
• Headcount: 501-1000
• LinkedIn: amt-engineering

A. Morton Thomas and Associates, Inc. (AMT Engineering) is an employee-owned engineering consultancy based in Rockville, Maryland. Established in 1955, AMT has grown into a multidisciplinary firm with over 20 offices across nine states and Washington, D.C. The company specializes in civil engineering, surveying, environmental services, and construction management, catering to both government agencies and private developers. AMT is known for its commitment to sustainable practices and innovative solutions, which are evident in their diverse project portfolio. Their work includes significant infrastructure projects, such as transportation improvements and environmental restoration efforts. AMT's focus on quality and client satisfaction has earned them recognition in the industry, including awards for their projects and workplace culture. With a dedicated team of professionals, AMT Engineering continues to impact the communities they serve positively.

4. WBCM, A Division of TranSystems

• Website: wbcm.com
• Ownership type: Corporate
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: June 2023
• Founded year: 1977
• Headcount: 51-200
• LinkedIn: whitney-bailey-cox-%26-magnani

WBCM, a Division of TranSystems, is an engineering consulting firm based in Baltimore, Maryland, specializing in infrastructure services. Established in 1977, the company has built a reputation for delivering comprehensive solutions in areas such as architecture, bridge design, environmental consulting, and highway design. Their clientele spans both government entities and private organizations, reflecting their capability to handle a variety of projects. WBCM's team of professionals is dedicated to providing expert guidance in infrastructure development and management. The firm recently merged with Gannett Fleming, resulting in a combined workforce of over 5,000 employees and a revenue of approximately $1.3 billion. This merger enhances their service offerings and positions them as a significant player in the engineering consulting industry. WBCM's commitment to quality and innovation in infrastructure projects underscores their role in shaping the built environment.

5. Whitman, Requardt and Associates, LLP

• Website: wrallp.com
• Ownership type: Private
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1915
• Headcount: 501-1000
• LinkedIn: whitman-requardt-and-associates-llp

Whitman, Requardt and Associates, LLP (WRA) is a prominent engineering and architectural firm based in Baltimore, Maryland. Founded in 1915, the company has built a strong reputation for delivering high-quality, cost-effective, and innovative infrastructure and building projects. WRA specializes in a variety of services, including construction management, environmental solutions, and civil engineering. They serve both government agencies and private businesses, focusing on projects that enhance community quality of life. Their work spans multiple sectors, including transportation, water/wastewater management, and environmental design. WRA has been recognized with numerous awards for their projects, reflecting their commitment to excellence and sustainability in engineering. The firm operates across the United States, with a workforce of over 700 employees dedicated to fostering long-term partnerships with clients and delivering impactful solutions.

6. KCW Engineering Technologies

• Website: kcw-et.com
• Ownership type: Private
• Headquarters: Glen Burnie, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 51-200
• LinkedIn: kcw-engineering-technologies

KCW Engineering Technologies, Inc. is a consulting firm based in Glen Burnie, Maryland, specializing in civil engineering, land surveying, and planning services. Founded in 1979, the company has built a solid reputation over the past four decades, serving a variety of clients, including private developers and public sector organizations. KCW is known for its expertise in guiding clients through complex regulatory processes, ensuring that projects meet necessary compliance standards. The firm offers a wide array of services, including civil engineering, land surveying, land planning, electrical engineering, and telecommunications engineering. With a team of over 60 professionals, including registered land surveyors and experienced engineers, KCW is equipped to handle projects of varying scales and complexities. Their commitment to employee development and client satisfaction is reflected in their operational philosophy, which emphasizes responsiveness and flexibility. KCW has successfully completed numerous projects across Maryland, Washington D.C., and surrounding states, demonstrating their capability to manage diverse engineering challenges.

7. EBL Engineers, LLC

• Website: eblengineers.com
• Ownership type: Private
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1972
• Headcount: 11-50
• LinkedIn: ebl-engineers-llc

EBL Engineers, LLC is an engineering consulting firm based in Baltimore, Maryland, founded in 1972. With a team of approximately 33 employees, the firm specializes in mechanical, electrical, and fire protection engineering services. They provide a range of consulting services, including design, code compliance, and facilities management, catering to various sectors such as commercial, healthcare, education, and industrial. EBL Engineers has built a reputation for delivering expert consulting services for over five decades, focusing on engineering design and code consulting for systems in all types of buildings. Their commitment to energy conservation and facilities management further highlights their involvement in contemporary engineering challenges. The firm operates entirely within the United States, ensuring a localized approach to their projects and client needs.

8. Patuxent Engineering Group

• Website: patuxentengineering.com
• Ownership type: Private
• Headquarters: Elkridge, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2005
• Headcount: 11-50
• LinkedIn: patuxent-engineering-group

Patuxent Engineering Group, LLC is an engineering consultancy based in Elkridge, Maryland, with a focus on providing expert contractor services and construction engineering solutions. Established in 2005 by John O'Connor and a team of professional engineers, the firm has built a reputation for addressing complex engineering challenges across various sectors. Their service offerings include construction engineering, inspection and testing, and energy consulting, with a particular emphasis on wind, solar, and natural gas projects. Patuxent serves a mix of federal and state governments, as well as private industries, showcasing their ability to navigate both public and private sector demands. The company has expanded its reach with a second office in New Jersey, allowing them to better serve the New York metro area. Their commitment to safety and compliance in construction processes is evident in their work with high-risk projects, such as those involving cranes and hoists. Patuxent Engineering Group continues to adapt to industry trends, particularly in the energy sector, making them a relevant player in the engineering consulting field.

9. EBA Engineering, Inc.

• Website: ebaengineering.com
• Ownership type: Private
• Headquarters: Laurel, Maryland, United States (USA)
• Employee distribution: United States (USA) 96%, Other 4%
• Founded year: 1981
• Headcount: 201-500
• LinkedIn: eba-engineering

EBA Engineering, Inc. is an engineering and construction management firm based in Laurel, Maryland, with a history dating back to 1981. The company specializes in a variety of engineering services, including civil/site engineering, geotechnical engineering, construction management, and asset management. EBA has built a reputation for providing expert engineering solutions tailored to the needs of both government agencies and private sector clients. Their project portfolio includes significant contributions to infrastructure and environmental projects, demonstrating their capability to handle complex challenges. EBA's commitment to quality and client satisfaction is reflected in their strong client relationships and numerous awards, including recognition in the ACEC/MW Engineering Excellence Award Competition. The firm employs a team of skilled professionals dedicated to delivering results that meet or exceed client expectations.

10. James Posey Associates, Inc.

• Website: jamesposey.com
• Ownership type: Private
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1911
• Headcount: 51-200
• LinkedIn: james-posey-associates-inc-

James Posey Associates, Inc. is a consulting engineering firm based in Baltimore, Maryland, founded in 1911. The firm specializes in mechanical, electrical, plumbing, and fire protection engineering, providing comprehensive services to architects and building owners. With a focus on energy efficiency and sustainable design, they have developed a strong reputation in the mid-Atlantic region, particularly in Baltimore and Washington D.C. Their portfolio includes projects across various sectors such as education, healthcare, and government, showcasing their ability to handle complex engineering challenges. The firm emphasizes collaboration and innovation, which are critical in delivering successful project outcomes. Their extensive experience in commissioning services and specialized engineering solutions positions them as a significant player in the consulting engineering field.

11. CC Johnson & Malhotra

• Website: ccjm.com
• Ownership type: Private
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 51-200
• LinkedIn: cc-johnson-%26-malhotra-p-c-

CC Johnson & Malhotra, P.C. (CCJM) is an engineering firm based in Baltimore, Maryland, specializing in a wide array of services that cater to the needs of businesses and organizations involved in infrastructure projects. Founded in 1979, CCJM has built a reputation for delivering high-quality engineering solutions that adhere to regulatory standards. The firm provides services across various disciplines, including civil engineering, construction management, energy solutions, and smart technology. Their project portfolio showcases their involvement in significant initiatives, such as the 16.5-mile Purple Line light rail project and improvements to the Back River Water/Wastewater Treatment Plant, which serves over a million residents. CCJM's commitment to sustainability is reflected in their energy efficiency and renewable energy projects, positioning them as a relevant player in the engineering consulting industry.

12. RMF Engineering, Inc.

• Website: rmf.com
• Ownership type: Private
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1983
• Headcount: 201-500
• LinkedIn: rmf-engineering-inc.

RMF Engineering, Inc., based in Baltimore, Maryland, is a private engineering firm founded in 1983. The company specializes in MEP building engineering, district energy systems, and energy management solutions. With a workforce of approximately 363 employees, RMF operates across the United States, serving clients primarily in higher education, healthcare, and federal government sectors. Their expertise lies in designing and modernizing building systems to enhance operational efficiency and sustainability. RMF has been involved in numerous high-profile projects, including commissioning services for the U.S. Army Corps of Engineers and energy management solutions for various universities. Their focus on energy decarbonization and innovative engineering practices reflects their commitment to addressing contemporary challenges in the built environment.

13. Straughan Environmental, Inc.

• Website: straughanenvironmental.com
• Ownership type: Private
• Headquarters: Columbia, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 51-200
• LinkedIn: straughan-environmental

Straughan Environmental, Inc. is an environmental consulting and engineering firm based in Columbia, Maryland. Established in 1995, the company has built a reputation for providing comprehensive services that include environmental program management, construction management, and sustainable infrastructure solutions. Straughan serves a variety of clients, including federal and local governments, as well as commercial entities. Their expertise spans multiple sectors, such as transportation, energy, and water/wastewater management. The firm emphasizes sustainability and innovative approaches to tackle environmental challenges, which is increasingly important in today's market. With a dedicated team of engineers, planners, and scientists, Straughan is committed to delivering quality and effective solutions for their clients' needs.

14. DesignTech Incorporated

• Website: designtecheng.com
• Ownership type: Corporate
• Headquarters: Kensington, Maryland, United States (USA)
• Employee distribution: United States (USA) 50%, India 50%
• Latest funding: March 2025
• Founded year: 2000
• Headcount: 11-50
• LinkedIn: designtech-engineers

DesignTech Incorporated, founded in 2000 and based in Kensington, Maryland, is an engineering consulting firm that specializes in mechanical, electrical, plumbing, and fire suppression engineering services. With a workforce of around 32 employees, the company serves a wide array of clients, including owners, developers, and architects. Their services include evaluations, feasibility studies, and energy analysis, which are essential for optimizing facility designs and ensuring compliance with industry standards. DesignTech has worked on notable projects such as the renovation of the Historic Christ Church and boiler replacements for DC Public Schools, showcasing their capability in handling significant engineering challenges. The firm operates with a dual presence, having offices in both Maryland and Virginia, which allows them to cater effectively to clients in the northern Virginia area. Their approach emphasizes quality design and client satisfaction, aiming to provide tailored solutions that meet specific project needs.

15. Davis, Bowen & Friedel, Inc.

• Website: dbfinc.com
• Ownership type: Private
• Headquarters: Salisbury, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1983
• Headcount: 51-200
• LinkedIn: davis-bowen-%26-friedel-inc-

Davis, Bowen & Friedel, Inc. (DBF) is a professional services firm based in Salisbury, Maryland, with additional offices in Milford and Easton, Delaware. Since its inception in 1983, DBF has been dedicated to enhancing community infrastructure through a comprehensive suite of services that includes architecture, engineering, planning, and surveying. The firm serves a wide range of clients, including municipalities, businesses, and institutions, focusing on delivering high-quality design and engineering solutions. DBF has a strong emphasis on sustainability and community engagement, which is reflected in their project portfolio. They have expanded their capabilities through strategic acquisitions, such as the recent purchase of Environmental Resources, Inc., which enhances their environmental consulting services. With a team of approximately 81 employees, DBF leverages decades of industry experience to address complex challenges and drive positive change in the communities they serve.

16. SuYash Consulting, LLC.

• Website: suyashconsulting.com
• Ownership type: Private
• Headquarters: Columbia, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: suyash-consulting

SuYash Consulting, LLC is a civil and environmental engineering consulting firm based in Columbia, Maryland. Founded in 2015, the company operates as a private entity with a team of 18 employees. SuYash specializes in providing high-quality consulting and design services to both public and private clients. Their offerings include project management, structural inspections, environmental permitting, and various water resource services. The firm is recognized for its commitment to sustainable practices and helping clients navigate complex regulatory requirements. SuYash has been involved in notable projects, such as the Purple Line light rail project and multiple contracts with the Maryland Department of Transportation. Their focus on community impact and infrastructure improvement reflects their dedication to enhancing the environments in which they operate. As a certified Minority Business Enterprise, SuYash Consulting also emphasizes diversity and inclusion within its workforce and client interactions.

17. Mercado Consultants, Inc.

• Website: mercadoeng.com
• Ownership type: Private
• Headquarters: Ashton-Sandy Spring, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1989
• Headcount: 51-200
• LinkedIn: mercado-consultants-inc.

Mercado Consultants, Inc. is an engineering consulting firm based in Ashton-Sandy Spring, Maryland, with a focus on civil and structural engineering, surveying, and environmental science. Established in 1989, the company has built a reputation for delivering cost-effective and high-quality services tailored to meet the needs of governmental agencies and municipalities. Their expertise spans various sectors, ensuring compliance with regulations and supporting infrastructure projects across Maryland, Washington D.C., and Virginia. Mercado's service portfolio includes structural engineering, water and sewer engineering, bridge inspection, and environmental science, among others. The firm has successfully completed notable projects such as the Dulles Corridor Project and various initiatives for local and state agencies, demonstrating their capability and commitment to enhancing transportation infrastructure. With a dedicated team of professionals, Mercado continues to innovate and provide solutions that address the evolving demands of the engineering sector.

18. Kibart, Inc. - a Bowman company

• Website: kibart.com
• Ownership type: Corporate
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $740,000, December 2021
• Founded year: 1986
• Headcount: 51-200
• LinkedIn: kibart-inc

Kibart, Inc. - a Bowman company, based in Baltimore, Maryland, is an engineering and consulting firm that has been active since 1986. The company specializes in a broad spectrum of services, including civil/site engineering, transportation engineering, and environmental consulting. They cater to a mix of clients, ranging from government agencies to private sector firms, focusing on infrastructure projects that require expert guidance. Kibart is committed to ensuring compliance with industry regulations while enhancing community connectivity through their projects. Their involvement spans various sectors, showcasing their adaptability and expertise in addressing complex engineering challenges. The firm has also received funding, with a notable amount reported in December 2021, indicating a continued investment in their operations and services.

19. Rossi Group

• Website: rossitg.com
• Ownership type: Private
• Headquarters: Cockeysville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: rossi-transportation-group-inc.

Rossi Group is an engineering and planning firm based in Cockeysville, Maryland, established in 2015. The company specializes in civil engineering, transportation planning, and environmental services, primarily serving local municipalities and government agencies across Maryland, Delaware, and Pennsylvania. Rossi Group offers a wide range of services, including construction management, utility design, and inspection, ensuring that projects adhere to regulatory standards and are completed efficiently. The firm prides itself on its ability to provide tailored solutions for infrastructure projects, reflecting a deep understanding of the unique challenges faced by its clients. With a team of professional engineers, scientists, planners, and technicians, Rossi Group has built a reputation for responsiveness and agility in delivering engineering solutions. The company is also recognized as a certified woman-owned business, which positions it favorably in a market that values diversity and inclusion. Rossi Group's commitment to community impact and its focus on practical engineering solutions further solidify its role in the industry.

20. McCrone | Hartwell

• Website: mccrone-engineering.com
• Ownership type: Private
• Headquarters: Annapolis, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1937
• Headcount: 11-50
• LinkedIn: mccrone-inc-

McCrone | Hartwell is an engineering firm based in Annapolis, Maryland, specializing in civil engineering, land planning, and surveying services. Founded in 1937, the company has built a solid reputation over the decades, serving clients that include architects, developers, and various government entities. Their expertise spans site engineering, environmental engineering, and municipal engineering, among other areas. McCrone | Hartwell prides itself on its ability to navigate complex engineering challenges while ensuring compliance with regulatory standards. The firm employs a team of professionals with educational backgrounds from prestigious institutions, which enhances their capability to deliver effective solutions. They have been involved in numerous projects that contribute to community development, such as the Elkton Community Center, showcasing their commitment to enhancing local infrastructure and services.

21. Soltesz

• Website: solteszco.com
• Ownership type: Private
• Headquarters: Rockville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1980
• Headcount: 51-200
• LinkedIn: soltesz

Soltesz is a civil engineering firm based in Rockville, Maryland, founded in 1980. With a workforce of approximately 144 employees, the company specializes in civil engineering and land development services. Their offerings include environmental engineering, surveying, urban planning, and project management, catering to both public and private sector clients. Soltesz is known for its innovative approach to addressing complex regulatory and environmental challenges, which is crucial in today's development landscape. The firm has been involved in notable projects such as the University of Maryland Capital Region Medical Center and FedEx Field, showcasing their capability in handling significant developments. Furthermore, Soltesz actively engages in community initiatives, including pro bono projects that enhance local infrastructure and safety. This commitment to community service, alongside their technical expertise, positions Soltesz as a relevant player in the engineering consulting industry.

22. WFT Engineering, Inc.

• Website: wfteng.com
• Ownership type: Private
• Headquarters: Rockville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: wft-engineering-inc

WFT Engineering, Inc., based in Rockville, Maryland, is an engineering consulting firm that specializes in mechanical, electrical, plumbing, and fire life safety engineering services. Since its inception in 1995, the company has catered to a variety of sectors, including healthcare, education, and government. They provide tailored solutions for construction and renovation projects, emphasizing energy efficiency and sustainable design. Their services extend beyond traditional engineering, incorporating commissioning, building evaluations, and feasibility studies, which are crucial for clients navigating complex projects. WFT Engineering has built a reputation for delivering high-quality engineering solutions while ensuring compliance with safety standards. Their portfolio features notable projects such as the National Institutes of Health and various educational institutions, reflecting their capability in handling significant and impactful work. As a certified minority-owned small business, WFT Engineering also contributes to diversity in the industry, enhancing their appeal to clients who value inclusive practices.

23. Development Facilitators, Inc.

• Website: dfiengineering.com
• Ownership type: Private
• Headquarters: Millersville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1978
• Headcount: 51-200
• LinkedIn: dfi-engineering

Development Facilitators, Inc. (DFI) is an engineering consulting company based in Millersville, Maryland, founded in 1978. With a workforce of approximately 59 employees, DFI has carved out a niche in construction management, land development, surveying, and drone services. The firm serves a broad spectrum of clients, including governmental bodies and private developers, ensuring that each project meets specific needs while adhering to compliance and quality standards. DFI emphasizes sustainable engineering practices, reflecting a modern approach to environmental responsibility. Their extensive portfolio includes various projects across commercial, educational, and transportation sectors, showcasing their capability to handle complex engineering challenges. DFI's commitment to training and employee development further enhances their service delivery, positioning them as a reliable partner in the engineering consulting space.

Engineering Consulting Companies Insights: Key Companies in Maryland

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