A2Z Filtration Specialities Pvt., Ltd
- India. Design and manufacture of special purpose filter production and testing equipment. Also, suppliers of components to filter manufacturing companies.
- http://www.a2zfiltration.com/index.php3

Dalton & Associates, Inc.
- Residential and commercial filters for fluroescent lights and computer monitors.
- http://www.fluorescentlightfilters.com

Parka Air S.a.s.
- Filtering systems for air purification and pollution control in industrial and commercial applications.
- http://www.parka-air.com

Airex Corporation
- Manufactures a variety of specialty filters using virgin and recyled materials. Delivery available throughout New England when common carriers are not available.
- http://www.airexco.com/

Hankison International
- Specialty filter manufacturer for the treatment of compressed air.
- http://www.hankisonintl.com/

Anrod Screen Cylinder Company
- Manufacturer of custom filter, strainer and screen products for various industries.
- http://www.anrodscreen.com

GenPore
- Manufacturers of precision molded porous plastic parts for filtration, controlled flow and separation applications for liquids and gases.
- http://www.genpore.com/