Mark A. Zajac & Co. Return to Central California Businesses Directory Mark A. Zajac & Co. Claim Listing Return to Central California Businesses Directory Description Details Address 3183 Collins Dr Ste B City Merced State California ZIP Code 95348 Phone (209) 722-1589 Listing Category Accountants - Listings Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?