Sierra Geotechnical Services Inc. - SGS
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Home» Contact

Contact Us

We have Three locations to serve you and many ways for you to contact us.

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    Mammoth Lakes Headquarters

    Mammoth Phone: 1 (760) 937-4608
    Mammoth Fax: 1 (760) 934-5619
    info@sgsi.us
    Office Address: 569 Old Mammoth Road, Ste 222, Mammoth Lakes, CA 93546
    Directions: Google Maps

    Mammoth Lakes Mailing Address

    P.O. Box 5024
    Mammoth Lakes, CA 93546

    Bishop Laboratory

    Bishop Phone: 1 (760) 937-4789
    Bishop Fax: 1 (760) 873-4723
    info@sgsi.us
    Laboratory/Shipping Address: 169 Willow Street, Bishop, CA 93514
    Directions: Google Maps

    Bishop Mailing Address

    873 North Main Street #150
    Bishop, CA 93514

    Carlsbad Office

    Carlsbad Phone: 1 (760) 937-4608
    info@sgsi.us
    Office Address: 7040 Avenida Encinas, Ste. 104-469, Carlsbad, CA 92011

    Directions: Google Maps

    Job Opportunities

    Field Technician

    Two years minimum experience as Field or Laboratory Technician is required.

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    Relevant Projects

    • Mammoth Hospital
    • Caltrans – LADWP Aqueduct Bridge at Manzanar
    • The Village at Mammoth
    • Northern Inyo Hospital District
    • Town of Mammoth Lakes Bike Path
    • Westin Monache
    • Kern Community College District
    • CARMA
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