Whether it’s improving your commute, keeping the lights on, providing access to clean water or transforming skylines, infrastructure powers possibilities to help people and communities thrive.

On projects spanning transportation, buildings, water, governments, energy and the environment, we partner with our clients to build legacies for generations to come.

AKF Group is a full-service consulting firm serving public and private sector clients across the United States and around the world. AKF Group is collaborative, innovative, and client-focused, creating effective, efficient, and adaptable solutions, building enduring partnerships, and delivering life-cycle engineering services.

Alfred Benesch & Company is an 850 person firm with 44 locations in 20 states that specialize in providing quality civil and structural engineering services to clients in transportation and infrastructure development. Since 1946, Benesch has successfully completed thousands of design and engineering projects throughout the United States. They are consistently ranked among the top 500 consulting engineering firms in the country by Engineering News Record and recently received recognition for the third year in a row as one of the nation's Top 50 “Go-To” bridge design firms by Roads & Bridges magazine.

Allen & Major Associates, Inc. is a multi-disciplinary consulting firm dedicated to the practices of civil engineering, environmental consulting, land survey, and landscape architecture. Our work is an integral part of site development and we use our skills to optimize performance and site functionality. Our offices are located in Woburn, MA, Lakeville, MA, and Manchester NH, allowing us to provide services throughout the Northeast.

Arcadis is the leading global natural and built asset design and consultancy firm working in partnership with our clients to deliver exceptional and sustainable outcomes through the application of design, consultancy, engineering, project and management services. Arcadis differentiates itself through its talented and passionate people and its unique combination of capabilities covering the whole asset life cycle, its deep market sector insights, and its ability to integrate health & safety and sustainability into the design and delivery of solutions across the globe.

Arora Engineers, Inc. (Arora) provides mechanical, electrical, plumbing, fire/life safety, security/ technology/special systems, airfield electrical, and GIS services that emphasize the technology that connects systems infrastructure, improves operations and longevity, and makes life easier for those who use it. Through innovative approaches to design, construction management and facilities maintenance management, Arora prioritizes helping its clients remain on the cutting edge of efficiency, profitability and sustainability.

ATANE serves public agencies and private entities. Our award-winning portfolio encompasses transportation infrastructure-highways, tunnels, bridges, transit and commuter rail, aviation, and port and marine facilities; buildings and facilities-housing, schools, healthcare facilities, and parks and recreation; drinking water and wastewater facilities; environmental-remediation and restoration; energy and utilities.

BL Companies, an employee-owned firm, is a leader in delivering high-quality, integrated architecture, engineering, and related services to public and private clients for land development, building design, and infrastructure projects.  Founded in 1986 as a small transportation planning and civil engineering firm, BL Companies has grown to become a leading multi-discipline firm sought for our quality, creativity, and expertise in producing successful project outcomes. We are dedicated to total client satisfaction. Our success is founded on our employee owners and a culture that inspires, challenges, and insists on nothing short of professional excellence.  Consistently listed in the Top 500 Design Firms in the country by Engineering News-Record, BL Companies has offices in twelve states, including Connecticut, Florida, Maryland, Massachusetts, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, Tennessee, and Texas.  As an employee-owned company, we advocate a team approach and strive to formulate long-lasting relationships with our clients and business partners. We believe there is no limit to what a team can do when working in a true partnership.

Bryant Associates provides civil, structural and traffic engineering, surveying and mapping, and construction management related to transportation, site and environmental projects. Transportation projects include highways, expressways, bridges, mass transit, airports and waterfront facilities. Environmental projects include sanitary and storm systems, utility relocations, erosion control. 

At BSC, we partner with our clients to deliver creative and practical transportation, land development,
and environmental solutions. BSC’s engineers, planners, and scientists take pride in their ability to respond nimbly to move projects forward while solving complex challenges. Proudly employee-owned, our people are the heart of our company.

C&C Consulting Engineers, Inc. offers engineering services in design of bridges, structures, roadway, utility, traffic, civil work, survey and construction oversight.

CDW is an environmental and civil engineering consulting firm of engineers and scientists offering the following lines of service:

• Environmental site assessments, subsurface investigations and remediation design, LSP services, environmental permitting and compliance, hazmat surveys, and brownfields support.
• Civil/site design, storm water management, permitting, water and wastewater management, wetlands studies,  GIS and resident engineering.

CDW is a certified DBE in MA/RI/CT/NY, a certified WBE in MA/RI/NY, and a federally certified WOSB.

CHA Consulting, Inc. is an innovative, full-service engineering consulting and construction management firm delivering sustainable, integrated solutions to the world's most challenging infrastructure projects. With decades of experience, we bring inspired talent, forward-leaning technology, and essential partnerships to meet our clients' evolving needs. We are your trusted advisors and partners committed to responsibly improving the world we live in.

Chappell Engineering Associates, LLC is a 24 person consulting engineering and land surveying firm located in Marlborough, Massachusetts.  We specialize in highway and bridge design, land surveying, site development, traffic engineering, wireless and transit telecommunications, project controls and construction inspection.

City Point Partners is a WBE/DBE construction support services firm providing Project Controls including Estimating and Scheduling, Resident Engineering/Inspection, Document Management, Public Outreach, Claims and Change Order Management.

Collins is an ENR Top 500 Design Firm and provides engineering services in the transportation, land development, marine, and construction industries. It was in the field of underwater engineering that Collins pioneered the use of professional engineers as diving inspectors in the evaluation of underwater structures.

Dawood (formerly SMC) is a conglomerate of companies providing civil engineering, surveying and mapping, structural design, geotechnical engineering, environmental permitting and remediation, geographic information systems, and construction management and oversight. We serve clients nationwide in transportation, energy, utilities, land development, and real estate. This office provides surveying and mapping services to support engineering and architectural firms in the design of roads and highways, water and sewer projects schools playing fields and electric and other transmission lines.  

MBE certified in Massachusetts

Delve Underground (formerly McMillan Jacobs Associates) brings the combination of over 75 years of technical engineering design expertise in the conveyance (water, wastewater, stormwater), dispute resolution, hydropower, transportation, underground, and water resources industries. We manage projects from the regulatory and planning requirements to the design development and through the construction. Our 21 offices in North America and Australasia and more than 400 staff serve clients locally and worldwide. Our technical skills include environmental studies and permits/consents; regulatory licensing; civil, structural, mechanical, electrical, geotechnical, mining, and geological engineering; hydraulics and hydrology and computational fluid dynamics (CFD) modeling; and tunnel and underground project engineering.

Dewberry is a leading market-facing firm with a proven history of providing professional services to a wide variety of public- and private–sector clients. Recognized for combining unsurpassed commitment to client service with deep subject matter expertise, Dewberry is dedicated to solving client’s most complex challenges and transforming their communities.

Environmental Partners Group, Inc. provides a broad range of environmental consulting services to clients in both the private and public sectors. The core philosophy is to provide clients with the best service in the consulting industry. The staff concentrates on industrial, commercial, municipal, and state/federal agency projects. The clients represent a broad cross-section of industry, government, design professionals, law firms, developers and insurance. 

Epsilon is an environmental/engineering consulting company specializing in securing environmental approvals for real estate, energy, and infrastructure development projects. Our reputation for delivering practical strategies, a focused work effort, and successful project outcomes has made us an industry leader.  Over our 20-year history, we have taken on some of the most visible and complex projects in New England.

Fitzemeyer & Tocci Associates specializes in electrical, mechanical, and fire/earthquake/hazards/safety disciplines. Fitzemeyer & Tocci Associates services are organized to provide Architects, Owners and Construction Managers logical, clear and concise intelligence in a rapidly changing Building Facility environment.

Fuss & O’Neill is a full-service consulting firm specializing in engineering, planning, and scientific studies. We have been serving both public and private sector clients for more than 90 years, providing multidisciplinary solutions that maximize value and best address our clients’ long-term needs.

Gannett Fleming, a global infrastructure and engineering firm, provides progressive solutions for construction services, earth sciences, facilities, geospatial, power, transportation, and water projects,  We consistently rank among the industry's top design firms and embrace sustainability, innovation, and advanced solutions to solve our clients' complex challenges and improve their communities.  We deliver excellence and are ISO 9001:2015 Certified. 

GEI Consultants is a nationally recognized geotechnical, environmental, ecological, waterfront/coastal, and water resources engineering consulting firm. Our services include design of underground structures, foundations, and excavations; dam and dam safety engineering; investigation and remediation of contaminated sites; ecological assessment and restoration; and flood protection engineering and planning. We provide services throughout the project delivery life cycle, from conceptual planning through permitting, design, engineering, and construction management.

For more than 35 years, Geocomp has provided geotechnical and geostructural analysis and design; laboratory testing of soils, rocks, and materials used for subsurface construction; active risk management services for infrastructure design and construction; instrumentation design, installation, operation, and maintenance; and data management and reporting for instrumentation for highways, bridges, transportation facilities, dams, levees, tunnels, deep excavations, and structures. Our experienced team of engineers has been solving some of the world's most challenging geotechnical and geostructural problems on wide-ranging public and private works projects. Geocomp also helps identify, assess, and mitigate risks associated with construction by providing quantitative identification of risks and the potential impact to project cost, schedule, and quality.

Gill Engineering is a structural and civil engineering firm providing bridge, highway, geotechnical, and hydraulic design, and construction support for our public and private transportation clients. Our staff of over 20 engineers continues the pursuit of excellence in bridge engineering on bridge replacement, preservation and rehabilitation projects, structural investigations, bridge inspections and bridge ratings. Gill Engineering is a specialist in Accelerated Bridge Construction, having utilized it effectively on several recent Design-Build projects, earning us numerous national engineering awards.

GPI provides comprehensive engineering, design, planning and construction inspection services to a wide variety of government agencies, municipalities, institutions, industries, corporations, private organizations and developers. Specialties include Highway Engineering, Planning and Urban Design, Traffic Engineering, Bridge Engineering, Building Systems Engineering/MEP, Survey/LiDAR, GIS/Asset Management, Construction Inspection, Protective Coatings, Landscape Architecture

Haley & Aldrich, Inc. is committed to delivering the value our clients need from their capital, operations, and environmental projects. Our one-team approach allows us to draw from our 800 engineers, scientists, and constructors in 33 offices for creative collaboration and expert perspectives. Since our founding in 1957, we have one goal in all we do: deliver long-term value efficiently, no matter how straightforward or complex the challenge. In 2020, Haley & Aldrich acquired Hart Crowser, an engineering and environmental consultancy with extensive expertise in the Pacific Northwest and recognized for its cutting-edge performance-based seismic design methods. 

A consulting engineering firm providing technical and procurement support services to agencies which operate passenger rail services. Assists clients in the procurement of rail vehicles and the related systems that power and control the vehicles.