top of page

OPTIMUS LOGISTICS

Scope: 

Pipeline

OPTIMUS LOGISTICS

HEARTLAND RANCHO CUCAMONGA

Scope: 

Grading

Pipeline

Concrete

​

HEARTLAND RANCHO CUCAMONGA

I-5 WATER RELOCATION

Scope: 

Pipeline

​

I-5 WATER RELOCATION

BURBANK

AVION PROJECT

BURBANK

AVION PROJECT

Scope: 

Pipeline

Concrete

Grading

OLIVIO EDINGER

Scope: 

Concrete

OLIVIO EDINGER

OAKMONT HICKORY WAREHOUSE

Scope: 

Concrete

OAKMONT HICKORY WAREHOUSE

SIERRA RIDGE

Scope: 

Pipeline

SIERRA RIDGE

WALMART

RIDGECREST

WALMART

RIDGECREST

Scope: 

Pipeline

Concrete

St. Rte. 395 Bridge

SYCAMORE HILLS PLAZA

Scope: 

Pipeline

SYCAMORE HILLS PLAZA

IPT ARROW ROUTE

Scope: 

Grading

Pipeline

Concrete

​

IPT ARROW ROUTE

HUNTINGTON

BEACH

Scope: 

Pipeline

HUNTINGTON

BEACH

BANNING
DISTRIBUTION
CENTER

BANNING
DISTRIBUTION
CENTER

Scope: 

Pipeline

Concrete

Grading

FEATURED POSTS
CONNECT WITH US
  • GJ Gentry General Engineering Inc.

BEST EMPLOYEES IN THE INDUSTRY

G.J. Gentry General Engineering Inc. is most proud of the people it employs. 

G.J. 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

bottom of page