STEPS TO BECOMING A CERTIFIED SERVICE PROVIDER IN CALIFORNIA: What You Need To Know

https://astro-wiki.win/index.php/Learn_Exactly_How_To_Begin_A_Roof_Covering_Business

To work as a roofer in Minnesota, you're required to hold a state license if the complete value of your yearly job comes to more than $15,000. To obtain a license, you need to pass the property contractor trade