Our Contractor Licensing - Certification Resource Directory is hierarchically arranged from broad categories to specific sites. In addition to leading the way towards licensure and certification services, our site is also an extensive research and reference tool.
National Association of State Contractors' Licensing Agencies NASCLA was founded in 1962 as a non profit corporation, whose membership is comprised of states that have enacted laws regulating the business of contracting, and strives for the better regulation of the construction industry to protect the health, safety and welfare of the general public.
Plumbing-Heating-Cooling Contractors–National Association Web Site A non-profit organization comprised of plumbing, heating, cooling contractors dedicated to the promotion, advancement, education, and training of the industry, for the protection of our environment and the health, safety, and comfort of society.
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