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 U.S. Metric Association, Inc.
The U.S. Metric Association (USMA), Inc., with headquarters in Northridge CA, is a national non-profit organization, founded in 1916. It advocates U.S. conversion to the International System of Units which is known by the abbreviation SI (ess-eye). SI is also called the modern metric system. The process of changing measurement units to the metric system (SI) is called metric transition or metrication.
http://lamar.colostate.edu/~hillger/supplies.htm
The Freetime Initiative
Production of Newsletters, Trade Magazines, etc.
http://thefreetimeinitiative.co.uk
Oklahoma Ready Mixed Concrete Association
The one source for information, updates, education and promotion for the ready mixed concrete industry.
http://www.ormca.com
Western Wood Truss Association of British Columbia
The Western Wood Truss Association was founded in 1973 and represents manufacturers actively engaged in the production of metal gusset plated wood trusses and individuals or firms engaged in related activities.
http://www.wwtabc.com
Truss Plate Institute
An association of truss plate manufacturers providing wood truss design standards, bracing criteria, inspection services, research, and steel verification for the wood truss component industry. Includes listing of member companies.
http://www.tpinst.org/
The Steel Construction Institute
An independent, technical, member-based organization with the objective of promoting and developing the effective use of steel in construction
http://www.steel-sci.org/
Concrete Corrosion Inhibitors Association
Promoting the use and understanding of corrosion-inhibiting admixtures in concrete.
http://www.corrosioninhibitors.org/
Woodworking Machinery Suppliers Association
UK trade association representing suppliers of woodworking machinery both engaged in manufacture and import of products.
http://www.wmsa.org.uk/
National Association of Elevator Safety Authority International
Provides training and certification of elevator inspectors, and promotes standardization of safety codes. Includes news, training programs, and certification information.
http://www.naesai.org/
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