Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

Search: Design Firm type: environmental-engineering Clear all

Filters2

1,600 results

Showing 1-24 of 1,600

Firm name Recently updated Profile depth Office count Size Age Location match

Comfortable Compact

2IM Group, LLC

Chicago, IL

2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.

WebsitePhone1 office5 projects

Service: Highways, Roads, and StreetsService: Roadway geometryIndustry: TransportationType: Civil Engineering+31 more

Website View profile

3-Tier Alaska

Fairbanks, AK

Civil & Environmental Engineering, Surveying

WebsitePhone3 officesUpdated Jun 2026

Service: Civil EngineeringService: Septic System Design and TestingIndustry: ResidentialType: Civil Engineering+21 more

Website View profile

3Bears Technical Services

Hixson, TN

Experts in Nuclear Operations and Waste Management Solutions

WebsitePhone1 office2 credentials

Service: Engineering and Project ManagementService: Mechanical EngineeringIndustry: NuclearType: Environmental Engineering+33 more

Website View profile

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leaders

Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportIndustry: TransportationType: Civil Engineering+27 more

Website View profile

5 Smooth Stones Restoration

Specialists in applied fluvial geomorphology and stream restoration

Website7 projects3 leadersFounded 2015

Service: Geomorphic Assessment and Stream Restoration DesignService: Watershed Assessment and Gage AnalysisIndustry: Environmental & RemediationType: Environmental Engineering+17 more

Website View profile

5020 Engineering Resource Group, Incorporated

Civil, Water Resources, and Environmental Engineering Services

Website4 leaders1 credentialsFounded 2022

Service: Water and Wastewater EngineeringService: Water and Wastewater Conveyance SystemsIndustry: Water ResourcesType: Civil Engineering+21 more

Website View profile

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects

Service: Construction & Remediation ServicesService: Landfill ConstructionIndustry: Environmental & RemediationType: Environmental Engineering+74 more

Website View profile

A D Marble Co Inc

King of Prussia, PA

Environmental, Cultural, and Water Resources Engineering

Website4 offices5 leadersUpdated Jun 2026

Service: Environmental EngineeringService: Environmental Clearance and PermittingIndustry: FederalType: Environmental Engineering+16 more

Website View profile

A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects

Service: Bridge Design and InspectionsService: Bridge DesignIndustry: TransportationType: Civil Engineering+24 more

Website View profile

A&E Engineering and Surveying

Pocatello, ID

See it. Solve it. Stand by it.

WebsitePhone1 office2 leaders

Service: Civil EngineeringService: Land Development and Site DesignIndustry: Land DevelopmentType: Civil Engineering+30 more

Website View profile

A&M Consulting Engineers

Visalia, CA

Moving Our Communities Infrastructure Forward

WebsitePhone2 offices3 projects

Service: Water ResourcesService: Hydraulic AnalysisIndustry: GovernmentType: Civil Engineering+46 more

Website View profile

A. Morton Thomas and Associates, Inc.

Rockville, MD

Celebrating 70 Years of Engineering and Design

WebsitePhone1 office4 projects

Service: Site and Civil EngineeringService: Site DevelopmentIndustry: TransportationType: Civil Engineering+45 more

Website View profile

A.D.A. Engineering, Inc.

Doral, FL

Applying the Latest Technology

WebsitePhone2 offices1 credentials

Service: Civil EngineeringService: Land/Site DevelopmentIndustry: WastewaterType: Civil Engineering+42 more

Website View profile

A.E. Hodsdon Consulting Engineers

Waterville, ME

Leaders in professional engineering for over 40 years

WebsitePhone1 office1 projects

Service: EngineeringService: Water Systems DesignIndustry: GovernmentType: Civil Engineering+33 more

Website View profile

A.M.I. Engineering LLC

Miami, FL

Providing Engineering Solutions for Sustainable Infrastructure

WebsitePhone1 office4 projects

Service: Transportation InfrastructureService: System Planning and AnalysisIndustry: AirportsType: Civil Engineering+36 more

Website View profile

A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects

Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringIndustry: AirportsType: Civil Engineering+43 more

Website View profile

A2Z Engineering, PLLC

Kalispell, MT

Civil and Structural Engineers Montana

WebsitePhone1 office2 projects

Service: PowerService: Substation DesignIndustry: Electric UtilitiesType: Civil Engineering+21 more

Website View profile

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects

Service: Land PlanningService: Zoning StudiesIndustry: GovernmentType: Civil Engineering+84 more

Website View profile

ABAM Engineers Inc.

Houston, TX

Driving Innovation and Digitization in Engineering

WebsitePhone2 officesUpdated Jun 2026

Service: Civil and Infrastructure EngineeringService: Site Analysis and DesignIndustry: CommercialType: Civil Engineering+40 more

Website View profile

ABNA Engineering, Inc.

St. Louis, MO

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management

WebsitePhone3 offices4 projects

Service: Civil EngineeringService: Water Resources EngineeringIndustry: InfrastructureType: Civil Engineering+43 more

Website View profile

ACM Engineering & Environmental Services, Inc.

South Bend, IN

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.

Website4 offices5 credentialsFounded 1988

Service: Asbestos ServicesService: Asbestos surveys and inspections by licensed inspectorsIndustry: ResidentialType: Environmental Engineering+44 more

Website View profile

ACS Services, LLC

Mesa, AZ

Geotechnical engineering, material testing, special inspections, and drilling services in Arizona

WebsitePhone1 office2 leaders

Service: Geotechnical EngineeringService: Construction Materials TestingIndustry: InfrastructureType: Geotechnical Engineering+24 more

Website View profile

ACT Engineers, Inc.

Robbinsville, NJ

Civil, Coastal, and Environmental Engineering and Consulting Practice

WebsitePhone3 offices5 projects

Service: Civil/Site EngineeringService: Coastal EngineeringIndustry: GovernmentType: Civil Engineering+30 more

Website View profile

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsIndustry: FederalType: Architecture & Engineering+41 more

Website View profile