Thai Optical Group PCL - Manufacturer of organic, minerial, and prescription lenses. Features optic design and lens material. [Thai, English] Charoensri Gems Co., Ltd. - Gem cutting company with focus on marcasite. E IT Computing Recruitment Co., Ltd. - IT and engineering recruitment service by database search and advertising. Facilitates interview at office and off-site. [Thai, English] Estel Company Limited - Producers of small and medium capacity transformers and inductors. Husan Industrial Co. Ltd - Manufacturer of ventilators. Hyper Creation Co., Ltd. - Consultant for web design, maintenance, promotion, software development, graphics, ecommerce, and hosting. L.T.I. Supply, Co., Ltd. - Exporter of food and a variety of consumer products. Located in Nonthaburi. Maskmodel - Offers rockworks, sculptures, junk-art and resin models and magnets. Q-Dot Technology Co., Ltd. - Provides pre-engineering, pre-fabricated and pre-tested wall and ceiling systems, and cleanroom facilities.