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Firm nameRecently updatedProfile depthOffice countSizeAgeLocation match
ComfortableCompact

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more
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Barr Engineering Co.

Minneapolis, MN

Designing What's Next

WebsitePhone18 offices6 projects1 leaders1 credentials1 publications

Project: Utility-Scale BESS Engineering and Design

Service: Engineering and DesignService: Mine Tailings Management EngineeringService: Mineral Processing and Plant DesignIndustry: MiningIndustry: Power GenerationType: Civil Engineering+34 more
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Mazzetti

Bending the Climate Curve

Website3 projects7 leadersUpdated Jun 2026

Project: Oregon Health & Science University - Doernbecher - IMRI Addition

Service: MEP EngineeringService: Civil EngineeringService: Commissioning & RetrocommissioningIndustry: HealthcareIndustry: Life SciencesType: MEP+26 more
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Michael Baker International

Pittsburgh, PA

We Make a Difference

Website18 offices5 projects15 leaders5 credentials4 publicationsFounded 1940

Project: Fika Remote Footbridge Build

Service: Infrastructure EngineeringService: Roadway and Highway DesignService: Bridge Design and InspectionIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+46 more
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Precision Systems, Inc. (PSI)

Washington, DC

Engineering the Future of Transportation

WebsitePhone1 office6 projects2 credentialsFounded 1994Size Estimate: 10-50 employees

Project: 11th Street NW Bus Priority Project - Transit, Bike and Pedestrian Improvements

Service: Roadway DesignService: Streetlight and Traffic Signal DesignService: Safety Improvement DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+41 more
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Refai International Group

Denver, CO

Innovative Project Management & Engineering Solutions for the Modern World

WebsitePhone1 office8 projectsFounded 1991Updated Jun 2026

Project: COTA 1600 McKinley Avenue Renovation, Phase 3C

Service: Program / Project ManagementService: Large-Scale & Complex Project ManagementService: Turnaround of Non-Performing ProjectsIndustry: AviationIndustry: AirportsType: Civil Engineering+48 more
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SCS Engineers

Long Beach, CA

At the forefront of sustainable environmental solutions for over 56 years.

WebsitePhone2 offices9 projects3 leaders16 credentials6 publications

Project: Casa Ramona Remediation

Service: Solid Waste ManagementService: Landfill Permitting and EngineeringService: Materials Recovery Facility OptimizationIndustry: Waste ManagementIndustry: GovernmentType: Environmental Engineering+44 more
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WGI, Inc.

West Palm Beach, FL

National Award-Winning Engineering, Land Surveying + Professional Services Firm

WebsitePhone1 office13 projects25 leaders9 credentialsFounded 1972

Project: Wekiva Parkway (SR 429), Section 6 Design Build

Service: ArchitectureService: Building EnclosuresService: Civil EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+68 more
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Willdan Group

Anaheim, CA

Willdan transitions communities to clean energy and a sustainable future

WebsitePhone2 offices3 projects1 leadersFounded 1964Size Estimate: 1,000-2,000 employees

Project: NFL Stadium Transportation Management and Operations Plan

Service: Energy and SustainabilityService: Energy efficiency program design and deliveryService: Utility program design and deliveryIndustry: UtilitiesIndustry: GovernmentType: Civil Engineering+55 more
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infraTECH Engineers & Innovators, LLC

Houston, TX

Designing Infrastructure, Redefining Horizons

WebsitePhone2 offices6 projects1 credentialsSize Estimate: 10-49 employeesUpdated Jun 2026

Project: US 75 Roadway Widening and Reconstruction

Service: Roadway & CivilService: Roadway Schematic DevelopmentService: Roadway and Interchange DesignIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+34 more
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