Ahlborn Classical Organs: English/Italian site includes company history, audio samples, list of models and distributors.
Allen Organ Company: Electronic organ builder in Macungie, Pennsylvania. All digital instruments and pipe/digital combinations. Theatre and classical style instruments.
Compton Organ Specialists: Electronic church organs. Description of different lines and features.
Copeman Hart & Company Ltd: Custom built electronic church organs since 1960.
Johannus: Digital sampled church organs. Company profile, organ model information.
Lowrey Organs: Manufacturer of electronic organs for entertainment. Products, classes, information on music-making and wellness.
Norwich Organs: Manufacturers of digital classical organs. Brochure, list of installations, price list.
Rodgers Instruments: A manufacturer of electronic and combination organs.