Contact Us

To request more information by email, please contact Joseph J. Kulikowski, PE, GE, President and Senior Principal Engineer, by e-mail at gcinfo@genterra.com or please phone or fax to the corporate office at the following location:

Corporate Headquarters
15375 Barranca Parkway, Building L
Irvine, California 92618
Office: (949) 753-8766
Fax: (949) 753-8887
Toll-Free: (888) 423-0111
General E-Mail: gcinfo@genterra.com

Branch Office Locations
Sacramento • San Diego • San Jose, California
Austin, Texas
Harrisburg, Pennsylvania

CERTIFIED SMALL BUSINESS ENTERPRISE • SERVICES PROVIDED NATIONWIDE

Main NAICS Code: 541330

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