Bottom line when looking for a roofing company, please do your homework and research the company that you choose. Here are the minimum steps to take: 1. Get a referral from friends and family. 2. If you can't get a referral, verify their reputation, check to see if they are licensed in the city where you live. (210) 207-1111 San Antonio Development Services Department. 3. Make sure they have an established office in your city. Google it to verify how long they've been in