CEMEX California Cement, LLC
16888 N. 'E' St.
Victorville, CA 92394-2999
Phone: (760) 381-7600
Fax: (760) 245-0191

Hi-Grade Materials/Robar Enterprises Inc.
17671 Bear Valley Rd.
Hesperia, CA 92345
Phone: (760) 244-9325
Fax: (760) 948-1576

Mitsubishi Cement Corporation
5808 State Hwy. 18
Lucerne Valley, CA 92356
Phone: (760) 248-7373
Fax: (760) 248-9002

Service Rock Products
16952 'D' St.
Victorville, CA 92393
Phone: (760) 245-7997
Fax: (760) 381-6222
www.servicerock.com

TXI Riverside Cement Company
P.O. Box 158
Oro Grande, CA 92368
Phone: (760) 245-5321
Fax: (760) 243-3567
www.txi.com