Built on Science. Driven by Solutions.

Geo-Logic Associates is a 100% employee-owned environmental, civil, hydrogeological, and geotechnical engineering consulting firm.

Since 1991, GLA has delivered practical, science-based solutions that help clients solve complex challenges and create lasting value.

Markets

Solid Waste  ›› Mining  ›› Environmental  ›› Water  ›› Infrastructure  ›› Expert Services  ›› Carbon Management  ››

Services

Civil Engineering  ›› Construction Support  ›› Environmental  ›› Geology  ›› Geotechnical Engineering  ›› Heap Leach Injection  ›› Hydrogeology/ Hydrology  ›› Soil Laboratory  ››

Growth of the Geo-Logic Team

Geo-Logic Honduras

Geo-Logic Honduras provides mining, environmental, geotechnical, and water resources expertise.
Joined in 2026. 1 location: Tegucigalpa, Honduras.

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Andrews Engineering Inc. delivers innovative, practical, and cost-effective engineering solutions for clients across the Midwest.
Joined in 2026. 5 locations: Illinois, Missouri, Indiana.

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John Shomaker & Associates, Inc. offers expert hydrogeology solutions for water challenges across the Southwest.
Joined in 2025. 1 location: Albuquerque, New Mexico.

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RGH Consultants Inc provides practical geotechnical solutions backed by decades of engineering expertise.
Joined in 2025. 1 office: Santa Rosa, California.

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Loughlin Water Associates, LLC provides expert water resource and geoscience solutions for complex challenges.
Joined in 2025. 1 location: Park City, Utah.

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Summit Water Resources, LLC offers Pacific Northwest water resource expertise built on proven experience.
Joined in 2022. 1 location: Portland, Oregon.

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The MINES Group, Inc. is a geoenvironmental consulting and engineering firm delivering responsive mining services globally.
Joined in 2021. 1 location: Reno, Nevada.

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Geo-Logic Perú offers geotechnical solutions to mining, energy, construction, and infrastructure sector clients.
Joined in 2017. 1 location: Lima, Peru

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Clear Creek Associates, LLC provided practical solutions in groundwater science.
Joined in 2016. 2 locations: Scottsdale and Tucson, Arizona.

Daniel B. Stephens & Associates, Inc. provided water resource, engineering, and environmental consulting services.
Joined in 2015. 8 locations in California, Colorado, New Mexico, Texas, and Maryland.

RMC Geoscience, Inc.
Joined in 2014. 2 locations: Petaluma, California.

Applied Soil Water Technologies
Joined in 2014. 1 location: Sparks, Nevada.

Kunkel Engineering Group, LLC builds relationships that build communities in Wisconsin.
Joined in 2010. 2 locations: Beaver Dam and West Bend, Wisconsin.

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Pacific Geotechnical Engineering
Joined in 2001. 1 location: Morgan Hill, California.

Constant & Dickey, Inc. Geoscience
Joined in 2001. 1 location: Anaheim, California.

About Our Company

Featured News

Heap Leach Injection: The Basics

Geo-Logic Associates’ Heap Leach Injection Service Manager, Stephen Morrow, PE, has published the first bulletin in a new series exploring heap leach injection, also known as enhanced metal recovery (EMR). This introductory bulletin explains how heap leach injection, can help recover additional gold, silver, and copper from existing heap leach operations, improving resource recovery and […]
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