| American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) |
|
| ANSI |
|
| Association of Facilities Engineers |
|
| Building Owners and Managers Association (BOMA) |
|
| FacilitiesNet |
|
| Illinois EPA |
|
| International Kitchen Exhaust Cleaners Association (IKECA) |
|
| National Fire Protection Association (NFPA) |
|
| National Air Duct Cleaners Association (NADCA) |
|
| OSHA |
|
| Plant Services Magazine |
|
| SMACNA |
|
| United States EPA |
|
