AmEx and U.S. Black Chambers Roll Out First-Ever National Certification Program for Black-Owned Businesses Posted byEmily Rella September 20, 2021February 1, 2022 Leave a comment on AmEx and U.S. Black Chambers Roll Out First-Ever National Certification Program for Black-Owned Businesses The expansion of USBC’s ByBlack program will now offer added visibility and support for Black-owned businesses.