Find engineering consulting firms by capability and location.

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.

Project: Mirador

Leaders in Design, Construction, and Environmental Services

Project: RDU Airport Terminal 2 Expansion

Multidisciplinary engineering and support services in the Baltimore-Washington area

Project: WMATA Bus System Renovations

Geotechnical engineering, material testing, special inspections, and drilling services in Arizona

Service detail: Geotechnical Engineering

ACT ONE & Associates is a consulting engineering and land surveying firm established in 2012 and based in Harrisburg, Pennsylvania. Licensed in Pennsylvania as Professional Engineers, Professional Land Surveyors, and a Sewage Enforcement Officer, the firm serves builders, contractors, developers, individual property owners, institutions, and municipalities with a broad range of civil, environmental, and structural engineering services.

Service detail: Land Surveying

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Service detail: Environmental Services

Engineering with integrity & purpose.

Project: The Virginia Vanguard

APEC Engineering, Inc. is an innovative, locally owned and operated civil engineering firm licensed in Montana and serving northwest Montana since 1998. Headquartered in Somers, Montana, APEC's team of highly qualified professionals provides civil engineering services including water resources, land development, environmental permitting, planning, and construction engineering to clients across Montana and North Dakota. APEC Engineering is committed to efficient design, modern capabilities, and hands-on consulting, serving communities in Kalispell, Bigfork, Whitefish, Columbia Falls, and throughout the region.

Project: The Wilderness Club

Precise. Responsive. Solutions.

Project: Annapolis Landfill Solar

Value engineering to build a safer tomorrow.

Service detail: Geotechnical and Geological Studies

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.

Service detail: Civil Engineering

Unwavering Quality. Reliable Results.

Project: Pierre SD Wastewater Treatment Plant

Geotechnical, Civil, and Structural Engineering Across California and the Western States

Project: LA Metro Gold Line - MSE Wall

Building Tomorrow's Legacy, Today

Service detail: Materials Testing Laboratory

Texas Civil Engineering Professionals

Project: Iowa Colony City Engineer

Building Our World on Solid Foundations

Project: Honolulu Rapid Transit Project

Geotechnical engineering, materials testing, and QA/QC services

Project: Spaceport America

Communicating With Technical Accuracy About Your Project So You Can Proceed With Confidence

Project: Broken Arrow Senior Center

Aina Engineers Inc is a civil engineering firm specializing in wastewater engineering and land development on the Big Island of Hawaii. Based in Kailua-Kona, the firm provides septic system design and permitting, aerobic system consulting, cesspool conversions, grading and drainage, flood studies, geotechnical engineering, traffic studies, and construction inspection services throughout the Kona region and surrounding areas.

Service detail: Wastewater Engineering

Diverse Projects. Solutions That Last.

Project: Bozeman Public Safety Center

Certified engineering professionals

Service detail: Geotechnical and Civil Engineering

Alpha Geotechnical & Materials, Inc. is a Tempe, Arizona-based consulting practice founded in 1998, specializing in geotechnical and environmental engineering, geological services, construction inspections, and materials testing. It serves public and private clients on projects ranging from single commercial pads to large master-planned communities across the Phoenix metro area, delivering timely, accurate, and cost-effective field and laboratory testing.

Project: Microchip Technology C6 Building

Geotechnical Engineering and Soil Testing

Service detail: Geotechnical Engineering

Partnering to Build & Protect What Matters Most

Project: ADOT I-10 Tucson Reconstruction