HySave
HYSAVE Refrigeration Energy Supermarket Savings, hysave energy,liquid refrigerant pumps, liquid pressure amplification, refrigerant pumps
http://www.hysave.co.uk

Frigi-Tech International
Manufactures refrigerant oil additive that is polarized and is compatible with other refrigerant oils.
http://www.frigi-tech.com/

Refrigerant Clearinghouse Direct
Refrigerant Clearinghouse Direct. A no charge, interactive refrigerant listing service. Buy and sell virgin, reclaimed, dirty, or mixed refrigerants - R11 R12 R13 R22 R113 R114 R134A R500 R502 1301 etc
http://www.rcdusa.com

Hudson Technologies, Inc.
Hudson Technologies provides virgin and reclaimed refrigerant, refrigerant reclamation and recovery services and full line of specialized RefrigerantSide Services for chillers and industrial process refrigeration.
http://www.hudsontech.com/

Oberlin Filter Company
Manufactures and distributes range of filtration products and equipment. Includes filter cloths, filter bags and cartridges, air filter units, and selection of new and used filter systems. Offers free analysis of wastewater samples.
http://www.oberlinfilter.com/

DVP Technologies
Eye Fidelity Tools include the moire filter, graininess filter and JPEG filter.
http://www.dvp.co.il/

Lianda Filter Equipment Co.,Ltd.
Anping Lianda Filter Equipment Co.,Ltd.is an exporter and manufacturer of stainless steel melting filter element, pleated and pipe type,disc filters and filtration wire cloth: over 80 percent of filter elements for export
http://www.lianda-filter.com/

AACplayer
The world's largest development and download repository of Open Source code and applications
http://sourceforge.net/projects/aacplayer/

Filter Specialists, Inc
FSI is the world's most innovative manufacturer of liquid filtration products. We've patented dozens of designs for filter vessels, filter bags and filter cartridges, providing our customers with improved efficiency and significant cost savings.
http://www.fsifilters.com/

MuRa's Filter Meister
Professional filters for Adobe Photoshop and plugin compatible programs such as Paint Shop Pro and available only for the Windows. They are made with Filter Formula. This filter collection is freeware.
http://www.geocities.com/murakuma/mmplugins.html