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, CA and nearby ZIP areas. Request a ready-mix concrete quote for your pour (concrete strength, approximate size, pour date, and notes like slump or site access) below.
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. Tell us your spec and we'll confirm with the plant. Estimates only.
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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..