T.H.A.D. LLC T.H.A.D. LLC, established in 1996 is in the business of making every day more enjoyable and satisfying for home and business owners. Products such as Central Vacuum, the "HIDE-A-HOSE", Home Intercom, Home Automation, Home Stereo, Home Theater or Security Systems. THAD LLC is a member in good standing with the Better Business Bureau of Wisconsin. [ Central Vacuums ] [ Security Systems ] [ Stereo Systems ] [ Intercom Systems ] [ Structured Wiring ]