Dealer Automotive Services, Inc. (DAS) was founded in Minnesota in 1976 by brothers Dean and Stanley Rosoff as an aftermarket installation company specializing in the needs of automotive dealerships in the Minneapolis/St. Paul area. In the decades that have followed, the Company has remained a family owned business and has grown substantially by expanding our sales area to include the general public and repair shops throughout the nation. We now have a 10 bay service shop and an extensive warehouse for automotive parts.