MAS Fabric Park is Sri Lanka's first privately owned apparel intensive free trade zone. Its' operations focuses primarily on the development and value addition of fabrics. MAS Fabric Park spans into 165 acres located in a tranquil environment in Thulhiriya, bordering Ma-Oya. The Park plays a strategic role in the vertical integration of the MAS supply chain. In tandem, the park also offers shared services to investors.

MAS Fabric Park provides industrial support services such as centralized water, power, steam supply and effluent treatment to investors who would set up shop within the Park making it a plug and play operation. The Park provides 10 MVA medium voltage power supply through an underground distribution system, purify (to WHO Standards) and supply a capacity of 9000 Cubic Meters of water (daily), provide effluent treatment for 8500 Cubic Meters of biological and chemical waste (daily), provide supply chain management solutions, food & beverage with industrial mega kitchen. It also provides chalet accommodation.

MAS Intimates Thurulie, Textprint Lanka, Trischel Fabrics, MAS Kreeda Methliya, MAS Fabrics Intimo, MAS Fabrics Matrix & Texo Private Limited operate their plants in the Park.

The success of the Thulhiriya Industrial Park has paved the way for MAS to invest in a second industrial park in Giriulla. Located within a 45-acre BOI zone in Mattegama, the park benefits from a strategic location with direct access from the Giriulla–Pannala Main Road. The combination of industrial, recreational and educational facilities sets the park apart from other industrial zones. Designed to support the core business and provide essential support services to investors, the park is equipped with essential utilities, including water and electricity, as well as a centralized water treatment plant. All facilities within the zone operate independently while benefiting from the shared infrastructure and strategic location of the park.