Holliday Rock Co. | Upland, CA

Holliday Rock Co. | Upland, CA – Southern California producer supplies ready-mix for everything from commercial buildings to parking decks, and for specialty applications such as stamped concrete hard-scapes and faux rock structures in stores. In addition to 13 ready-mix concrete plants, it operates seven aggregate plants and eight hot-mix asphalt plants, all serving a five-county area. Holliday Rock has operated in California for almost 70 years. www.hollidayrock.com