| Type | Style | Company Name | Link |
|---|---|---|---|
| Indicator Posts | Mueller Co. | http//www.muellerindustries.com/ | |
| Indicator Posts | NIBCO, Inc. | http://www.nibco.com | |
| Valve Operators | Overhead Chain | Babbit Steam Specialty Co. | http://www.babbittsteam.com |
| Valve Operators | Overhead Chain | Roto Hammer industries, Inc. | http://www.rotohammerinc.com |
| Valve Operators | Moog Flo-Tork | http://www.flo-tork.moog.com | |
| Valve Operators | Staefa Control System | http://www.staefa.com |