AB Builders Group Limited is an investment holding company that provides construction services in Macau and Hong Kong. It operates through three segments: Fitting-Out Works, Structural Works, and Air Purification Business. The company offers substructure and superstructure works, including foundation works, basement works, piling, and pile cap works. It serves hotel and casino owners, property developers, government entities, and main contractors. Founded in 1998, the company is headquartered in Macau.