Storm Shelters OKC is Oklahoma & Texas most trusted Storm Shelter business. We serve all Oklahoma & Texas residents. Our shelters and doors are approved by the Texas Tech University Wind Science and Engineering Research Center. We have both Above Ground Storm Shelters and Underground Storm Shelters. Our small shelters can house 6-8 people. Our large shelter can house 8-12. There are additional features also which include: Electric, LAN Line Phone, or cable line. Extra charges may apply. Your satisfaction is guaranteed and we aim to exceed all your expectations.