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Deep Fire USA
Manufacturers of airsoft components.
http://www.deepfireusa.com

I Chih Shivan Enterprise Co., Ltd.
Taiwan manufacturer of AEGs including upgrade and replacement parts. Includes product summary and contact information.
http://www.icsbb.com

JIA DYI Enterprise
Manufacturer and exporter of airsoft electric guns, gas guns, and string guns and accessories. Taiwan.
http://www.jiadyi.com

Unicorn Hobby Corporation
Taiwan manufacturer and exporter of airsoft guns including gas, air, and electric models. Includes product summary and contact information.
http://www.toygunuhc.com.tw/