| Business | Phone |
| Taitech Machine Tool Inc 2312 Coneflower Ln, Algonquin 60102 | (630) 629-9000 |
| Target Manufacturing Inc 33w961 Bolz Rd, Algonquin 60102 | (847) 426-1001 |
| Cyclotron Corp 1750 Cumberland Pkwy # 7, Algonquin 60102 | (847) 854-1316 |
| Duro-Life Corp 2401 Huntington Dr N, Algonquin 60102 | (847) 854-1044 |
| Peters Micro-Matic Products 1035 W Algonquin Rd, Algonquin 60102 | (847) 658-5400 |
| J W Starrett Co 9880 Haegers Bend Rd, Algonquin 60102 | (847) 658-4614 |