- ADSC:
International Association of Foundation Drilling signed February 22, 2005.
-
American Fire Sprinkler Association signed September 24, 2008.
-
American Industrial Hygiene Association signed October 10, 2002; renewed
April 23, 2004; renewed July 6, 2006; renewed October 21, 2008.
- American Pipeline
Contractors Association signed January 25, 2007.
- Association of Equipment
Manufacturers signed October 1, 2007.
- Concrete Sawing and
Drilling Association signed March 16, 2006; renewed March 26, 2008.
- Construction Institute of the American Society of Civil Engineers signed
November 3, 2003; renewed March 19, 2006; renewed April 28, 2008.
- Independent Electrical Contractors, Inc. signed August 30, 2002;
renewed April 5, 2004; renewed October 30, 2006.
- National
Association of Home Builders signed May 8, 2003; renewed October 18, 2005; renewed
June 7, 2007.
- National
Construction Safety Executives signed September 20, 2007.
- National Safety Council signed
September 9, 2003; renewed September 21, 2005; renewed October 15, 2007.
- The
Roadway Work Zone Safety and Health Partners signed January 25, 2007.
- Scaffold Industry
Association, Inc. signed February 25, 2008.
-
Sealant Waterproofing and Restoration Institute signed February 20, 2003; renewed July 21,
2005; renewed July 11, 2007.
-
Washington Division of URS Corporation (formerly Washington Group International) signed December 12, 2002; renewed December
19, 2003; renewed February 1, 2006; renewed January 30, 2008.
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