1. United Elevator Company P.O. Box 1123, Upland, CA 91785 Coordinate: 34.0996,-117.6461 Phone: (818) 640-0041
2. C.T.I. Enterprises 1550 Bison St, Upland, CA 91784 Coordinate: 34.12677,-117.62588 Phone: (909) 957-8357