Two other foreign squads in the league are Adroit of Singapore and Kabayan Pilipinas of the Philippines. There are seven Thai clubs.
Each team will play 18 matches during the four-month competition.
In the fourth match on January 15, the Buffaloes met Adroit from Singapore and beat them by a score of 79-67. Earlier, they defeated PEA from Thailand 77-67 in the third round.
The team next meets Hi-tech Bangkok City in the fifth match of the season.