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.

Filters2

3 Rocks Engineering & Surveying

CaƱon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects2 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Love's Travel Stop & RV Park Designs

Service: Civil EngineeringService: Residential and Commercial Site DevelopmentService: Oil and Gas Civil SupportIndustry: CommercialIndustry: ResidentialType: Civil Engineering+28 more

3J Consulting, Inc.

Your Partner in Civil Engineering & Community Planning

Website8 projects6 leaders6 credentialsFounded 2009Updated Jun 2026

Project: Sandy Vision and Comprehensive Plan

Service: Civil EngineeringService: Grading & DrainageService: Utility DesignIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+39 more

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Air Quality and Environmental Compliance

Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportService: Regulatory Review and ComplianceIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+25 more

5020 Engineering Resource Group, Incorporated

Civil, Water Resources, and Environmental Engineering Services

Website4 leaders1 credentialsFounded 2022Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: Water and Wastewater Conveyance SystemsService: Sewer System Flow MonitoringIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+19 more

7 Oaks Engineering

Silverton, OR

Harmonizing the built environment with the natural.

WebsitePhone2 offices4 leaders3 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Due Diligence and Feasibility StudiesService: Entitlement and Conceptual DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+24 more

AES Consulting Engineers

Glen Allen, VA

Consulting Engineers

WebsitePhone4 offices1 projects9 leadersFounded 1980Size Estimate: 50-100 employees

Project: Colonial Heritage

Service: Civil EngineeringService: Site Plan DesignService: Subdivision DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+37 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

AVI, PC

Cheyenne, WY

Engineering Excellence

WebsitePhone2 offices9 projects6 leaders2 credentialsUpdated Jun 2026

Project: Casper's West Belt Loop Road

Service: TransportationService: Roadway DesignService: Drainage DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+51 more

AVM Ventures, LLC

Harrisburg, PA

Sustainable Engineering Solutions. Simplified.

WebsitePhone1 office1 leaders3 credentialsUpdated Jun 2026

Service detail: Water Engineering

Service: Water EngineeringService: Water Treatment DesignService: Wastewater EngineeringIndustry: WastewaterIndustry: Water SupplyType: Water / Wastewater Engineering+22 more

Accelerate Engineering, LLC

Houston, TX

Crafting sustainable solutions that enrich lives

WebsitePhone1 office2 leadersFounded 2022Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway DesignService: Traffic EngineeringIndustry: TransportationIndustry: WastewaterType: Civil Engineering+22 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

Adams & Clark, Inc.

Spokane, WA

Top-of-the-Line Civil Engineering and Land Surveying Services

WebsitePhone1 officeFounded 1946Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land SurveyingService: Boundary SurveyingIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+18 more

Adkins Engineering and Surveying

Klamath Falls, OR

Serving S. Oregon and N. California Since 1983

Website1 office6 projects3 leaders3 credentialsFounded 1983Size Estimate: 15-25 employees

Project: Klamath Irrigation District - C-Flume Replacement

Service: Civil EngineeringService: Land Development PlanningService: Transportation SystemsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+37 more

Aina Engineers Inc

Kailua-Kona, HI

Aina Engineers Inc is a civil engineering firm specializing in wastewater engineering and land development on the Big Island of Hawaii. Based in Kailua-Kona, the firm provides septic system design and permitting, aerobic system consulting, cesspool conversions, grading and drainage, flood studies, geotechnical engineering, traffic studies, and construction inspection services throughout the Kona region and surrounding areas.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Wastewater Engineering

Service: Wastewater EngineeringService: Septic system design, permitting, and inspections (new and as-built)Service: Aerobic system consulting (authorized Nayadic dealer and technician)Industry: ResidentialIndustry: Land DevelopmentType: Civil Engineering+19 more

Albert A. Webb Associates

Strength through History and Innovation

Website6 projectsFounded 1945Updated Jun 2026

Project: CVWD - North Indio Regional Flood Control Channel

Service: Land DevelopmentService: Planning and EntitlementService: Water ResourcesIndustry: CommercialIndustry: EducationType: Civil Engineering+31 more

Allied Engineering Services Inc

Bozeman, MT

Diverse Projects. Solutions That Last.

WebsitePhone1 office14 projects1 credentialsFounded 1996Updated Jun 2026

Project: Bozeman Public Safety Center

Service: Civil EngineeringService: SubdivisionsService: Water and Wastewater Systems DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+59 more

Alpha Engineering Company

St. George, UT

Alpha Engineering Company is a civil engineering and land surveying firm established in 1989 and headquartered in St. George, Utah. The practice serves public and private clients throughout Southern Utah and surrounding areas, providing municipal engineering, site planning and development, water resources and dam design, wastewater engineering, hydrology, construction management, topographic and boundary surveys, and alternative energy design including hydroelectric and solar.

WebsitePhone1 office3 projectsFounded 1989Updated Jun 2026

Project: Ivins VA Home

Service: Civil EngineeringService: Municipal EngineeringService: Planning and DevelopmentIndustry: GovernmentIndustry: FederalType: Civil Engineering+22 more

Ambiotec Civil Engineering Group, Inc.

Brownsville, TX

Civil engineering & environmental group

WebsitePhone2 offices7 projects6 leadersFounded 1986Size Estimate: 11-50 employees

Project: Robindale WWTP Rehabilitation and Expansion

Service: Land DevelopmentService: Feasibility studies & site assessmentsService: Master planning and concept plansIndustry: Land DevelopmentIndustry: GovernmentType: Civil Engineering+46 more

Anderson Bogert

Marion, IA

Professional and relationship-based civil engineering and surveying.

WebsitePhone2 offices6 leaders5 credentialsFounded 1955Size Estimate: 10-49 employees

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway designService: Stormwater managementIndustry: GovernmentIndustry: ResidentialType: Civil Engineering+26 more

Anderson Design Consultants, Inc.

Mesa, AZ

Fresh ideas from dedicated water and wastewater experts.

WebsitePhone2 offices3 leadersUpdated Jun 2026

Service detail: Wastewater Engineering

Service: Wastewater EngineeringService: Wastewater Treatment DesignService: Wastewater Collection System DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+12 more

Andes Engineering LLC

Phoenix, AZ

Andes Engineering is an Arizona-based civil and drainage design consulting firm specializing in public and private infrastructure improvement projects. Since 2004, it has provided services from value engineering and planning through post-design, with core expertise in site grading, hydrologic and hydraulic modeling, channel and detention design, erosion control, culvert design, storm drain systems, and bridge drainage design.

WebsitePhone1 officeFounded 2004Updated Jun 2026

Service detail: Site Civil Design

Service: Site Civil DesignService: Hydrologic and Hydraulic EngineeringService: Hydrologic and Hydraulic ModelingIndustry: InfrastructureIndustry: Stormwater & Flood ControlType: Civil Engineering+14 more

Apex Companies Llc Or

Rockville, MD

Shaping a safe, sustainable, and equitable future.

Website1 office1 credentialsFounded 1988Updated Jun 2026

Service detail: Health and Safety

Service: EnvironmentalService: Health and SafetyService: Health and Safety TrainingIndustry: AerospaceIndustry: AviationType: Environmental Engineering+43 more

Apex Engineering, LLC

Tacoma, WA

Our hands-on management philosophy allows us to give each project our personal attention and assures high quality results.

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Washington Water Service Company On-Call Engineering

Service: Civil EngineeringService: Site Development DesignService: Stormwater and Drainage SystemsIndustry: CommercialIndustry: GovernmentType: Civil Engineering+19 more

Arceneaux Wilson & Cole LLC

Port Arthur, TX

Create. Build. Sustain.

WebsitePhone1 office5 leaders16 credentialsFounded 1988Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Water supply, treatment, storage, and distributionService: Wastewater collection, treatment, and disposalIndustry: GovernmentIndustry: TransportationType: Civil Engineering+38 more