Instruments
- 1821
- Fratelli Ruffatti
- History and company information, testimonials, lists of representatives and recordings. Padua, Italy.
- 1823
- Gebroeders Decap
- Antwerp builder of pipe organs, dance organs and street organs. Company history, instruments and CD information.
- 1824
- Glatter-Götz Organs
- Information on instruments built by this south German firm as well as concept drawings of modern organs. [German/English]
- 1826
- Gober Organs Inc.
- Photos and stoplists of selected organs, company philosophy, information about tonal revisions.
- 1827
- Goetze and Gwynn
- History and aims, information on new and restored organs, and list of Harley Monographs for sale.
- 1829
- Guilbault-Thérien
- French (with some English) site of Québec organbuilder has photos, specifications and some RealAudio recordings.
- 1830
- Harvey Smoller Service
- Pipe and electronic organ repair. List of services and recent projects. North Hollywood, California.
- 1834
- J.F. Nordlie Company
- Photographs and stoplists of instruments built through the last 25 years. Sioux Falls, SD.
- 1835
- Jacob Gerger & Sons
- Builds and restores pipe organs in the northeast United States. History, description of services. Croydon, Pennsylvania.