| Actaris | Duran | Krueter | Siemens |
| Allanson | Dwyer | Lennox | SIT |
| American Standard | Eclipse | Lochinvar | Spirotherm |
| Antunes | Economite | Make-Up Air | Spirovent |
| A.O. Smith | Emerson Motors | Marsh | Square D |
| Apollo | ENFM | Maxitrol | Sterling |
| Armstrong | Engineered Air | Maxon | Super Hot |
| Asco | ESBE | Midco | TEV |
| Auburn | Fairview Fittings | Monarch | Topog-e |
| Bacharach | Fenwal | Nashua | Trane |
| Barber-Coleman | Field | NES | Unipower |
| Baso | Fireye | Norton | United Brass |
| Belimo | Firomatic | Nordyne | United Electrical |
| Bell & Gossett | Fulton | North American | United Technologies |
| Blue Max | Furnas | Olsen | Universal (UEI) |
| Bradford White | GC Valves | Omron | Versa Fittings |
| Burks Pumps | Goodman | Pico | Wagner |
| Buss | Gordon-Piatt | Pietro-Fiorentini | Warrick |
| Burnham | Grasslin | Power Flame | Watsco |
| Carrier | Greystone | Protect-O-Fier | Watson-McDaniel |
| Centra | GSW | Pyrocom | Wayne Burners |
| Cleaver-Brooks | Hoffman Electric | Ranco | Weil-McLain |
| Cleveland Controls | Hoffman Specialty | Raypack | Weiss |
| Columbus | Honeywell | Reznor | Weksler |
| Conbraco | Hydro-Therm | Riello | Westwood |
| Delavan | Iberville | Robertshaw | White-Rodgers |
| Diversitech | Idec | Sarco | Whitlam |
| Domestic Pump | Incinomite | SBK | Woods |
| Duracell | Johnson Controls | Selecta | York |
Please CLICK HERE for a full version of our 2016 line card.