Individuals:

 

AUSTRIA

Tania Spalt EGB Membership coordinator and Founding member contact Tania
Ernst Rainer Pozar
Andreas Seyer-Klicznik
Agnes Szauter
Adam Wehsely-Swiczinsky

BELGIUM

Pablo Sánchez Otero

CANADA

Jamie Gale
William 'Grit' Laskin
Dan MacPherson
David Wren

DENMARK

Ole Willumsen

FINLAND

Emma Elftorp Founding member

FRANCE

Jacques Carbonneaux Founding member 
Roberto Cardi
Jonathan Eastmond
Pierre Journel, The Guitar Channel

GERMANY

Ida Bessa
Dan Mihai Curteanu
Michael Dubach
Michael Haas
Mike Hembury
Christina Hoss
Kora Jünger Founding member 
Jan Klingenberg
Pascal Koenig
Helmuth Lemme
Bernhard Lindgens
Martin Meckbach
Bastian Ortner
Adam Pearson
Heinz Rebellius
Dieter Roesberg
Stefan Schleicher
Uwe Schmidt
Max Spohn

INDIA

Karan Singh

ITALY

Maurizio Cuzzolin
Marco D'Andrea
Vincenzo Pascariello

NETHERLANDS

Charles Janssen
Daan Marinus

POLAND

Daniel Siwecki

SINGAPORE

Zen Yong Ho (Hozen)

SLOVENIA

Djordje Grubac

SWITZERLAND

Massimo D'Angelo
Nunzio Verdinero

TURKEY

Cem Öcek

UNITED KINGDOM

Len Dawes
Shaun Miller
Marc Ransley
Joss Winn

USA

Leonardo Buendia
Bob Gore
Isaac Jang
TV Jones
Jason Kostal

 

Organisations:

 

BELGIUM

CMB Centrum voor Muziekinstrumentenbouw vzw (CMB) and the Leonardo Guitar Research

DENMARK

Vintage and Rare Vintage and Rare

FINLAND

The Guild of Finnish Luthiers Suomen Soitinrakentajien Kilta ry

FRANCE

APLG France Association Professionnelle des Luthiers artisans en Guitare et autres cordes pincées

GERMANY

Kammler Tunator Cabinets Kammler Tunator Cabinets

SPAIN

LuCE - Luthieres Contemporáneos de España

UNITED KINGDOM

Tonetech Ltd Tonetech Ltd
George Lowden Guitars George Lowden Guitars

UNITED STATES

A.S.I.A. Association of Stringed Instrument Artisans