Levolor Shades Does Anybody Know How To Become A Certify Blinds/shades Installer For Companies Like Bali, Levolor And More?

Does anybody know how to become a certify blinds/shades installer for companies like Bali, Levolor and more? - levolor shades

I would like to install blinds / shades for this company where I work, and I want to know where they learn.