Utility Business Alliance Public Company Limited provides technical engineering and other related services in Thailand. It undertakes the contracts for wastewater treatment system operation, which includes wastewater treatment system maintenance services. The company also provides integrated operation and maintenance services, including startup and commissioning, operation and water management, maintenance, and troubleshooting services. It also offers engineering services, such as design and consulting, procurement and installation, and construction services. The company was founded in 2000 and is headquartered in Bangkok, Thailand.