| Quality Tube & Hose (Johnstown, PA)
|
| Quality Valve & Machine Works (Humble, TX)
|
| Quick Drain Corp (Garden City, MI)
|
| R & M Energy Systems (Willis, TX)
|
| R B Fittings & Flanges (Houston, TX)
|
| R P Assoc Inc (New Orleans, LA)
|
| R Smith & Son (Houston, TX)
|
| R V Cloud Co (Campbell, CA)
|
| Ray Lewis & Co (Youngstown, OH)
|
| Ream Man Valve Bodies Llc (Lansing, MI)
|
| Red Man Pipe & Supply Co (Galena Park, TX)
|
| Rencor Controls Inc (Fort Edward, NY)
|
| Renew Valve & Machine Co (Carleton, MI)
|
| Republic Brass Sales Inc (Lemon Grove, CA)
|
| Rexnord Thomas Coupling (Warren, PA)
|
| Richards Industries Inc (Frenchburg, KY)
|
| Riebes Auto Parts (Lincoln, CA)
|
| Risher & Co (Euclid, OH)
|
| Riverbend Transfer Systems (Richland, WA)
|
| Rmc & Assoc Inc (Mobile, AL)
|
| Roanoke Hose & Fittings Inc (Roanoke, VA)
|
| Robert H Wager Co (Rural Hall, NC)
|
| Robert L Rowan & Assoc Inc (Houston, TX)
|
| Robert Manufacturing (Montclair, CA)
|
| Robert Manufacturing Co (Rancho Cucamonga, CA)
|
