| Business | Phone |
| North American Safety Valve 1500 Iron St, Kansas City 64116 | (816) 421-7042 |
| Sporlan Valve Co 8080 Ward Pkwy # 175, Kansas City 64114 | (816) 361-3130 |
| Midland Metal Mfg 1219 Lydia Ave, Kansas City 64106 | (816) 842-0493 |
| Mid-States Supply Co 1716 Guinotte Ave, Kansas City 64120 | (816) 842-4290 |
| Arrow Technical Sales 6631 Nw 50th St, Kansas City 64151 | (816) 741-1733 |