| Business | Phone |
| A & B Aerospace Inc 612 S Ayon Ave, Azusa 91702 | (626) 334-2976 |
| Aph Tool & Manufacturer 139 S Irwindale Ave, Azusa 91702 | (626) 334-9516 |
| Dyad Precision Engineering 298 S Irwindale Ave, Azusa 91702 | (626) 969-5965 |
| Emond Manufacturing 850 W Foothill Blvd # 29, Azusa 91702 | (626) 969-7466 |
| G C Smith Machine Co 231 S Irwindale Ave, Azusa 91702 | (626) 969-1910 |
| G Dovaston Co 209 S Irwindale Ave, Azusa 91702 | (626) 812-0513 |
| Jade Precision Inc 111 S Peckham Rd, Azusa 91702 | (626) 334-9373 |
| Jam Precision Products 1535 W Mckinley St # 5, Azusa 91702 | (626) 969-8296 |
| A & W Machine Co 149 S Irwindale Ave, Azusa 91702 | (626) 812-4415 |
| Acme Portable Machines Inc 1330 Mountain View Cir, Azusa 91702 | (626) 610-1888 |
| C & C Technology 209 S Irwindale Ave, Azusa 91702 | (626) 815-8852 |
| Claro's Cylinder Head & Rmfg 844 N Vernon Ave # 4, Azusa 91702 | (626) 969-4700 |
| Classic Wheel Llc 204 S Irwindale Ave, Azusa 91702 | (626) 815-1577 |
| P T Productions 320 S Motor Ave, Azusa 91702 | (626) 334-9365 |
| Preco Manufacturing Co 1101 W Foothill Blvd # 7, Azusa 91702 | (626) 969-0321 |
| Qualidyne Systems Inc 850 W Foothill Blvd, Azusa 91702 | (626) 969-5200 |
| Rayvid Manufacturing 1537 W Mckinley St # 10, Azusa 91702 | (626) 812-6526 |
| Steve's Machine Shop 753 E Arrow Hwy, Azusa 91702 | (626) 967-0782 |