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.

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4D Systems

Flint, MI

The future of manufacturing is digital. Are you ready?

WebsitePhone3 offices5 credentialsFounded 2010Updated Jun 2026

Service detail: Controls Engineering

Service: Controls EngineeringService: Control System IntegrationService: Manufacturing Controls SupportIndustry: ManufacturingIndustry: AutomotiveType: Automation & Controls+23 more

A-Tech/Northwest, Inc.

Get an unbiased answer! Our only business is Roof Consulting

Website10 credentialsFounded 1976Updated Jun 2026

Service detail: Roof Consulting

Service: Roof ConsultingService: Visual Roof InspectionsService: Roof Problem AnalysisIndustry: GovernmentIndustry: CommercialType: Materials Testing+14 more

ABNA Engineering, Inc.

St. Louis, MO

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

WebsitePhone3 offices4 projects11 leaders3 credentialsFounded 1994

Project: Washington Avenue Streetscape Project

Service: Civil EngineeringService: Water Resources EngineeringService: Municipal UtilitiesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+41 more

ACR Engineering, Inc.

Austin, TX

ACR Engineering, Inc. is an Austin-based mechanical, electrical, plumbing (MEP), and energy engineering practice established in 1980. The practice specializes in energy management, HVAC and control systems design, commissioning, and energy saving performance contracting. Its engineers collaborate directly with building owners from initial concept through construction and commissioning to optimize efficiency and minimize operating costs.

WebsitePhone3 offices4 projectsFounded 1980Updated Jun 2026

Project: Austin City Hall

Service: Energy Management and ConsultingService: Energy Cost Control and Performance ContractingService: Utility Rebates and Deregulation SupportIndustry: GovernmentType: MEP+11 more

AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects5 leaders2 credentialsUpdated Jun 2026

Project: VIA Park and Ride at Stone Oak

Service: Civil EngineeringService: Transportation DesignService: Drainage and Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+25 more

ARGO Systems, LLC

Baltimore, MD

Innovative Construction Solutions

WebsitePhone6 offices1 credentialsFounded 2004Size Estimate: 50-100 employeesUpdated Jun 2026

Service detail: Program and Project Management

Service: Program and Project ManagementService: Project Planning and SchedulingService: Budget and Cost ControlIndustry: GovernmentIndustry: DefenseType: Electrical Engineering+26 more

ASD Consultants, Inc.

Austin, TX

Providing service with teamwork

WebsitePhone3 offices6 projects3 credentialsFounded 1994Updated Jun 2026

Project: Hays County Health Clinic Renovation

Service: Architecture and Engineering DesignService: Architectural DesignService: MEP EngineeringIndustry: GovernmentIndustry: EducationType: Architecture & Engineering+23 more

ASI Partners Inc.

Huntsville, AL

Engineering Capability and Talent for What Comes Next

WebsitePhone1 officeUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Architecture Development and MBSEService: System Integration and VerificationIndustry: DefenseIndustry: AerospaceType: Defense Engineering+20 more

ASUSE Incorporated

Tempe, AZ

Transform Your Vision Into Reality with ASUSE

WebsitePhone1 office1 projects3 credentialsFounded 2021Size Estimate: 1-25 employees

Project: Ak-Chin Indian Community Utility Infrastructure

Service: Engineering DesignService: Power Distribution DesignService: Communication Infrastructure DesignIndustry: Power GenerationIndustry: Oil & GasType: Design-Build+21 more

Abraxas Energy Consulting

Energy Efficiency & Building Energy Audits

Website5 projects1 credentials2 publicationsUpdated Jun 2026

Project: FBI Headquarters Energy Audit

Service: Energy ConsultingService: Commercial Energy AuditsService: Retro-CommissioningIndustry: CommercialIndustry: FederalType: Mechanical Engineering+27 more

Abysmal Corporation LLC

Integrated Engineering, Environmental, and IT Solutions for Efficiency, Safety, and Sustainability

Website6 projectsUpdated Jun 2026

Project: Redstone Arsenal Facility Audits & Energy Systems

Service: Engineering ServicesService: Chemical EngineeringService: Civil EngineeringIndustry: Environmental & RemediationIndustry: ChemicalsType: Environmental Engineering+22 more

Acceleration Engineering, LLC

Greenville, SC

Acceleration Engineering, LLC is an engineering and government contracting services firm with offices in Greenville, South Carolina, and Norton, Massachusetts, whose team draws on experience across the U.S. Navy, Special Forces, and Intelligence community. Its practice covers proposal development, government contractor onboarding, contract and proposal management, quality compliance auditing, and engineering and program support for defense and shipbuilding clients.

WebsitePhone2 officesUpdated Jun 2026

Service detail: Proposal and Solicitation Search

Service: Proposal and Solicitation SearchService: Government Contractor OnboardingService: Contract and Proposal ManagementIndustry: DefenseIndustry: GovernmentType: Defense Engineering+2 more

Ackerman-Estvold Engineering & Management Consulting, Inc.

Minot, ND

architects + engineers

WebsitePhone4 offices3 projects1 leaders1 credentials1 publications

Project: Big M Building Reimagining

Service: Civil EngineeringService: Traffic & Transportation EngineeringService: Land Planning & DevelopmentIndustry: GovernmentIndustry: EducationType: Civil Engineering+43 more

Advanced Systems Technology, Inc.

Lawton, OK

Advanced Systems Technology, Inc. (AST) delivers defense engineering and simulation solutions, drawing on over 39 years of experience supporting the Department of Defense. It specializes in Live, Virtual, Constructive, and Gaming (LVC-G) training domains, Command, Control, Communications, Computer, and Intelligence (C4I) systems, and training aids, devices, simulators, and simulations (TADSS).

WebsitePhone2 officesUpdated Jun 2026

Service detail: LVC-G Training Systems Engineering

Service: LVC-G Training Systems EngineeringService: Live, Virtual, and Constructive SimulationService: Gaming and Training ApplicationsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+12 more

All South Consulting Engineers, LLC

Metairie, LA

Solutions Engineered by Design

WebsitePhone4 offices8 projects3 leadersFounded 2004Size Estimate: 80-249 employees

Project: Bayou Country Sports Park

Service: Civil EngineeringService: Water and Sewage SystemsService: Drainage and Stormwater SystemsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+25 more

American Service Network Corporation

Fairfax, VA

Results-driven government contracting and business staffing solutions

WebsitePhone2 offices1 leaders1 credentialsFounded 2001Updated Jun 2026

Service detail: Engineering and Technical Solutions

Service: Engineering and Technical SolutionsService: Combat Systems EngineeringService: Systems Design and IntegrationIndustry: GovernmentIndustry: FederalType: Defense Engineering+14 more

Astral Engineers P.C.

Rancho Cucamonga, CA

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

WebsitePhone2 offices11 projects3 leaders1 credentials1 publications

Project: Mohs & GI Procedure Room Renovation

Service: Mechanical EngineeringService: Air Handling Unit DesignService: Central Utility PlantsIndustry: HealthcareIndustry: FederalType: MEP+51 more

Atlantic Engineering Services

Pittsburgh, PA

Bringing Architectural Visions to Life

WebsitePhone3 offices8 projects5 leaders2 credentials3 publications

Project: Pittsburgh Athletic Association Renovation

Service: Structural EngineeringService: Steel DesignsService: ConcreteIndustry: Senior LivingIndustry: GovernmentType: Structural Engineering+38 more

Atriax Group

Hickory, NC

Atriax Group is an architecture and engineering firm headquartered in Hickory, North Carolina, providing architectural and interior design, engineering, project management, construction administration, and design-build services to military and government installations, healthcare facilities, and public and private sector clients nationwide. Founded in 2001 by two retired US Air Force civil engineering officers, the group operates as Atriax, PLLC for A/E services and Atriax Building Solutions, LLC for general contracting and design-build delivery.

WebsitePhone1 office5 leaders1 credentialsFounded 2001Size Estimate: 30+ employees

Service detail: Architecture & Interior Design

Service: Architecture & Interior DesignService: Operating RoomsService: Police StationsIndustry: FederalIndustry: DefenseType: Architecture & Engineering+20 more

BBIX, LLC

Boston, MA

Trusted Design and Engineering Solutions for Federal Projects

WebsitePhone3 offices1 credentialsUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: New construction designService: Building renovation and rehabilitationIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+29 more

Bersson & Constantaras LLC

Kailua, HI

Specialist federal contracting and engineering advisors

Website1 office8 projects2 leadersFounded 2016Size Estimate: 1-10 employeesUpdated Jun 2026

Project: Mosul Dam Foundation Risk Analysis and Repair

Service: US Government Liaison and Program SupportService: Liaison with US Government AgenciesService: Federal Contact and Visibility FacilitationIndustry: GovernmentIndustry: FederalType: Civil Engineering+18 more

Browne Engineering & Construction

Cincinnati, OH

Keeping You on Track

WebsitePhone1 office2 projectsUpdated Jun 2026

Project: Cincinnati State

Service: Project ControlsService: Technology-Enabled ControlsService: Lean Construction PrinciplesIndustry: WastewaterIndustry: Stormwater & Flood ControlType: Civil Engineering+38 more

Building Energy Solutions Provider LLC

Tempe, AZ

Energy Engineering Service Provider

WebsitePhone1 office1 leadersSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Energy and Water Audits

Service: Energy and Water AuditsService: Building Systems OptimizationService: Building Operational Usage AnalysisIndustry: EducationIndustry: GovernmentType: Mechanical Engineering+24 more

CMTA

Louisville, KY

Building Science Leadership

Website49 offices2 projects3 leaders6 credentialsFounded 1969Size Estimate: 1,560 employees

Project: CMTA Corporate Headquarters Building 2

Service: Consulting EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: ManufacturingIndustry: AviationType: MEP+30 more