CalPortland Company ProView

General Information for:
CalPortland Company

Ontario, California 91762-4002
(909) 983-9789

General Information for:
CalPortland Company

Ontario, California 91762-4002
(909) 983-9789



About CalPortland Company

Ontario, California 91762-4002

CalPortland Company aka Southwest Concrete Products is a multi-faceted company offering an array of services.  Since 1966 we have been serving California with all its concrete, septic and retaining wall needs.  Below please find a list of services that we provide:

Concrete

  • Manufacturers of Precast Manhole Products
  • Jobsite Delivery
  • Sewer & Storm Drain Manholes
  • Drain Boxes
  • C.I. Rings & Covers
  • P.V.C. & H.D.P.E. Lined Manholes (36", 48", 60", 72", 84", 96" & 144")
  • Plastic Pipe
  • C.I. Frames & Grates
  • Fiberglass Septic Tanks
  • P.V.C. Truss Pipe
  • Flo Gard / Flo Gard Plus
  • Grade Rings
  • Norweco / Singulair

Septic Tanks

  • Manufacturer & Distributor for Norweco / Singulair
  • Wastewater Treatment Facilities
  • Energy-Efficient Alternative to Septic Tanks

Retaining Wall Systems:

  • Redi-Rock International Retaining Wall Systems
  • Attractive, Natural Rock Appearance
  • Strength & Mass - Blocks Up to 3500 Pounds Each
  • Unique Interlocking System
  • Heights to 15' with No Geogrid

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