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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Bruner, Cooper & Zuck, Inc.

Galesburg, IL

Engineers, Architects & Land Surveyors

WebsitePhone3 offices6 projects
Service: Engineering and ArchitectureService: Civil EngineeringIndustry: CommercialType: Architecture & Engineering+38 more

Design Engineers

Cedar Rapids, IA

Zero Energy Building Systems.

WebsitePhone3 offices5 leaders
Service: Mechanical EngineeringService: HVAC DesignIndustry: EducationType: MEP+18 more

Engineering Design Associates, Inc.

Sioux Center, IA

Professional Services from Design Through Construction

WebsitePhone1 office3 projects
Service: Mechanical EngineeringService: HVAC system designIndustry: EducationType: MEP+8 more

Farris Engineering

Omaha, NE

Bringing Your Buildings to Life

WebsitePhone6 officesFounded 1967
Service: Mechanical EngineeringService: HVACIndustry: FederalType: MEP+45 more

Interstates

Sioux Center, IA

Understanding needs. Delivering results.

Website1 officeUpdated Jun 2026
Service: Electrical Engineering and ConstructionService: Electrical EngineeringIndustry: IndustrialType: Electrical Engineering+12 more

Keith Engineering Design Inc

Peoria, IL

All Systems Go.

WebsitePhone4 offices17 leaders
Service: Mechanical EngineeringService: Heating, Ventilation, and Air Conditioning (HVAC)Industry: AviationType: MEP+44 more

Olsson

Lincoln, NE

Engineering trust.

Website10 offices5 projects10 leaders
Service: Civil & Site EngineeringService: Site Design and DevelopmentIndustry: CommercialType: Civil Engineering+41 more

PRVN Consultants Inc

Muscatine, IA

The Proven Solution

WebsitePhone5 officesFounded 2011
Service: District Energy and Combined Heat and PowerService: Combined Heat and Power PlantsIndustry: EducationType: Mechanical Engineering+44 more

Schemmer

Omaha, NE

People Creating Places for People

WebsitePhone9 offices2 projects
Service: ArchitectureService: Interior DesignIndustry: CommercialType: Architecture & Engineering+35 more

Shive-Hattery

Cedar Rapids, IA

People-Centered Design, Architecture + Engineering

Website8 offices1 credentialsSize Estimate: 650 employees
Service: ArchitectureService: Branded EnvironmentsIndustry: CommercialType: Architecture & Engineering+42 more

Stanley Consultants

Muscatine, IA

Connect. Create. Contribute.

Website1 office5 projects1 credentials
Service: Engineering & DesignService: Civil EngineeringIndustry: Power GenerationType: Architecture & Engineering+54 more

West Plains Engineering, Inc.

Rapid City, SD

MEP and power engineering solutions for the Upper Midwest

WebsitePhone4 offices1 projects
Service: Mechanical EngineeringService: Heating, Ventilating and Air ConditioningIndustry: EducationType: MEP+46 more