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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BKL, Inc.

Tulsa, OK

Inspired and purposeful designs to enhance and connect communities.

WebsitePhone1 office3 projects4 leadersFounded 1946Updated Jun 2026

Project: Rogers County Courthouse

Service: ArchitectureService: Architectural DesignService: Construction AdministrationIndustry: GovernmentIndustry: InfrastructureType: Architecture & Engineering+14 more

CEC Corporation

Oklahoma City, OK

Get Stuff Built Right

WebsitePhone8 offices18 leaders4 credentialsFounded 1921Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Transportation Design and PlanningService: Bridge Design and InspectionsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+28 more

Cherry Pi Engineering LLC

Tulsa, OK

Engineering Judgment. Proven at Every Scale.

WebsitePhone1 office2 leaders1 credentialsSize Estimate: 2-10 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Condition AssessmentsService: Foundation Inspections & CertificationsIndustry: CommercialIndustry: ResidentialType: Civil Engineering+32 more

Cyntergy

Tulsa, OK

It's Relationships We Build

Website1 office15 projects22 leadersFounded 1997Updated Jun 2026

Project: U.S. Pentagon

Service: Civil EngineeringService: Site DevelopmentService: Grading and EarthworkIndustry: CommercialIndustry: IndustrialType: Architecture & Engineering+44 more

ENGlobal Corporation

Houston, TX

Delivering Innovation

WebsitePhone3 officesUpdated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Program ManagementService: Front-End Engineering and Design (FEED)Industry: Oil & GasIndustry: PetrochemicalType: EPC+26 more

Forge25

Brighton, MI

Forging Critical Infrastructure That Lasts.

WebsitePhone3 officesFounded 2013Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Delivers Expert AnalysisService: Resilient Design Solutions To Ensure The Long-term IntegrityIndustry: TelecommunicationsIndustry: UtilitiesType: Structural Engineering+24 more

Guernsey

Oklahoma City, OK

Realize the Difference

WebsitePhone5 offices7 projects6 leaders5 credentialsFounded 1928

Project: Boeing High-Bay Research Facility

Service: ArchitectureService: Building DesignService: Interior DesignIndustry: DefenseIndustry: FederalType: Architecture & Engineering+35 more

HP Engineering, Inc.

Rogers, AR

Designing building systems that enhance the quality of life

WebsitePhone6 offices3 leaders1 credentialsFounded 2007Size Estimate: 50-99 employees

Service detail: MEP Engineering

Service: MEP EngineeringService: Mechanical Engineering (HVAC)Service: Electrical EngineeringIndustry: CommercialIndustry: EducationType: MEP+26 more

Holtzen Engineering Group P.C.

Enid, OK

Holtzen Engineering Group P.C. is a civil and structural engineering practice serving architects, owners, and municipalities across Oklahoma and surrounding states. Holtzen Engineering Group provides structural design for residential, commercial, institutional, and government buildings, as well as civil engineering services focused on land development, site utilities, drainage, and roadway improvements. Primary service territory for land development spans Northwestern and North Central Oklahoma from Woodward to Stillwater and from Oklahoma City to the Kansas border.

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Apartment complexesService: Affordable housingIndustry: CommercialIndustry: ResidentialType: Structural Engineering+30 more

Larson Design Group, Inc.

Williamsport, PA

National Presence. Hyper-Local Focus.

WebsitePhone18 offices4 leadersFounded 1986Updated Jun 2026

Service detail: Civil Engineering

Service: Architecture & Interior DesignService: Civil EngineeringService: Site/Land DevelopmentIndustry: CommercialIndustry: EducationType: Architecture & Engineering+78 more

Level Engineering & Architecture

Loveland, CO

Level Engineering and Architecture is a multidisciplinary civil and structural engineering and architecture firm headquartered in Loveland, Colorado, with 12 offices across 7 states. It serves homeowners, commercial building owners, contractors, developers, and local government clients with structural engineering, civil engineering, architecture, and inspection services. With over 25,000 projects completed and 500+ five-star reviews, Level provides stamped drawings and signed plans for permitting, structural inspections, load-bearing assessments, foundation engineering, and forensic reports. Civil services include hydraulic engineering, drainage engineering, water and wastewater, and bridge engineering.

WebsitePhone13 offices1 leaders1 credentialsUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Load Bearing Wall RemovalService: Foundation EngineeringIndustry: ResidentialIndustry: CommercialType: Structural Engineering+23 more

Merrick & Company

Greenwood Village, CO

Engineering, Architecture, Geospatial.

WebsitePhone28 offices8 projects2 leaders1 credentialsFounded 1954

Project: Frozen Food Production Facility Master Planning

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: AerospaceIndustry: Power GenerationType: Architecture & Engineering+46 more

Olsson

Lincoln, NE

Engineering trust.

Website10 offices5 projects10 leaders16 credentials2 publicationsFounded 1956

Project: Baylor Scott & White Medical Center and Clinic in Pflugerville

Service: Civil & Site EngineeringService: Site Design and DevelopmentService: Land SurveyingIndustry: CommercialIndustry: ResidentialType: Civil Engineering+39 more

PEPM Group PLLC

Tulsa, OK

Creating Value for Global Customers Through Real-World Engineering.

WebsitePhone2 offices2 credentialsSize Estimate: 10-60 employeesUpdated Jun 2026

Service detail: Mechanical Engineering and Evaluation

Service: Mechanical Engineering and EvaluationService: Process and utility piping (ASME B31)Service: HVAC-R design and layoutIndustry: Food & BeverageIndustry: Oil & GasType: Process Engineering+52 more

Parkhill

Lubbock, TX

Providing inventive architecture and engineering solutions for a better future

WebsitePhone4 officesUpdated Jun 2026

Service detail: Architecture and Planning

Service: Architecture and PlanningService: Architectural DesignService: Master PlanningIndustry: EducationIndustry: Water SupplyType: Architecture & Engineering+30 more

Professional Engineering Consultants, PA

Wichita, KS

Building Tomorrow's Solutions Today

WebsitePhone10 offices7 projects16 leaders11 credentialsFounded 1965

Project: Doc B-29 Maintenance and Storage Hangar

Service: Mechanical EngineeringService: HVAC & Piping SystemsService: Plumbing & Piping DesignIndustry: CommercialIndustry: EducationType: Civil Engineering+49 more

Schemmer

Omaha, NE

People Creating Places for People

WebsitePhone9 offices2 projects10 leadersFounded 1959Updated Jun 2026

Project: Capehart Road Overpass at 228th Street

Service: ArchitectureService: Interior DesignService: BIM CoordinationIndustry: CommercialIndustry: HealthcareType: Architecture & Engineering+33 more

Wallace Design Collective, PC

Tulsa, OK

dedicated to the art of possibility.

WebsitePhone8 offices6 projects5 leaders3 publicationsFounded 1981

Project: Petersen Automotive Museum

Service: Building Engineering & InspectionService: Structural EngineeringService: Special InspectionsIndustry: Arts & CultureIndustry: CommercialType: Structural Engineering+21 more