Serving Knoxville and Surrounding Areas. We specialize in background investigations because people aren t always what they seem. Tenant Check is a consumer reporting agency. We specialize in providing background investigations for the rental industry, as well as pre-employment screenings. Our employees have over 15 years experience in the background screening industry and are available to answer any questions you may have.. Basic Residential Package * Deluxe Residential Package * Ultimate Residential Package * Credit Only Report 1 Bureau * nationwide Criminal Search * Corporate Report/Business Background Check * Corporate Credit/Business Credit Only Check * Pre-Employment Screening Services