Barghausen Consulting Engineers
Pacific Northwest civil engineering and land use planning firm serving commercial developers.
States served: Nationwide · HQ Kent, WA
By state
Civil engineers
Civil engineers for site plans, drainage, utility design, and capacity letters.
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Bohler Engineering
Land development consultancy focused on site civil design, permitting, and entitlement approvals.
States served: Nationwide · HQ Warren, NJ
Bowman Consulting
Publicly traded engineering and geospatial consultancy offering civil design, surveying, transportation, structural, and MEP services nationwide.
States served: Nationwide · HQ Reston, VA
Braun Intertec
Engineering, environmental, and testing firm providing geotechnical work, construction materials testing, and site assessment from a nationwide office network.
States served: Nationwide · HQ Minneapolis, MN
Colliers Engineering & Design
Multidiscipline engineering, architecture, and survey firm, formerly Maser Consulting, working for private developers and public agencies.
States served: Nationwide · HQ Red Bank, NJ
Dewberry
National professional services firm covering site engineering, resilience, and building design.
States served: Nationwide · HQ Fairfax, VA
ECS Limited
Employee-owned engineering consultant providing geotechnical, construction materials testing, environmental, and building science services nationwide.
States served: Nationwide · HQ Chantilly, VA
GZA GeoEnvironmental
Employee-owned geotechnical, environmental, water, and construction management consultancy founded in 1964, with 800-plus staff across 34 US offices.
States served: Nationwide · HQ Norwood, MA
Halff
Employee-owned infrastructure consulting firm founded in Dallas in 1950, covering land development, water, transportation, and environmental work.
States served: Nationwide · HQ Richardson, TX
HR Green
Civil engineering and consulting firm founded in 1913, covering land development, municipal, water, transportation and broadband work.
States served: Nationwide · HQ Cedar Rapids, IA
Kimley-Horn
National engineering, planning and design consultancy handling site civil design, entitlements, and development services.
States served: Nationwide · HQ Raleigh, NC
Langan
Site engineering firm known for geotechnical, environmental, and urban redevelopment work.
States served: Nationwide · HQ Parsippany, NJ
Manhard Consulting
Civil engineering, surveying and water resources firm serving land development clients nationwide from thirteen US offices.
States served: Nationwide · HQ Lombard, IL
McAdams
Raleigh-based civil engineering, land planning, and surveying firm working across Florida, North Carolina, South Carolina, and Texas, licensed in 27 states.
States served: Nationwide · HQ Durham, NC
Olsson
Lincoln, Nebraska engineering and design firm covering civil, transportation, water, environmental, planning and field services from offices across the central and western US.
States served: Nationwide · HQ Lincoln, NE
Pape-Dawson Engineers
San Antonio civil engineering firm founded in 1965, covering land development, transportation, water, surveying, environmental work and landscape architecture.
States served: Nationwide · HQ San Antonio, TX
Terracon
Olathe, Kansas employee-owned engineering consultant with more than 200 locations providing environmental, geotechnical, materials testing, and facilities services.
States served: Nationwide · HQ Olathe, KS
Timmons Group
Mid-Atlantic engineering and geospatial firm serving land development and infrastructure clients.
States served: Nationwide · HQ Richmond, VA
Verdantas
Environmental science and engineering consultancy formed in 2020 from combined regional practices, covering remediation, water, geotechnical, and civil work.
States served: Nationwide
Westwood Professional Services
Multidiscipline engineering and surveying firm serving land development, public infrastructure, power delivery, and renewable energy projects across the US.
States served: Nationwide · HQ Minnetonka, MN