| Acorn Engineering Co. | http://www.acorneng.com | ||
| Benjamin Mfg. Co. | http://www.benjaminmfg.com | ||
| Dallas Specialty & Mfg. Co. | http://www.dalspc.com | ||
| Hercules Chemical Co., Inc. | http://www.herchem.com | ||
| IPS Corp. | http://www.ipscorp.com | ||
| J.C. Whitlam Mfg. Co. | http://www.whitlam-plumbpro.com | ||
| MIFAB | http://www.mifab.com | ||
| Oatey | http://www.oatey.com | ||
| Oatey SCS | http://www.oateyscs.com | ||
| The Relaible Automatic Sprinkler Co., Inc. | http://www.reliablesprinkler.com | ||
| Watts Regulator Co. | http://www.watts.com | ||
| Willoughby Industries, Inc. | http://www.willoughby-ind.com | ||
| Doors and Panels | Air-Lec Industries, Inc. | http://www.air-lec.com | |
| Doors and Panels | Chim-Cap Corp. | http://www.chimcapcorp.com | |
| Doors and Panels | Diversified Plastics Industries, LLC | http://www.divplastics.com | |
| Doors and Panels | Ductmate Industries, Inc. | http://www.ductmate.com | |
| Doors and Panels | Erickson Industries, Inc. | http://www.erickson-industries.com | |
| Doors and Panels | Flexmaster USA | http://www.flexmasterusa.com | |
| Doors and Panels | Forma-Kool Mfg., Inc. | http://www.formakool.com | |
| Doors and Panels | Jay R. Smith Mfg. Co. | http://www.jrsmith.com | |
| Doors and Panels | Kees Inc. | http://www.kees.com | |
| Doors and Panels | Manufactured Air Products | http://www.map-hvac.com | |
| Doors and Panels | Nystrom | http://www.nystrom.com | |
| Doors and Panels | Ruskin Co. | http://www.ruskin.com | |
| Doors and Panels | Floor Hatches | Nystrom | http://www.nystrom.com |
| Doors and Panels | Roof Hatches | Nystrom | http://www.nystrom.com |