Howard Industries Inc.
Manufactures electronic and magnetic fluorescent ballasts and HID ballasts. Online line card and PDF data sheets and cross reference guides available for download.
http://www.howard-ind.com/HowardLighting/DefaultPage.asp

Iota Engineering Co.
IOTA Engineering manufactures quality emergency ballasts for fluorescent lamps, AC/DC power converters, battery chargers and other electrical products for the RV and other industries, DC inverters ballasts.
http://www.iotaengineering.com

Universal Lighting Technologies
full line ballast manufacturer of Universal and Triad brand ballasts for electronic, compact fluorescent, HID, dimming and magnetic lamps, and sign ballasts and neon transformers.
http://www.universalballast.com

Hatch Transformers Inc.
Hatch Transformers, Inc.
http://www.hatchtransformers.com/

CompuCharge Industries
Manufactures electronic ballasts for HID, fluorescent and CFL lamps.
http://www.compucharge.com/

Interballast Inc.
Designs and manufactures fluorescent electronic DC ballasts for use in vehicle lighting
http://www.interballast.com/

BAST Lighting Company Ltd.
ISO 9001 company producing electronic ballasts, electronic transformers and fluorescent lighting fittings.
http://www.bastlighting.com.hk/

Ningbo Beichi Illuminating decorations Co.,Ltd
Manufactures electronic ballasts for fluorescent lamps.
http://www.luchilighting.com/

Future Wave Technologies, Inc.
Manufacturer of electronic ballasts for all sectors of the residential, commercial, and industrial lighting markets.
http://www.futurewavetechnologies.com/

Oriental Hero Electrical Factory
Power transformers, AC adaptors, DC adaptors, and electronic ballasts. From China.
http://www.orientalhero.com/