1. Best Rock Quarry 26282 Neuman Rd, Barstow, CA 92311 Coordinate: 34.91872,-117.08895 Phone: (760) 253-7625
2. Brubaker-Mann Inc 36011 Soapmine Rd, Barstow, CA 92311 Coordinate: 34.90401,-116.98749 Phone: (760) 256-2520