HOME ABOUT US PROJECTS CAREERS CONTACT EMPLOYEES CONTACT We'd love to work with you on your next project. Whether you're just getting started, or you need us to step in an existing project, fill out the information below and we'll get back to you promptly. Let's find out how we can help you. Looking to join our team? Check out our careers page. CONNECT WITH US G.J. Gentry General Engineering Inc 1297 W. 9th Street Upland, CA 91786 Phone: 909.693.3391 Name * Email * Subject Message Send Execute your project on time and with exceptional quality. OUR LOCATION OVER 100 YEARS EXPERIENCE OUR SERVICES - Pipeline - Concrete - Grading 1297 W. 9th Street Upland, CA 91789 Phone: 909.693.3391 BUSINESS HOURS Mon. - 7am - 4pm Tues. - 7am - 4pm Wed. - 7am - 4pm Thurs. - 7am - 4 pm Fri. - 7am - 4pm Sat. - CLOSED Sun. - CLOSED pipeline contractor southern California, general contractor southern California, grading southern California, concrete contractor, concrete southern California © 2021 by G.J. Gentry General Engineering Inc.