SUPERIOR Real Estate Inspection Services "SREIS" is a building inspection firm specializing in residential and commercial property inspections. SREIS is locally owned and was established in 2003. Derrick Walls is the Professional Inspector (license #8276) on staff as well as the owner. This allows the owner/inspector to develop a personal relationship with each of our home inspection and building inspection clients. If ever there are client concerns, then you speak directly with the person that can make things right. For added peace of mind, we are fully insured.