• Plant Maintenance Mechanic

    Upstone Materials (ME)
    Plant Maintenance Mechanic Company: UPSTONE Location: Malone Country: USA Type of Contract: Seasonal Publication Date: Aug 16, 2025 Upstone Materials, Inc. is a ... leading manufacturer of aggregates , hot mix asphalt, and ready-mix concrete in northeastern...network visitwww.colas.com. Compensation $20.00-$30.00 Per Hour Job Summary The Crusher Plant Maintenance Technician is responsible for… more
    Upstone Materials (06/20/25)
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  • Plant Mechanic

    Upstone Materials (Irwindale, CA)
    Plant Mechanic Company: UNITED ROCK PRODUCTS Location: Irwindale Country: USA Type of Contract: Regular / Permanent Publication Date: Aug 26, 2025 ... asphalt manufacturing, and Sully-Miller Contracting executes the projects. Mining of construction aggregates at United Rock Products in the San Gabriel Valley has… more
    Upstone Materials (08/27/25)
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