Pottorff
Manufacturer of Product for HVAC
http://www.pottorff-hvac.com

Actionair
Manufacturing Fire / Smoke / Control Dampers, fan coil Units, control panels. Actionair as part of Ruskin Air Management Limited is committed to innovative solutions.
http://www.actionair.co.uk/

Ruskin Company
Manufacture fire and smoke dampers for tunnel ventilation and waste-water treatment facilities. features a range of product literature, catalogs, and reference charts.
http://www.ruskin.com/

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

Metropolitan Air Technology, Inc.
Metropolitan Air Technology
http://www.rototwist.com/

Ace Controls International
Ace Controls International, the world leader in motion control, supplies shock absorbers, rotary dampers, hydraulic dampers and feed controls and gas springs
http://www.acecontrols.co.uk/

Louvers & Dampers
Louvers, Dampers
http://www.louvers-dampers.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