- American Society of
Safety Engineers signed December 4, 2002; renewed June 8, 2004; renewed June 12, 2006; renewed
June 10, 2008.
- Club Managers Association of America
signed September 16, 2003; renewed February 22, 2006; renewed October 17, 2007.
- Coordinating Committee for Automotive Repair
signed February 17, 2004; renewed September 12, 2006; renewed August 4, 2008.
-
National Institute for Occupational Safety and Health and National Hearing Conservation
Association signed February 21, 2008.
- National Safety Council
signed September 9, 2003; renewed September 21, 2005; renewed October 15, 2007.
-
Professional Landcare Network signed October 2, 2008.
- SkillsUSA signed October 17, 2005;
renewed December 18, 2007.
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