← Plants in Oro Grande, CAAll California plants

Hi-Grade Materials Company ready-mix concrete plant in Oro Grande, CA

Oro Grande Plant · serving Oro Grande, CA 92368 (San Bernardino County)
NRMCA-certified

Hi-Grade Materials Company (Oro Grande Plant) is an NRMCA-certified ready-mix concrete plant serving Oro Grande, 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 #33970
Listed as certified when last checked 2026-07-03 · expires 2027-04-17
Contact
(760) 244-9325
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 Oro Grande, CA to call directly

Send one request and we'll show you certified plants serving your job ZIP area to call directly. Estimates only.

No signup. We'll show you NRMCA-certified plants serving your job ZIP area to call directly. Estimates only, confirm spec and price with the plant.

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 Hi-Grade Materials Company.