The Baker Company
The Baker Company’s ChemGARD® high-performance fume hoods are developed by experts in containment technology. The Baker Company fume hoods employ unique airflow characteristics within a streamlined, unobstructed work area to provide uniform, energy-saving operation, minimizing backdrafts, turbulence and eddy currents.

http://www.bakerco.com/

HEMCO
UNIFLOW Laboratory Fume Hoods are constructed of advanced composite materials for superior chemical resistance, lightweight, and durability. Air By-Pass, Conventional, Low Profile, Variable Air Volume, and Auxiliary Air designs are all available. In addition, HEMCO offers Walk-In and space saving Compact fume hood designs to compliment any laboratory space requirements.

http://www.hemcocorp.com/

Misonix
Misonix manufacture’s a complete line of ductless fume enclosures to control and eliminate hazardous vapors, noxious odors and particulates in the laboratory. All fume enclosure products utilize either activated carbon or HEPA filters to capture contaminants. Misonix also offers laminar airflow stations and PCR enclosures.

http://www.misonix.com/