Plumbing Research Guide

Promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.

Safety and heath regulations for construction workers, which includes special trade contractors such as service workers in the heating, plumbing and air-conditioning industries.

The information, tools, and resources provided are designed to assist those in the industry to identify, reduce, and eliminate construction-related hazards.

The American Society of Inspectors of Plumbing and Sanitary Engineers is a membership organization and leading product and personnel certification agency for companies and individuals representing all disciplines of the plumbing and mechanical industries.

The American Society of Plumbing Engineers (ASPE) is the international organization for professionals skilled in the design, specification and inspection of plumbing systems.

The Plumbing-Heating-Cooling Contractors Association is dedicated to the advancement and education of the plumbing and HVACR industry for the health, safety and welfare of society and the protection of the environment.

PHCC of North Carolina is dedicated to the advancement and education of plumbing, heating and cooling professionals throughout the state for their growth.