American Hood Systems, Inc.
- Commercial kitchen exhaust hoods and ventilation systems, including make-up air and fire suppression.
- http://www.americanhood.com/

Captive-Aire Systems Inc.
- Commercial and industrial ventilation equipment.
- http://www.captiveair.com/

Colt International Limited
- Manufacturers of louvre systems, smoke control, solar shading, air handling. UK
- http://www.coltgroup.com/

Greenheck
- Manufactures fans and ventilators, centrifugal fans, vane axial fans, dampers, louvers, kitchen ventilation systems, energy recovery ventilators and make up air units for the commercial and industrial market.
- http://www.greenheck.com/

Ansul Incorporated
- A US manufacturer of portable fire extinguishers and fixed extinguishing systems.
- http://www.ansul.com/

Premium Air Systems
- Manufacturer of products for the restaurant kitchen including make-up air units, custom designed hoods, exhaust fans. Complete design and installation.
- http://www.premiumair.net

K-Vent
- Manufacturer of kitchen ventilation equipment. Installation available.
- http://www.kvent.com

Halton Company
- Food service and commercial kitchen ventilation products.
- http://www.haltoncompany.com