- Associated Pipe Organ Builders of America
- American Organ Academy
- International Society of Organbuilders
- The Institute of British Organ Building
- Organ Clearing House
- PipeOrgans.Com Preserving, restoring, rebuilding pipe organs
- American Guild of Organists
- Organ Historical Society
- American Theatre Organ Society
- The British Institute of Organ Studies
- Friends of Wanamaker
- The Diapason Magazine
- The Church Organ Trader
- OHS On-Line Catalogue
- OHS Pipe Organ Database
Nolte Organ Building
Milwaukee, Wisconsins
Email: info@nolteorgans.com
Marylou Davis, Inc.
Woodstock, Connecticut
Email: maryloudavis12@gmail.com
Arndt Organ Supply Company L.L.C.
Ankeny, Iowa
Email: arndtorg@earthlink.net
A.R. Schopp’s Sons, Inc.
Alliance, Ohio
Email: bob@arschopp.com
Broome & Co. – Reed Voicers
East Granby, Connecticut
Email: broomereeds@cox.net
Classic Organ Works
Ontario, Canada
Email: henryw@organworks.com
Clayton Acoustics Group
Penfield, New York
Email: mail@claytonacoustics.com
Integrated OrganTechnologies, Inc.
Atlanta,Georgia
Email: info@IOTI.com
JL Weiler, Inc.
Chicago, Illinois
Email: info@jlweiler.com
PipeOrganControl by Matters
Hermosa, South Dakota
Email: hematters@gmail.com
Organ Supply Industries, Inc.
Erie, Pennsylvania
Email: osi@organsupply.com
Peterson Electro-Musical Products, Inc
Alsip, Illinois
Email: email@petersonemp.com
Solid State Organ Systems
Alexandria, Virginia
Email: salesus@ssosystems.com
Syndyne Corporation
Vancouver, Washington
Email: benyoung@syndyne.com
Zephyr Electric Organ Blower
Orrville, Ohio
Email: kate@zephyrblower.com
Some of the convention topics are listed below.
2001 Convention – Boston, Massachusetts
- DVD 201-01: The Organs of E. & G.G. Hook, Barbara Owen
- DVD 201-02: Historically Sympathetic Rebuilding, Robert Newton
- DVD 201-03: Relief Pallets and Servo Mechanisms, Rick Isaacs
- DVD 201-04: The Noack Method of Mechanical Action, Fritz Noack
- DVD 201-05: The Architect and Organs, Frank Olney
2002 Convention – Los Angeles, California
- DVD 202-01: The Los Angeles Art Organ Company, Ray Biswanger
- DVD 202-02: Designing Organs in Response to Clients’ Needs, Steuart Goodwin
- DVD 202-03: Truth in Winding, Harold Scholl
- DVD 202-04: The Cathedral Organ: The Truth Revealed, Manual Rosales
Design Adventures: Collaboration with Architects, Lynn Dobson - DVD 202-05: Entering the Tonal Unknown – Lecture/Demonstration, John Panning with Samuel Soria, Organist
- DVD 202-06: Organ Structure: Preparing for the Big One!, John Seest
- DVD 202-07: Adjusting Manual Keyboards, David Harris
- DVD 202-08: The Electro-pneumatic Slider Chest Revisited, Lyle Blackington
- DVD 202-09: Zen and the Art of Organ Maintenance, Joe O’Donnell
- DVD 202-10: If Only! Organ That Never Were, Jonathan Ambrosino
- DVD 202-11: Swell Box Design and Construction – Panel Discussion, Michael Barone, Moderator
Roy Redman. Robert Vaughan, Jack Bethards - DVD 202-12: “The Aging of Organ Leather” and Related Topics, Harley V. Piltingsrud
- DVD 202-13: The Melbourne, Australia Project, Jeff Dexter and Eric Gastier
2003 Convention – Atlanta, Georgia
- DVD 203-01: Glues: Sticky Issues of Organbuilding, Eugene Bjorn Thordahl
- DVD 203-02: How to Fly a Pipe Organ: Airplane Cockpit or Organ Console, Fred Bahr
- DVD 203-03: Blinkin’ and Puffin’: The Mystery of Primary Actions, William Czelusniak
- DVD 203-04: Mind Your Own Business, Patrick Murphy
- DVD 203-05: Acoustics in Existing Buildings, Dawn Schuette
- DVD 203-06: The Mystery of Hollowed Wood, John Nolte
- DVD 203-07: Acoustics in New Buildings: Get it Right the First Time, Rein Pirn with Richard Morris, Organ
- DVD 203-08: Contemporary Sight and Sound: Looking Forward and Backward, Jack Bethards with David Brensinger, Organ
- DVD 203-09: Making the Most of Wood Resources – A Strategy for the 21st Century, John Boody
- DVD 203-10: Finishes: Protecting Perfection, Bal JorrinDVD 203-11: The Auditorium Armory Organ in Atlanta, Lee Orr
2004 Convention – New York, New York
- DVD 204-01: The Orchard in the Apple, Stephen Pinel
- DVD 204-02: Minding Your Own Business, Mike Foley
- DVD 204-03: The Canon Rules of Good Case Design, Didier Grassin
- DVD 204-04: What Goes Where and Why, Sebastian Gluck
- DVD 204-05: First, Do No Harm – Panel Discussion, Laurence Libin, moderator
Joseph Dzeda, Richard Hamar, Scot Huntington - DVD 204-06: Command and Control – Panel Discussion, Richard Houghten, moderator
Duncan Crundwell, Allen Miller, Scott Peterson, Henry Wemecamp, Arthur Young - DVD 204-07: A New Age for the Concert Hall Organ, Craig Whitney