Both men were killed in a fiery car crash Nov. 30. The circumstances of the single-car collision remains under investigation.
TMZ said most of the employees of their Valencia auto shop have already left the business or are looking for new jobs. The shop itself is being cleaned out and the cars will be auctioned off, the celebrity news website said Wednesday.
Walker was an actor best known for starring in the "Fast and the Furious" car racing movies.