Public engineering firm directory

Find engineering consulting firms by capability and location.

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18 Grados Corp

San Juan, PR

18 Grados Design is a multidisciplinary design-build architecture and engineering practice based in Puerto Rico, specializing in contemporary design and comprehensive project development. Founded in 2013, the practice delivers a diverse range of services encompassing architecture, civil and structural engineering, permitting, and construction management. It supports projects across multiple sectors, ranging from custom single-family residences to complex retail expansions and mixed-use developments. By integrating design and construction under a single collaborative framework, 18 Grados Design streamlines the execution of both small-scale renovations and large-scale commercial developments.

Website1 office6 projects3 leadersFounded 2013Updated Jun 2026

Project: Mirador

Service: ArchitectureService: DesignService: Conceptual DesignIndustry: ResidentialIndustry: CommercialType: Architecture & Engineering+23 more

A2H

Memphis, TN

Full service planning and design.

Website5 offices5 projects16 leaders2 credentialsFounded 2022Updated Jun 2026

Project: Pacific Industries Manufacturing Facility

Service: ArchitectureService: Interior DesignService: Master PlanningIndustry: HealthcareIndustry: EducationType: Architecture & Engineering+60 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AES Group, Inc.

Parker, CO

Providing Engineering and Architecture Services Since 2002

WebsitePhone1 office4 projects5 leaders20 credentialsFounded 1988

Project: Pikes Peak National Cemetery Master Plan & Design

Service: Civil EngineeringService: Site DesignService: GradingIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+38 more

AES Northeast

Plattsburgh, NY

Architecture | Engineering | Surveying

WebsitePhone2 offices1 projects2 leadersFounded 1988Size Estimate: 11-50 employees

Project: Square Dashnaw Road Bridge Replacement

Service: ArchitectureService: Architectural Design & DocumentationService: Building Condition Surveys & Structural AnalysisIndustry: GovernmentIndustry: EducationType: Architecture & Engineering+27 more

ATC Design Group

Escondido, CA

California's Only One Stop Shop

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Planning and Permitting

Service: Planning and PermittingService: EntitlementsService: Permit ExpeditingIndustry: CommercialIndustry: RetailType: Architecture & Engineering+37 more

Abonmarche Consultants, Inc.

Many Disciplines One Team

Website2 projects10 credentials2 publicationsFounded 1979Size Estimate: 200-250 employeesUpdated Jun 2026

Project: Haven Hollow Park Improvements

Service: Civil EngineeringService: Stormwater ManagementService: Utility EngineeringIndustry: GovernmentIndustry: InfrastructureType: Architecture & Engineering+57 more

Akana

Portland, OR

Engineering, Design & Construction Services, Plus Advisory and Grant Support

WebsitePhone5 offices5 projects1 leadersUpdated Jun 2026

Project: New Taholah K-12 School

Service: Engineering ServicesService: Civil EngineeringService: Structural EngineeringIndustry: FederalIndustry: GovernmentType: Civil Engineering+34 more

Albert Kahn Associates, Inc.

Detroit, MI

Improving Life Through Design

Website1 office11 projects4 leadersUpdated Jun 2026

Project: VinFast Auto USA

Service: ArchitectureService: Condition Assessment ReportService: Existing Facilities EvaluationIndustry: IndustrialIndustry: ManufacturingType: Architecture & Engineering+42 more

Allen & Hoshall

Memphis, TN

Engineers - Architects - Surveyors

WebsitePhone9 offices7 projects13 leaders4 credentialsFounded 1915

Project: Chattanooga Terminal Expansion and Renovation

Service: ArchitectureService: PlanningService: Construction DocumentationIndustry: AviationIndustry: EducationType: Architecture & Engineering+35 more

Applied Technologies, Inc.

Brookfield, WI

Clear Thinking

WebsitePhone2 offices4 projects2 leaders2 credentialsFounded 1986

Project: Watertown New Water Treatment Facility

Service: Water and Wastewater EngineeringService: Municipal WastewaterService: Industrial WastewaterIndustry: WastewaterIndustry: Water SupplyType: Architecture & Engineering+31 more

Arseal Technologies, Inc.

Let's Engineer the Future

Website7 leadersUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Architectural DesignService: Site Planning and DesignIndustry: IndustrialIndustry: ManufacturingType: Architecture & Engineering+24 more

Bruner, Cooper & Zuck, Inc.

Galesburg, IL

Engineers, Architects & Land Surveyors

WebsitePhone3 offices6 projects2 credentialsUpdated Jun 2026

Project: Cardinal Point Wind Farm

Service: Engineering and ArchitectureService: Civil EngineeringService: Structural EngineeringIndustry: CommercialIndustry: RetailType: Architecture & Engineering+36 more

C2AE

Lansing, MI

Create ahead.

WebsitePhone2 offices12 projects1 leadersFounded 1966Updated Jun 2026

Project: Portage Central Athletic Fields

Service: Architecture and DesignService: ArchitectureService: Interior DesignIndustry: Arts & CultureIndustry: EducationType: Architecture & Engineering+31 more

CEMS Engineering

Summerville, SC

Delivering creative and efficient multidiscipline solutions for facilities and infrastructure needs.

WebsitePhone2 offices2 leadersFounded 1989Updated Jun 2026

Service detail: Architecture and Interior Design

Service: Architecture and Interior DesignService: ArchitectureService: Interior DesignIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+16 more

CMA Architects & Engineers LLC

Guaynabo, PR

Designing Today the Puerto Rico of Tomorrow

WebsitePhone1 office23 leadersUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Space ProgrammingService: Facilities Master PlanningIndustry: Affordable HousingIndustry: CommercialType: Architecture & Engineering+113 more

Civil Design & Engineering, Inc.

Flagstaff, AZ

Building tomorrow's infrastructure, today

WebsitePhone2 officesFounded 1996Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Stormwater ManagementService: LOMR (Letter of Map Revision)Industry: ResidentialIndustry: CommercialType: Civil Engineering+20 more

Clark & Enersen

Lincoln, NE

Clark & Enersen is a full-service multidisciplinary architecture and engineering practice founded in 1946 in Lincoln, Nebraska. With more than 80 years of practice, Clark & Enersen brings together architects, engineers, interior designers, and landscape architects under one roof to deliver integrated design solutions for clients across the country and internationally. The practice operates eight office locations and maintains a team of over 180 professionals across disciplines including architecture, civil, structural, mechanical, and electrical engineering.

Website1 officeFounded 1946Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: ProgrammingService: Schematic DesignIndustry: HealthcareIndustry: Life SciencesType: Architecture & Engineering+30 more

Clark Nexsen

Raleigh, NC

Clark Nexsen is a transdisciplinary architecture and engineering practice founded in 1920, with nearly 400 employees across nine offices. It joined JMT in 2025. It provides architecture, civil, structural, mechanical, electrical, fire protection, process, and transportation engineering services to clients in education, defense, government, healthcare, commercial, and infrastructure markets across the United States.

WebsitePhone1 office5 projects1 leaders3 credentialsFounded 1920

Project: Madera Cyber Innovation Center

Service: ArchitectureService: Interior DesignService: Urban Design + PlanningIndustry: CommercialIndustry: EducationType: Architecture & Engineering+42 more

Conus Design

Elevating design through integrated engineering.

Website5 projectsUpdated Jun 2026

Project: WSU

Service: ArchitectureService: EngineeringService: HVAC & Mechanical SystemsIndustry: HealthcareIndustry: Arts & CultureType: Architecture & Engineering+11 more

Cushing Terrell

Billings, MT

Imagine. Create. Improve.

WebsitePhone17 offices7 projects2 leaders4 credentialsFounded 1938

Project: Google Henderson Hub

Service: ArchitectureService: Historic PreservationService: Adaptive ReuseIndustry: CommercialIndustry: EducationType: Architecture & Engineering+38 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

DJG Inc.

Williamsburg, VA

Design Like You Mean It!

WebsitePhone2 offices14 projectsFounded 1976Size Estimate: 1-50 employeesUpdated Jun 2026

Project: Hampton Roads Sanitation District - Water Quality Service Office

Service: ArchitectureService: New building designService: Renovation and adaptive reuseIndustry: DefenseIndustry: GovernmentType: Architecture & Engineering+21 more

DLZ Corporation

Columbus, OH

Innovative Ideas | Exceptional Design | Unmatched Client Service

WebsitePhone1 office9 projects3 leaders5 credentialsSize Estimate: 500+ employees

Project: SR 161 at Maple Canyon Avenue

Service: Transportation EngineeringService: Interchange and Highway DesignService: Bridge Design and RestorationIndustry: Highways & RoadsIndustry: TransportationType: Architecture & Engineering+73 more