Blinds Etc. Knoxville, TN is a Veteran owned company based in Knoxville, Tennessee and serving Knoxville and surrounding area’s. Mark and Debbie Sinclair bring a strong and varied background in numerous building trades including remodeling, design and decorating . In learning the art and craft of custom window coverings,  “Deciding to focus on window treatments was a natural move for Debbie and Mark as they are both aesthetic minded and dedicated to helping people realize their vision within their homes.”