CB Merchant Services - formerly known as the Credit Bureau of Stockton - is celebrating their 100th Anniversary Wednesday, June 14, 2017 from 4:30 to 6:30pm. CB Merchant Services is located at 217 North San Joaquin Street, Stockton. In 1917, a group of innovative Stockton merchants purchased Mayor E.V. Burke’s credit bureau for $3,000. Over the years, CB Merchant Services (CBMS) has evolved to include collection, eviction and billing services, and is proud to continue operation as a merchant owned, mutual benefit, not for profit organization.