What GM2 Associates does

GM2 Associates, Inc. is a privately held, full-service engineering consulting firm founded in 1988 and headquartered in Glastonbury, Connecticut. The company delivers civil, structural, transportation, and construction engineering services with a particular specialization in complex bridge design — including segmental, cable-stayed, vertical lift, and accelerated bridge construction methods — supported by in-house construction engineering and inspection (CEI), traffic engineering, environmental, geotechnical, survey, and MEP/FP capabilities delivered through its wholly owned subsidiaries RZ Design Associates and Gordon R. Archibald, Inc. (GRA). GM2 has designed or supported record-setting structures including the $1.2B US 181 Harbor Bridge (longest U.S. concrete cable-stayed span at 1,661 feet), the $500M South Hartford Tunnel, and the $403.5M South Coast Rail program, accumulating 30+ industry awards from ACEC, CSCE, MassDOT, and others.

The firm's revenue model is professional-services engineering consulting billed primarily through qualifications-based and competitive-bid government contracts, with go-to-market executed via enterprise field sales targeting state DOTs (CTDOT, MassDOT, RIDOT, NHDOT, FDOT, VTrans, MaineDOT, NJDOT, DelDOT, TxDOT, UDOT, MnDOT), municipalities, federal agencies (WMATA, HART, U.S. Army Corps), and educational institutions. GM2 serves as both prime consultant and subconsultant on projects ranging from sub-$2M culvert replacements to billion-dollar bridge programs, leveraging 13 offices across Connecticut, Massachusetts, New Hampshire, Rhode Island, Florida, Texas, and Colorado to position staff near client agencies. Customer concentration is entirely in the public sector, with diversification across 20+ named agencies mitigating individual-customer churn but exposing the firm to public-sector budget cycles and federal infrastructure funding policy (e.g., IIJA reauthorization). The firm operates without disclosed external institutional investment and is described in source material as privately held under Connecticut governing law.

Name

GM2 Associates

Legal name

GM2 Associates, Inc.

Website

https://gm2inc.com

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

101–250 employees

Short description

GM2 Associates is a privately held engineering consulting firm founded in 1988 and headquartered in Glastonbury, CT that delivers bridge design, CEI, highway, traffic, environmental, and MEP engineering services to state DOTs, municipalities, and federal agencies across 13 offices in the eastern and southern US.

Ownership category

akta.pro rank

Headquarters

HQ city

Glastonbury

HQ country

United States

HQ region

North America

Offices13 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Engineering Consulting Services: GM2 generates revenue through professional engineering consulting services including bridge design, construction engineering and inspection (CEI), highway design, site civil engineering, and related technical services provided to government transportation agencies and municipalities on a project contract basis.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

GM2 Associates is a full-service engineering and construction management firm providing multi-disciplinary infrastructure consulting services. The company delivers bridge and complex bridge design (segmental, cable-stayed, accelerated construction), construction engineering and inspection (CEI), highway and roadway design, traffic engineering and planning, environmental and wetland services, geotechnical engineering, land development engineering, MEP/FP design (via subsidiary RZ Design Associates), survey services, and structural/building engineering. Services are delivered to state DOTs, municipalities, federal agencies, educational institutions, and energy/utility companies across the northeastern U.S., Florida, and select southwestern markets.

Product overview

GM2 Associates is a full-service engineering and construction management firm offering a comprehensive portfolio of infrastructure consulting services. The company operates as a unified consulting platform organized around core engineering disciplines: Bridge and Complex Bridge Design Services, Construction Engineering and Inspection (CEI), Highway and Roadway Design, Traffic Engineering and Planning, Environmental and Wetland Services, Geotechnical Engineering, Land Development Engineering, MEP/FP Design Services (through RZ Design Associates, a GM2 company), Survey Services, and Structural/Building Engineering. These services are delivered through multiple office locations across the northeastern United States and Florida, supporting transportation, construction, facilities, land development, and energy market sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Bridge and Complex Bridge Design Services
• Construction Engineering and Inspection (CEI)
• Highway and Roadway Design
• Traffic Engineering and Planning
• Environmental and Wetland Services
• Geotechnical Engineering
• Land Development Engineering
• MEP/FP Design Services
• Survey Services
• Structural/Building Engineering
• Bridge Safety Inspection Services

Quantifiable outcome

• Minnesota's first use of CMGC design-build process on Winona Bridge project
• +5 more outcomes

Named customers21 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Four partnerships are on record, tiered core and major.

• RZ Design AssociatescoreOthersRZ Design Associates is a GM2 company specializing in electrical, mechanical, and structural engineering for buildings. The subsidiary provides MEP design services including electrical systems, HVAC, plumbing, and fire protection from offices in Rocky Hill, CT and Tampa, FL. RZ Design Associates supports GM2's multi-disciplinary capabilities for facilities projects.
• Gordon R. Archibald, Inc. (GRA)coreOthersGordon R. Archibald, Inc. (GRA) is now a division of GM2, providing civil/site engineering and surveying services. GRA served as lead civil/site engineering consultant for projects including the URI College of Engineering Building and Flagg Road Extension projects, expanding GM2's capabilities in site engineering and permitting.
• Riggs DistlermajorStrategic or Co-development PartnerGM2 partnered with Riggs Distler on the ORSTED/Eversource Offshore Wind Farm Engineering project at ProvPort. Riggs Distler serves as contractor while GM2 provides engineering expertise for offshore wind infrastructure.
• AECOMmajorStrategic or Co-development PartnerGM2 worked with AECOM on the South Hartford Conveyance and Storage Tunnel project, providing traffic engineering services under the MDC/AECOM contract. GM2 served as subconsultant providing specialized traffic design and construction inspection services.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• WSP USA: Global engineering consulting giant with extensive U.S. transportation and bridge practices. Competes with GM2 on large-scale bridge and highway projects and often serves as prime consultant on complex infrastructure programs.
• Stantec: Diversified engineering consulting firm with substantial transportation and infrastructure practices serving state DOTs. Comparable on highway and bridge design, though broader and larger than GM2 with a wider service portfolio.
• AECOM: One of the largest global infrastructure consulting firms with dominant transportation and bridge practices. GM2 has direct exposure to AECOM as a subconsultant (e.g., $500M South Hartford tunnel); competes on the largest U.S. transportation and bridge pursuits.
• HDR Inc. Top-10 global engineering consulting firm with substantial transportation, bridge, and highway practices serving state DOTs and federal agencies. Larger and broader than GM2, but directly competes on major bridge and transportation infrastructure projects across the same geographies.
• Jacobs Solutions: Major global engineering and consulting firm with extensive U.S. transportation, bridge, and CEI practices. Comparable on large-scale bridge and highway work; competes with GM2 on mega-project pursuits and DOT on-call contracts.

Direct peers

• Modjeski and Masters: Specialty bridge engineering consulting firm focused on complex bridge design, inspection, and rehabilitation. Closely comparable to GM2 on complex bridge design credentials, serving state DOTs and toll authorities with similar project types.
• Hardesty & Hanover: Specialty bridge engineering consulting firm with expertise in movable, long-span, and complex bridge design. Directly comparable to GM2's Complex Bridge team in segmental, cable-stayed, and movable bridge work, serving similar state DOT clients on high-value bridge projects.
• T.Y. Lin International: Global infrastructure engineering consulting firm with strong bridge and specialty structures practice. Comparable to GM2 on cable-stayed and segmental bridge design expertise, with broader geographic reach including international DOT clients.
• TranSystems: Mid-size U.S. transportation and infrastructure engineering consulting firm with deep bridge, highway, and CEI capabilities. Directly comparable in scale, service mix, and DOT client base to GM2, competing for similar state-level bridge and highway contracts.
• Michael Baker International: Major U.S. infrastructure consulting firm specializing in transportation, bridge, and civil engineering with strong DOT relationships. Direct competitor on complex bridge and highway projects; somewhat larger scale than GM2 but directly comparable in core service offering and client base.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GM2 Associates