Smoke Cloak
Smokecloak from Martin Security, tågesikring
http://www.smokecloak.com/

Dualdraw Co.
Sales of downdraft tables and downdraft booths in most sizes and configurations, down draft tables, dust collectors, wet dust collector, aluminum grinding tables, aluminum dust collectors, dust filtration, downdraft wet collection, air filtration, mail security, mail safety, mail screening, welding safety, and wet and dry down draft collectors for aluminum dust.
http://www.dualdraw.com

Air Impurities Removal Systems, Inc.
Air Impurities Removal Systems, Inc. manufactures the unique line of Extract-All air cleaning systems, for collecting and filtering smoke, dust, mist, odors, and other airborne contaminants, which are byproducts of wide variety of laboratory, industrial, and commercial processes.
http://www.airsystems-inc.com/

Pavesi & Associates
Pavesi & Associates markets fabric air distribution duct and air cleaning, air handling, energy conservation, fume & smoke removal, heating, make-up air and ventilation equipment on a national and international basis.
http://www.pavesihvac.com

Air quality equipment for industry
dust,smoke & fume control equipment for employee safety.
http://www.totalclean.com

Rexon Associates Inc.
An established leader in providing expert Industrial and Commercial Air Cleaning Solutions. We utilize state-of-the-art ESP's, cyclones, filter media, scrubbers and more to remove dust, fumes, mist, smoke, NOx and other emissions to eliminate pollution at the source.
http://www.rexonassociates.com

Smoke Control Services Limited
Smoke Control Services specialise in smoke control systems for multi-occupancy residential buildings providing packaged solutions designed to comply with building regulations simply and efficiently.
http://www.smokecontrol.co.uk

Smoke Rite Ovens
Complete range of Australian made smoking ovens that can smoke, roast, cook, bake and steam.
http://www.smokeriteovens.com.au

Smoke in C4D
Offers examples and tutorial information on how to use visible lights to make wispy, smoky smoke in C4D.
http://www.technoscope.com/c4d/smoke.html

Convection in a box.
Experiments with smoke inside a plexiglass box challenge convectional wisdom. Smoke can unexpectedly act heavier than air and then spontaneously reverse.
http://www.synapse9.com/airbox.htm