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 contact our 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, California
Tempe, Arizona
Lakewood, Colorado
Harrisburg, Pennsylvania
CERTIFIED SMALL BUSINESS ENTERPRISE • SERVICES PROVIDED NATIONWIDE
Primary NAICS Code: 541330
