Certified Business Brokers (CBB), established in 1974 with headquarters in Houston, Texas is one of the pioneers of the business brokerage profession and is one of the oldest and largest business brokerage firms in the U.S. They are a founding member of the International Business Brokers Association (IBBA), which is the largest business brokers association in the world, and the Texas Association of Business Brokers (TABB), the precursor and model used to form the IBBA and other business brokers associations across the country.