A
- Altec Industries, Inc. (Signed November 22, 2005; renewed December 18, 2007; renewed June 14, 2012; renewed December 01, 2015; signed as Ambassador June 09, 2020).
- American Chemistry Council - CPI (Signed September 13, 2017; renewed September 15, 2020).
- American Foundation for Suicide Prevention (AFSP) (Signed September 07, 2022).
- American Industrial Hygiene Association (AIHA) (Signed October 10, 2002; renewed April 23, 2004; renewed July 06, 2006; renewed October 21, 2008; renewed May 21, 2013; renewed November 08, 2018; signed as Ambassador February 21, 2020).
- American Pipeline Contractors Association (APCA) (Signed January 25, 2007; renewed February 25, 2009; renewed January 30, 2012; renewed October 15, 2015; signed as Ambassador April 19, 2021).
- American Red Cross (Signed May 19, 2005; renewed August 06, 2008; renewed November 09, 2015; signed as Ambassador September 22, 2020).
- American Society of Safety Professionals (ASSP) (Signed December 04, 2002; renewed June 08, 2004; renewed June 12, 2006; renewed June 10, 2008; renewed March 16, 2012; renewed June 09, 2015; signed as Ambassador May 12, 2020).
- American Staffing Association (ASA) (Signed May 21, 2014; renewed October 21, 2016; signed as Ambassador August 09, 2022).
- Association for Advancing Automation (A3) and National Institute for Occupational Safety and Health (NIOSH) (Signed October 05, 2017; renewed December 12, 2019).
B
- Board of Certified Safety Professionals (BCSP) and BCSP Foundation (Signed February 01, 2018; renewed June 28, 2021).
C
- CareerSafe: The National Youth Safety Initiative (CareerSafe) (Signed June 26, 2018; renewed October 08, 2020).
- Coordinating Committee for Automotive Repair (CCAR) (Signed February 17, 2004; renewed September 12, 2006; renewed August 04, 2008; renewed May 12, 2015; signed as Ambassador May 06, 2020).
- CPWR - The Center for Construction Research and Training (CPWR) (Signed January 11, 2017; renewed July 17, 2019).
- Crane, Hoist and Monorail (CHM) (Signed October 05, 2005; renewed October 29, 2007; renewed November 21, 2012; renewed February 02, 2016; signed as Ambassador May 19, 2021).
G
- Global Cold Chain Alliance (GCCA) (Signed July 30, 2010; renewed July 28, 2014; renewed July 31, 2019; signed as Ambassador August 03, 2020).
I
- Independent Electrical Contractors, Inc. (IEC) (Signed August 30, 2002; renewed April 05, 2004; renewed October 30, 2006; renewed December 08, 2008; renewed December 07, 2015; signed as Ambassador July 01, 2020).
- Industrial Truck Association (ITA) (Signed January 15, 2004; renewed April 24, 2006; renewed April 09, 2008; renewed January 11, 2016; signed as Ambassador October 06, 2020).
- Institute of Scrap Recycling Industries, Inc. (ISRI) (Signed October 19, 2015; renewed December 07, 2020).
- International Dairy Foods Association (IDFA) (Signed August 09, 2021).
- International Safety Equipment Association (ISEA) (Signed June 21, 2018; renewed April 08, 2021).
- International Window Cleaning Association (IWCA) (Signed June 10, 2010; renewed October 31, 2012; renewed February 14, 2018; signed as Ambassador May 21, 2020).
L
- Lamar Outdoor Advertising (Lamar) (Signed September 19, 2007; renewed October 12, 2012; renewed December 01, 2015; signed as Ambassador September 24, 2020).
N
- National Association of Landscape Professionals (NALP) (Signed October 02, 2008; renewed November 26, 2013; signed as Ambassador July 29, 2020).
- National Association of Women in Construction (NAWIC) (Signed August 21, 2013; renewed December 13, 2017).
- National Demolition Association (NDA) (Signed July 08, 2021).
- National Grain and Feed Association (NGFA), Grain Elevator and Processing Society (GEAPS), and Grain Handling Safety Coalition (GHSC) (Signed September 13, 2017; renewed May 01, 2020).
- National Safety Council (NSC) (Signed September 09, 2003; renewed September 21, 2005; renewed October 15, 2007; renewed August 29, 2012; renewed September 16, 2014; signed as Ambassador November 18, 2019).
- National Service, Transmission, Exploration & Production Safety (STEPS) Network and National Institute for Occupational Safety and Health (NIOSH) (Signed December 02, 2014; renewed November 29, 2016; signed as Ambassador June 16, 2022).
- National Waste & Recycling Association (NWRA) and Solid Waste Association of North America (SWANA) (Signed September 29, 2019).
- North American Meat Institute (NAMI) (Signed July 29, 2020).
S
- Scaffold & Access Industry Association (SAIA) (Signed February 25, 2008; renewed June 29, 2011; renewed December 18, 2013; signed as Ambassador July 01, 2020).
- Sealant Waterproofing and Restoration Institute (SWR Institute) (Signed February 20, 2003; renewed July 21, 2005; renewed July 11, 2007; renewed July 06, 2009; renewed June 24, 2011; renewed March 20, 2014; signed as Ambassador February 26, 2020).
- Society for Chemical Hazard Communication (SCHC) (Signed October 22, 2003; renewed December 05, 2005; renewed March 24, 2008; renewed March 01, 2012; renewed April 13, 2015; signed as Ambassador September 29, 2020).
T
- The Fertilizer Institute (TFI) and Agricultural Retailers Association (ARA) (Signed February 04, 2019; renewed February 22, 2022).
- The Joint Commission (TJC) and Joint Commission Resources, Inc. (JCR) (Signed July 27, 2004; renewed November 08, 2006; renewed January 14, 2009; renewed August 21, 2013; renewed February 12, 2019; signed as Ambassador November 09, 2022).
- The Roadway Work Zone Safety and Health Partners (Signed January 25, 2007; renewed September 11, 2009; renewed April 19, 2012; renewed December 17, 2015; signed as Ambassador December 01, 2021).
U
- United States Institute for Theatre Technology (USITT) and the International Alliance of Theatrical Stage Employees, Moving Picture Technicians, Artists and Allied Crafts of the United States, its Territories and Canada, AFL-CIO, CLC (IATSE) (Signed July 16, 2013; renewed February 15, 2018).
- United Support and Memorial for Workplace Fatalities (USMWF) (Signed April 28, 2022).