QE International B.V
More than 40 years of knowledge and experience in industrial silencing
http://www.quietflo.nl/

Flexible Ducting Limited
Flexible Ducting Limited manufacture quality ducting and hose solutions for many applications such as vacuum cleaners, domestic appliances, industrial fume and dust extraction, air conditioning and ventilation, garage and automotive under bonnet applications
http://www.flexibleducting.co.uk/

NTI Global Industrial Ducting for Mines
Heavy duty Flexible Spiral and Lay-flat Ducting for the mining market.
http://www.ntiglobal.com/ducting.htm

Paris Hose and Ducting Ltd.
UK. Distributors of rubber, thermoplastic, pneumatic, and high pressure hose; hose reels, fittings, clips, and clamps; and flexible ducting. Technical questions and answers facility.
http://www.parishose.co.uk/

HVAC Ducting utilities
AutoCAD - Software and Add-ons from ASVIC Engineering & Software, Engineering Software Resource Site featuring software. Many solutions for all AutoCAD versions from r14 to 2008. Also featuring new CAD products for AutoCAD
http://www.asvic.com.au/mq-hvac.htm

Hi-Tek Sports
Specialized in bow stabilizers, slings, string silencers, and accessories. New York, USA.
http://www.hi-teksports.com

Wakefield Associates
Sales of air and gas, blowers and compressors, gas turbines, NOx control systems, dampers, expansion joints and silencers, gas turbine inlet systems, heat exchangers.
http://www.wakefield-assoc.com/

Mainetti Technology
Designers and manufacturers of cable ducting systems.
http://www.mainetti.co.uk/

Solberg Manufacturing
Manufacturer of inlet air filter-silencers and exhaust air oil mist filters for the air compressor, blower, engine, and vacuum pump industries.
http://www.solbergmfg.com/

Clyde Armory
Provides arms for law inforcement such as hand guns, shotguns, machine guns, and silencers.
http://www.policeguns.com/