EXPERIENCE THE DIFFERENCE.
Pipeline Concrete Grading
Local Union No. 783
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Safety is Our Priority. We Strive For A "Zero- Accident" Workplace.
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There is No Project Too Big That
GJ Gentry Can't Handle.
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GJ Gentry Gen Eng Inc. Team.
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BEST EMPLOYEES IN THE INDUSTRY
GJ Gentry General Engineering Inc. is most proud of the people it employs.
GJ Gentry General Engineering Inc
1297 W. 9th Street Upland, CA 91786
Phone: 909.693.3391
Mon. - 7am - 4pm
Tues. - 7am - 4pm
Wed. - 7am - 4pm
Thurs. - 7am - 4 pm
Fri. - 7am - 4pm
Sat. - CLOSED
Sun. - CLOSED