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

Amped I LLC

Chicago, IL

We engineer & design systems for the reliability of the power grid.

Website1 office4 projects2 leaders
Service: Protection & ControlService: Relay ProtectionIndustry: Power Transmission & DistributionType: Power & Utility Engineering+36 more

Bartoszek Engineering

Aurora, IL

Mechanical Design for the Research Community World-wide

WebsitePhone1 office4 projects
Service: Mechanical DesignService: Conceptual DesignIndustry: NuclearType: Mechanical Engineering+14 more

C.C. Johnson & Malhotra, P.C.

Baltimore, MD

Provide the Highest Level of Service to Our Clients While Delivering Value

WebsitePhone6 offices16 projects
Service: Buildings and FacilitiesService: HVAC Systems DesignIndustry: CommercialType: Civil Engineering+60 more

David Mason + Associates

St. Louis, MO

Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.

WebsitePhone7 offices7 projects
Service: Civil EngineeringService: Structural EngineeringIndustry: HealthcareType: Civil Engineering+22 more

K2N Crest

Oak Brook, IL

Where Architectural Vision Meets Structural Precision

WebsitePhone2 officesUpdated Jun 2026
Service: ArchitectureService: Healthcare facilitiesIndustry: HealthcareType: Architecture & Engineering+18 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

Kiran Consultants Inc

Downers Grove, IL

Reliable, innovative engineering expertise for the power generation industry

WebsitePhone1 office1 projects
Service: Civil and Structural EngineeringService: Structural Design and EvaluationIndustry: NuclearType: Civil Engineering+29 more

Lochner

Chicago, IL

Trusted Infrastructure Services for Aviation, Transportation, and Water

WebsitePhone1 office8 projects
Service: AviationService: Airport PlanningIndustry: AviationType: Civil Engineering+43 more

Luck Grove Telecom Inc

Syracuse, NY

The Future Starts Now

WebsitePhone3 offices5 leaders
Service: Data CollectionService: Municipal Data CollectionIndustry: GovernmentType: Environmental Engineering+35 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

SINGH + Associates

Chicago, IL

Experience. Reliability. Integrity.

WebsitePhone1 office2 projects
Service: Civil EngineeringService: Transportation EngineeringIndustry: GovernmentType: Civil Engineering+21 more

Salazar Technical Services LLC

Cicero, IL

Expert Consulting Services in Engineering, Construction and Project Management

Website1 office1 leadersSize Estimate: 2-20 employees
Service: Project Management & ConsultingService: Turnkey Project ManagementIndustry: Food & BeverageType: Civil Engineering+26 more

Savis Inc

Chicago, IL

Innovative and compliant GMP solutions for the healthcare and life sciences industries

WebsitePhone1 office3 leaders
Service: ManagementService: Turnkey Project ManagementIndustry: PharmaceuticalType: Automation & Controls+26 more

SoluComp

Crystal Lake, IL

Field Services, Engineering, and Logistics for Telecommunications Networks

Website1 officeUpdated Jun 2026
Service: Wireless Network IntegrationService: RAN Element Scripting and ProvisioningIndustry: TelecommunicationsType: Telecom / RF Engineering+23 more

Toltz, King, Duvall, Anderson and Associates, Incorporated

Minneapolis, MN

Engineering | Architecture | Planning

Website6 offices12 projects1 leaders
Service: Transportation EngineeringService: Aviation EngineeringIndustry: TransportationType: Civil Engineering+44 more

Valdes Architecture & Engineering

Lombard, IL

Unmatched talent leads to extraordinary results.

WebsitePhone3 offices18 projects
Service: ArchitectureService: Engineering DesignIndustry: Oil & GasType: Architecture & Engineering+41 more