American Concrete Institute
ACI is a technical and educational society with 16,000 members and 96 chapters in 34 countries. ACI has produced
more than 400 technical documents, reports, guides, specifications, and codes for the best use of concrete; conducts more
than 125 educational seminars each year; and has 13 different certification programs for concrete practitioners.
www.aci-int.org
Industrial Indoor Air Quality and Air Filtration
Air Purification, Inc. offers indoor air quality solutions including replacement filters and filter cartridges, dust
collectors, mist collectors, smoke collectors, air cleaners, industrial vacuum systems, vehicle exhaust collection systems,
environmental control booths, downdraft tables, industrial blowers and fans and more.
www.AirPurificationInc.com
Industrial Websites and Internet Marketing
The Baer Marketing Network offers websites and industrial internet marketing to companies nationwide.
www.BaerMarketingNetwork.com
Metal Polishing and Buffing - Chicago
L.A. Metal Polishing serves the entire Chicago area for your metal polishing and buffing
needs.
www.LAMetalPolishing.com
Post-Tensioning Institute
PTI provides research and technical development for companies engaged in post-tensioned construction. Its publications
provide information on post-tensioning design and construction technology.
www.post-tensioning.org
Gas Springs
Signature Series Gas Springs offers automotive quality standard and custom made gas springs to ISO 9001/ISO 14001 and
QS 9000 standards.
www.SigantureSeriesGasSpring.com
