Lafarge Aggregates
Lafarge Aggregates is a supplier of asphalts, aggregates, readymixed and concrete products. One of the UK's largest suppliers of building materials for the construction industries.
http://www.lafarge-aggregates.co.uk

British Aggregates Association
British Aggregates Association represents quarry owners in the aggregates and minerals industry offering advice and lobbying parliament on aggregates levy, road haulage industry, minerals waste
http://www.british-aggregates.co.uk/

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/

FocusOn Aggregates & Roads
The most comprehensive site on the internet for the Aggregates industry, FocusOn Aggregates is a free Emag
http://www.focusonaggregates.com/

Construction Market Research
Construction Market Research is a consulting firm specializing in construction aggregates, including crushed stone, sand, and gravel. The Construction Aggregates Databook consolidates more than 30 years of U.S. construction aggregates data and key construction, economic, demographic, and industry related statistics.
http://www.aggregatemarket.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