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Holliday Rock Company, Inc. ready-mix concrete plant in Ontario, CA

Mission Plant 28-1 · serving Ontario, CA 91761-1933 (San Bernardino County)
NRMCA-certified

Holliday Rock Company, Inc. (Mission Plant 28-1) is an NRMCA-certified ready-mix concrete plant serving Ontario, CAand nearby ZIP areas. Describe your pour below (concrete strength, approximate size, pour date, and notes like slump or site access) and we'll show you the certified plants serving your ZIP to call directly.

Certification
NRMCA cert #35669
Listed as certified when last checked 2026-07-03 · expires 2028-04-11
Contact
909-982-1553
Location is ZIP-area approximate; confirm exact address with the plant.

Available strengths (PSI), slump, and admixtures aren't verified here. Confirm your spec with the plant when you call. Estimates only.

See NRMCA-certified ready-mix plants near Ontario, CA to call directly

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More NRMCA-certified plants in Ontario, CA

Holliday Rock Company, Inc.
Mission Plant 28-2 · Ontario, CA 91762
NRMCA-certified

Source: NRMCA Currently Certified Plants directory. Ready Mix Concrete is an independent directory of NRMCA-certified ready-mix concrete plants and is not affiliated with Holliday Rock Company, Inc..