Samart Corp. Public Co., Ltd. is a holding company, which engages in design and installation of telecommunications systems. It operates through the following segments: ICT Solutions and Services; Digital; Call Center; Utilities and Transportation; and Technology Related Services. The ICT Solutions and Services segment offers solutions and services in information and communication technology including network solutions, enhances technology in ICT and business application ranging from consulting, system design, installation and implementation, operation, and maintenance as total solutions and services for clients in government and private sectors. The Digital segment covers integrated businesses in digital network, solution, and content. The Call Center segment comprises of outsourced contact center, customer management services, and turnkey total solutions in Thailand and Cambodia; and also provide digital service innovation, debt collection, and training institute. The Utilities and Transportations segment consists of air traffic control services, electricity supply in Cambodia, and design and installation services of electrical power transmission systems. The Technology Related Services segment manufactures and distributes television and radio antennas, and satellite dishes, distribution, installation, and maintenance of communication and security systems. The company was founded by Cherdchai Vilailuck on March 7, 1989 and is headquartered in Nonthaburi, Thailand.