
A1 Consulting Group, Inc.
Raleigh-Durham, NCLeaders in Design, Construction, and Environmental Services
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Leaders in Design, Construction, and Environmental Services
Enhancing communities and the built environment.

Value engineering to build a safer tomorrow.

Building Tomorrow's Legacy, Today

Your project is our priority.

Technical expertise and sound analysis for your mining project, both large and small.

Solid Relationships. Solid Solutions.

We build quality into every project.
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.

Providing High Quality Results in a Cost Effective and Timely Manner
Critical investigations, testing, analysis, and design for a more certain world

Engineering consulting and construction support services in the New York Metropolitan Area

Ammonite Resources provides geotechnical and economic advisory services for the petroleum and mineral industries worldwide. Established in 1982, it assists clients with investment due diligence, strategic planning, international contract negotiations, corporate finance, and acquisitions and divestitures. It is headquartered in Connecticut with a network of associate offices across the United States, Canada, and the United Kingdom.

Specializing in Geotechnical/Environmental Engineering and Quality Assurance/Control Testing
Industry-leading expertise with innovation and unparalleled work ethic
Andrews Engineering Inc. is a full-service, multi-disciplinary engineering organization serving clients in Illinois, Indiana, and Missouri for more than 40 years. Integrity, commitment, and quality are at the core of every engagement, and the firm delivers innovative, practical, and cost-effective solutions across geotechnical, environmental, civil, water resources, and remediation engineering disciplines. Andrews Engineering operates five offices across the Midwest: Springfield and Pontiac and Lombard in Illinois, Indianapolis in Indiana, and Warrenton in Missouri.
Angle Engineering is a geotechnical engineering, environmental services, special inspection, and construction materials testing firm based in Las Vegas, Nevada, serving residential, commercial, and public-sector clients throughout Nevada. The practice employs registered Geological Engineers and Civil Engineers and operates an AASHTO-accredited in-house laboratory for materials testing. Angle Engineering has extensive experience with challenging Nevada soil and groundwater conditions including collapsible silts, expansive clays, caliche, cemented materials, and hillside sites.
Engineers and Scientists
Geotechnical, environmental, and materials testing services in South Florida
Quality that sets the Standard
45 years of excellence
Your Partner in Geotechnical & Environmental Engineering
Geotechnical, Geological and Environmental Consultants

Globally Recognized Environmental Engineering