Find engineering consulting firms by capability and location.

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

Our Services. Your Success.

Project: Directors Place

Earthworks Engineering Group LLC is a full-service geotechnical engineering and construction materials testing firm based in Albuquerque, New Mexico. Led by Dave Liebelt, P.E., with more than 20 years of geotechnical experience in the Albuquerque area, the team has contributed to over 4,000 residential, commercial, industrial, and civil infrastructure projects. Services include soil drilling and laboratory analysis, concrete and asphalt field sampling and testing, and aggregate evaluation, all conducted to ASTM standards.

Service detail: Geotechnical & Soil Testing

Hollatz Engineering, Inc. (formerly Wilson Engineering, founded 1985) provides third-party construction administration, inspection, special inspection, and materials testing services for civil and building projects in Juneau and Southeast Alaska. With over 35 years of experience and involvement in more than $400 million of construction projects, Hollatz Engineering has supported roads, bridges, airport facilities, marine infrastructure, water and sewer systems, and public buildings throughout the region.

Project: Columbia Blvd, Poplar Ave, and Mendenhall Blvd Reconstruction

Engineering Consulting and Testing Firm

Project: The Cypress Avenue Bridge Replacement Project