- 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 (Irwindale, CA)
- …asphalt manufacturing, and Sully-Miller Contracting executes the projects. Mining of construction aggregates at United Rock Products in the San Gabriel Valley has ... areas which can include, but not limited to: dredge, plant , dust machines, support equipment, and lake areas. The...$43.95 Main Responsibilities + Reports directly to the Aggregate Manager and/or Superintendent + Ensures that production product is… more