According to the ATF database, there are 4 registered FFLs in Burton, Michigan.
G-3085 S DORT HWYBURTON, MI, 48529
G-4190 E COURT ST #103BURTON, MI, 48509
1110 E BRISTOL RDBURTON, MI, 48529
4170 FLINT ASPHALT DRIVEBURTON, MI, 485290000