Advanced Filtration Concepts
Advanced Filtration Concepts offers new and innovative filtration products and services to the HVAC industry. We specialize in high-end applications which require the ultimate in air filtration.
http://www.advfiltration.com/

Star Fans
Manufacturers of high efficiency industrial fans, industrial blowers including centrifugal fans, centrifugal cyclone dust collectors and bag filters from India.
http://www.starfansindia.com/product.htm

Lee Filters
High quality camera filters, lighting filters, gobos, and other studio-related products. Camera Bellows.
http://www.leefilters.com/

HID Lighting Systems
High-efficiency, high frequency high wattage HID ballasts, fixtures and controls.
http://www.delta-power-supply.com/

Lee Filters Home Page
Supplier of high quality camera and lighting filters, gobos, and other studio-related products.
http://www.leefilters.com/

High Performance Tube, Inc.
Manufacturer or integrally finned tubing for high efficiency corrosion resistant heat exchangers.
http://www.highperformancetube.com/

Hi-Q Antennas
Hi-Q-Antennas™ by W6HIQ / VE7BOC / HA5CMG are state-of-the-art, SIXTH generation, stealth design. Hi-Q, Hi-Radiation efficiency is provided by the computer design and the Mil-Spec materials used in its manufacturing.
http://www.hiqantennas.com/

PowerTec
Powertecmotors located in Rock Hill, South Carolina manufactures high performance Brushless Servo and Adjustable Speed motors and drives as well as variable speed products.
http://powertecmotors.com

Tyder Ltd
Provides digital filter design software which can produce specialised filters e.g. Windowed FFT, Optimal FIR filters, and IIR filters.
http://www.tyder.com/

Simple Filters
Easy to use filters for enhancing Photoshop and Paintshop Pro - Not available anywhere else!!!
http://www.btinternet.com/~cateran/simple/