1. Emcal Scientific Inc 14217 Sandhill Rd, Poway, CA 92064 Coordinate: 33.00154,-117.02305 Phone: (858) 486-0207
2. Teledyne RD Instruments Inc 14020 Stowe Dr, Poway, CA 92064 Coordinate: 32.94003,-117.02812 Phone: (858) 842-2600