- AIM Industrial Inc., Cambridge, Ontario, Canada
- Craft Mechanical, Chicago, Illinois
- Matthew Schnarr Sheet Metal Inc., Waterloo, Ontario, Canada
- R.J. O’Neil Inc., Montgomery, Illinois
- Saudi Duct Factory, Riyadh, Saudi Arabia
- Tekon-Technical Consultants Inc, Portsmouth, New Hampshire
- Trident Mechanical Services LLC, Phoenix, Arizona
- W.G. Tomko, Finleyville, Pennsylvania