EXPERIENCE THE DIFFERENCE.
Pipeline Concrete Grading
SAFETY
Safety is Our Priority. We Strive For A "Zero- Accident" Workplace.
FEATURED PROJECTS
There is No Project Too Big That
GJ Gentry Can't Handle.
CAREERS
Consider Becoming Apart of Our
GJ Gentry Gen Eng Inc. Team.
Local Union No. 783
FEATURED POSTS
CONNECT WITH US
GJ Gentry General Engineering Inc
1297 W. 9th Street Upland, CA 91786
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Phone: 909.693.3391
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Mon. - 7am - 4pm
Tues. - 7am - 4pm
Wed. - 7am - 4pm
Thurs. - 7am - 4 pm
Fri. - 7am - 4pm
Sat. - CLOSED
Sun. - CLOSED