| Business | Phone |
| Engineered Indstrl Products 222 E Saint Joseph St, Indianapolis 46202 | (317) 684-4280 |
| Gould Solenoid Valve Co 4707 Massachusetts Ave, Indianapolis 46218 | (317) 547-5289 |
| Lawler Manufacturing Inc 5330 E 25th St, Indianapolis 46218 | (317) 261-1212 |