Office Of The Secretary of State. 602-542-4285 www.azsos.gov
(go to Trade Names and Trademarks click search Registered Names on Registered name type in any part of the company’s name in the box)
If not get the Company and Persons's name & number. Call them to verify they do installs for that Company.
They must be licensed if the complete project (system & install) is over $1000.00 a license is required.
Arizona Registrar of Contractors 602-542-1525 or www.azroc.gov
Here are a list of authorized certifying agencies for water/plumbing /electrical
Water Quality Association
They are authorized to certify NSF/ANSI & Gold Seal. They certify Softener system & Filtration.
**WQA charges for testing if you pass you get certified for free.**
Find certification at: 630-505-0160 www.wqa.org
NSF They are authorized to certify NSF/ANSI They certify Softener system & Filtration.
Find certification at: 800-673-6275 www.nsf.org