Union Pioneer PCL (บริษัท ยูเนี่ยนไพโอเนียร์ จำกัด) is a company that manufactures and distributes elastic products. It offers products made of natural and synthetic rubber such as threads and tapes, elastic braids and webbings, crochet and covering yarns for intimate apparel, lingerie, swimwear, rim and waist of pants, rim of shower caps, swimming caps, diapers, sofa covers, fitted bed sheets and strap ins. The company also provides medical and physical health equipment.