WE BRING THE INDUSTRY TOGETHER
We develop standards. We certify professionals. We certify products.
For more than 115 years, ASSE International has been bringing the industry together to improve the performance and reliability of products and professionals. By working together, we protect the health and safety of the public.
ASSE International is an ANSI-accredited standards developer and ANAB-accredited product certification body composed of members representing all disciplines of the plumbing and mechanical industries. ASSE’s product performance standards, professional qualifications standards, professional certification, and product certification programs aim to improve the performance and safety of plumbing and mechanical systems.
PRODUCT CERTIFICATION
The ASSE Product Listing Program is an ANAB- and SCC-accredited third-party product certification body with a strong focus on backflow prevention and thermostatic mixing.
PERSONNEL CERTIFICATION
Professional certification programs for the specialized segments of backflow prevention, service plumbing, infection control, fire protection, rainwater harvesting, hydronic heating and cooling, and more.
STANDARDS
ASSE product and professional qualifications standards are developed and revised through true industry consensus under the ANSI-accredited standards development process.
ASSE MEMBERSHIP
Give back to your profession and learn from each other. Members of ASSE belong to an organization represented by all disciplines of the plumbing, piping, and mechanical industries.
LATEST ASSE UPDATES
ASSE/IAPMO/ANSI/CAN Series 22000-2026 Now Available Professional Qualifications Standard for Water Treatment Equipment Personnel
ASSE/IAPMO/ANSI/CAN Series 22000-2026, Professional Qualifications Standard for Water Treatment Equipment Personnel, has been designated as an American National Standard by the American National Standards Institute (ANSI) and a National Standard of Canada by the Standards Council of Canada (SCC), and is now available for purchase in both English and French.
ASSE Seeks Working Group Members for Development of Professional Qualifications National Standard
ASSE International is seeking working group members to support the update of ASSE 19000, Hydronic Systems Professional Qualifications Standard.
ASSE Seeks Working Group Members for Development of ASSE 18000 Professional Qualifications Standard
ASSE International is seeking subject matter experts and industry stakeholders to participate in a working group for the development of a proposed new professional qualification standard: ASSE 18000, Professional Qualifications Standard for Fuel Gas Systems and Equipment Installers and Repairers.
UPCOMING ASSE EVENTS
ASSE Mid-Year Meeting
April 14-15, 2026 | St. Louis, MO
Local 562 Training Center
ASSE International is a wholly owned subsidiary of IAPMO R&T