Find engineering consulting firms by capability and location.

Building Our World on Solid Foundations

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.

Our Services. Your Success.

The Benchmark for Professional Services

Quality results, timely service.

Over 25 years of experience!

Leaders in Engineering and Geoscience

Certified Precision. Proven Performance.

Delivering exceptional service for 26 years

Engineering Consulting and Testing Firm

Consulting Engineers & Geologists Northern California

Red Rock Consulting is an Oklahoma geotechnical engineering firm founded in 2009. It provides geotechnical engineering services for transportation, federal, education, healthcare, municipal, commercial, oil and gas, and residential projects, and is licensed in Oklahoma, Texas, Kansas, Colorado, and Missouri.

Reese and Associates, Inc. is a geotechnical engineering firm headquartered in Santa Rosa, California, providing consulting and laboratory testing services to residential and commercial clients in the North Bay area. Formed in 2009 from the operations of Giblin Associates, Consulting Geotechnical Engineers, Reese and Associates serves public and private sector clients with geotechnical investigations, subsurface explorations, fault studies, geologic hazard assessments, and in-house laboratory testing performed to ASTM and Caltrans standards. During construction, geotechnical engineers and field technicians provide observation and testing services for site grading, fill placement, and foundation construction.

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