| AGF Manufacturing Inc. | Harvel Plastics, Inc. | Sammy Super Screw |
| Akron Brass Company | Hydratec, Inc. | Serampore Industries |
| AMERICAN Fastite Joint | Kennedy Valve | Shurjoint Piping Products |
| American Flow Control | Mueller Water Products Inc. | Sigma Corporation |
| Ames Fire & Waterworks | NIBCO | Spears Manufacturing Co. |
| Bull Moose Tube Co. | North American Pipe Corp. | Steel Dragon Tools |
| Chemguard Inc. | Paragon Industries, Inc. | Superior Tank Co., Inc. |
| ERICO International Corp. | Patterson Pump Company | Tex-Tube Company |
| Elite Software Development, Inc. | Potter Roemer | TOLCO |
| Fire Pro | PW Eagle Inc. | Viking Corporation |
| Fire Protection Products, Inc. | Reed Manufacturing Co. | Ward Manufacturing, Inc. |
| Firetrace Systems | Rice Hydro | Wheatland Tube |
| Globe Fire Sprinkler Corp. | Ridgid Tool Company |