Aeroklas Co.Ltd or ARK is a member of the Eastern Polymer Group of Companies (EPG) and has been producing finished rubber and plastic products for over 50 years. In 1996 the company expanded its business into producing pick-up truck bed liner under the Aeroliner and Heroliner brands and is now recognized as the leading manufacturer in the Thai market. The company has now diversified to cover a range of car and pickup truck accessory products for both Thailand and overseas markets.