– ARLINGTON SQUARE – ARLSTRUM – ARMAND – ARMONICA – ARMSTRONG PIANO CO. – ARIONOLA – ARIOSO AUTOMATIC ORGAN – ARIRANG – ARIRIO – ARISTANO – ARISTO – ARISTOCRAT – ARISTON – ARISTOS – ARKULA – ARKVALE – ARLINGTON PIANO CO. – ARCHIBALD – ARDEN – ARDUINO, LUIGI – ARENS – ARGUS – ARGYLE – ARIA DIVINA – ARION PIANO CO. – APOLLO – APOLLOETTE – APOLLOGRAND – APPLETON and GOODRICH – APPLETON and HANNERS – APPLETON and WARREN – APPLETON, THOMAS – ARASA, JAIME, ELIAS – ARBURO – ARCADE PIANOS – ARCHAMBAULT, ED – ARCHER PIANO CO. – ANITA – ANN ARBOR ORGANS – ANN ARBOR – ANNEESSENS, PAUL – ANNELI – ANSLEY – ANTHONY – ANTISELL, THOMAS – ANTISELL – ANTONIO, ALBERDI – ANZINGER – ANZLING – APARTMENT GRAND – APOLLO-PHONE – APOLLO PIANO CO. – ANGESCHEIDT, EVRARD – ANGLO,HANOVERIAN PIANO – ANGUERA PIANO CO.
– ANDSON – ANELLI – ANGELOPIAN – ANGELUS (Faber) – ANGELUS PIANO CO. – ANDRE – ANDREAS PIANOFORTE – ANDREASON, P. – ANDERSON, W.CROWFORD – ANDERSON, WM – ANDERSON,ANDREW,JOHN – ANDRE, C.A. – ANDERSON, GEORGE – ANDERSON, MORTIMER – ANDERSON, POUL – ANDERSON, W.C. – ANDERSON and NEWTON – ANDERSON and SONS – ANDERSON (Chicago) – ANDERSON (Minneapolis) – ANDERSON BROS. – AMPICHRON – AMPICO-SYMPHONIQUE – AMPICO – AMPLITHEME – AMPLITONE – AMSTERDAM, H. – AMHERST PIANOS LTD – AMMER, GEBRIEL – AMMERMAN – AMMOND – AMPHION PIANO CO. (NY) – AMERICAN PIANOS – AMERLING PIANO CO. – AMBRIDGE, HENRY – AMENDER – AMERICAN CRAFTMAN – AMERICAN PIANO CO. PHOTO-PLAYER – AMBERG and PFISTER – AMBERG – AMBLER and CO. – ALMO or ALAMO – ALTENBERG and GRAUE – ALTENBURG, OTTO (by SAMICK) – ALTENBURG, OTTO – ALTENBURGH – ALTESTES – ALTMAN – ALTONE – ALTOONA – ALTPETER – ALVIN – ALVOID – ALVORD – AM. – ALLGAVER and ZOON,JJ – ALLISON and COMPANY – ALLISON and SONS – ALLISON PIANOS – ALLISON, RALPH – ALLMENDINGER ORGANS – ALLMENDINGER PIANO – ALLOVAN, A and F – ALLOVAN, J.D.
– ALLEN and CAUNTER – ALLEN and JEWETT – ALLEN and SMITH – ALLEN and SONS – ALLEN and THOM – ALLEN and TOM – ALLEN, GEORGE – ALLEN, HENRY – ALLEN, MARK – ALLEN, WYLIE B. – ALIMO – ALLEGER, BOWLBY – ALLEGER, H.M. – ALBRIGHT – ALBRO – ALDEN (LESTER) – ALDEN, MARCUS – ALDEN – ALDRICH (CABLE) – ALDRICH (ESTEY) – ALDRICH (SHERMAN) – ALDRICH (STEINERT) – ALEMBER – ALEXANDER ORGAN – ALEXANDER – ALEXANDRA – ALEXANDRE – ALEXIS – ALIAS, G. – ALBRECHT, R and S – ALBRECHT, WENZEL – ALBREKTSON, A.C. – ALBERT – ALBERTSON ORGANS – ALBERTSON – ALBION – ALBRECHT, CHARLES – ALBRECHT, CHRISTIAN – ALBRECHT, H. – ALBANA, HORATIUS – ALBANI, GUISEPPE – ALBERKSEN, A.C. – AKOTIST PLAYER – ALAMO or ALMO – ALANSON, H and J – ALBAN, J. and CO – AHULTING, FRANCE – AINSWORTH – AIR-CALIO – AIR-O-PLAYER ACTION – AJELLO and SONS – AKASHIYA MFG. – AEOLIAN PIANOLA CO – AEOLIAN – AERIOL PLAYERS – AERIOLA-CHILTON – AERIOLA – AERIOLE – AERO-TONE PIANO – AGMONINO – AGTHE, OSCAR – AGUIRRESABAL – AHLBORN ORGANS – AHLBORNandSTEINBACH – AHLSTROM, C.A.
– ADLUNG, JACOB – ADOLPH, MAX – ADRIEN – ADZMANN and PLUMH – AEGETER – AELBRECHTS – AELRIECHTS, JACOB – AEOLIAN AMERICAN – AEOLIAN CO. – ADAMS, THOMAS – ADAMS, W.K.and SONS – ADAMSON – ADDICK – ADDISON and NUTTING – ADDISON – ADEK MFG. KREFELD – ADAM, GERHARD – ADAM, MAX – ADAMS and READ – ADAMS, C.C. – ACME ORGANS – ACOUSTIGRANDE – ACROSONIC – ADAM, ALEXANDER – ADAM, ERNEST – ADAM, F. – ACKSTEIN – ACKSTROM – ACKTOTEST PIANO CO. – ACKERMAN, GEORGE – ACKLEY, HENRY and CO. – ABBOTT, JOHN – ABBOTT, WILLIAM – ABEL and SHERMAN – ABEL and SON – ABEL – ABELINE – ABEND – ABENDSON – ABIMELICH – ABLER – ABORN – ACACIA MFG WORKS – ACACIAN – ACADEMY – ACCORDIO-TONE – ACHILLES,O-BERLIN – ACKERMAN and LOWE – ACKERMAN KASSELMAN – ACKERMAN, F.J. – ABBINGTON – ABBOTT and SMITH – ABBOTT, E.M.