Public engineering firm directory

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Matrix Design Group, Inc.

Colorado Springs, CO

Excellence by Design

Website4 offices12 projects9 leaders25 credentialsFounded 1999Updated Jun 2026

Project: Westminster Regional Rail Transit-Oriented Design

Service: Civil EngineeringService: Site DevelopmentService: Grading & EarthworkIndustry: GovernmentIndustry: FederalType: Civil Engineering+66 more

Nathan D. Maier Consulting Engineers, Inc.

Dallas, TX

Nathan D. Maier Consulting Engineers, Inc. (NDM) is a multi-discipline civil engineering practice based in Dallas, Texas. Founded in 1984, it provides comprehensive services in water resources, water utility, transportation, structural, and development engineering, alongside construction management. The practice serves school districts, municipal infrastructure projects, roadway and bridge initiatives, and urban park and trail developments throughout Texas, Oklahoma, and Arkansas.

WebsitePhone1 office4 projects7 leaders51 credentialsFounded 1984

Project: Old Town Plaza

Service: Water Resources EngineeringService: Hydrologic and Hydraulic AnalysisService: Drainage Infrastructure DesignIndustry: EducationIndustry: Water ResourcesType: Civil Engineering+19 more

QPK Design

Syracuse, NY

QPK Design is an architecture and engineering firm founded in 1958 and headquartered in downtown Syracuse, New York. Established by architects Jack Quinlivan, Pete Pierik, and Al Krause, QPK has expanded from its original architecture practice to encompass structural engineering, landscape architecture, geotechnical engineering, and interior design. Structured as a studio office, its professionals are involved from start to finish for continuity of leadership, and QPK has received over 100 national, regional, and local awards for design and construction excellence across government, education, and other market sectors.

WebsitePhone1 office7 projects12 leaders2 credentialsFounded 1958

Project: NYS Fair Exposition Center

Service: ArchitectureService: Structural EngineeringService: Gravity LoadsIndustry: EducationIndustry: GovernmentType: Architecture & Engineering+37 more

Weston & Sampson

Your world is always changing, & so are we.

Website8 projects6 credentialsUpdated Jun 2026

Project: Church Creek Drainage Basin Flood Reduction Study

Service: PlanningService: Community & Comprehensive PlanningService: Zoning & DevelopmentIndustry: GovernmentIndustry: UtilitiesType: Architecture & Engineering+79 more