• Aggregate Laborer

    Upstone Materials (MD)
    …Division, a Colas USA subsidiary. IA manufactures construction aggregates and asphalt in Northwest Pennsylvania, Western New York, and Western Maryland. In ... addition, IA is an industry leader in the northwest PA paving market. The mission...This position is a laborer position at our aggregate plant location . Manaual tasks will be assinged that… more
    Upstone Materials (10/07/25)
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  • Loader Operator

    Upstone Materials (MD)
    …Division, a Colas USA subsidiary. IA manufactures construction aggregates and asphalt in Northwest Pennsylvania, Western New York, and Western Maryland. In ... addition, IA is an industry leader in the northwest PA paving market. The mission...and accidents to supervisors + Responsible to report to Plant Superintendent or Supervisors of any potential safety hazards… more
    Upstone Materials (08/08/25)
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  • Dragline Operator

    Upstone Materials (MD)
    …Division, a Colas USA subsidiary. IA manufactures construction aggregates and asphalt in Northwest Pennsylvania, Western New York, and Western Maryland. In ... addition, IA is an industry leader in the northwest PA paving market. The mission...incidents and accidents to supervisors + Responsible to inform plant superintendent or supervisors of any potential safety hazards… more
    Upstone Materials (07/23/25)
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