Music industry directory.

Oaktone, Limited

Manufacturer · Clearwater Bay, Hong King, TN, United States

Listed in the 2026 NAMM exhibitor directory.

Brands: Oaktone

OBSBOT TECHNOLOGY LIMITED

Manufacturer · Nanshan District Shenzhen, Guangdong, China

Listed in the 2026 NAMM exhibitor directory.

Ocean Way Audio, Inc.

Manufacturer · Burbank, CA, United States

Listed in the 2020 NAMM exhibitor directory.

Brands: Ocean Way Audio, Ocean Way Drums, Ocean Way Monitors, Ocean Way Recording, Ocean Way Studios

Octave Technologies

Industry company · Nicosia, Cyprus

Listed in the 2026 NAMM exhibitor directory.

Odery Drums Brazil

Manufacturer · Campinas, Sao Paulo, SP, Brazil

Brands: ODERY Drums

Odyssey Innovative Designs

Manufacturer · San Gabriel, CA, United States

Listed in the 2026 NAMM exhibitor directory.

oeksound Ltd.

Manufacturer · Helsinki, Finland

Listed in the 2026 NAMM exhibitor directory.

OEP Inc.

Manufacturer · Wheeling, IL, United States

Olinto Basses

Manufacturer · Newburgh, NY, United States

Olympia

Manufacturer · Inchon,, South Korea

Listed in the 2026 NAMM exhibitor directory.

Brands: Olympia Strings

Omega Sound Inc.

Industry company · Dover, Delaware, United States

Listed in the 2026 NAMM exhibitor directory.

OMG Music

Manufacturer · Sheridan, IN, United States

Listed in the 2026 NAMM exhibitor directory.

Brands: D'Addario, D'Andrea, Get'm Get'm, Henry Heller, Pete Schmidt, Rotosound

On-Stage

Manufacturer · Berlin, CT, United States

Listed in the 2026 NAMM exhibitor directory.

Brands: Allen & Heath, Ashly, Audio Technica, Avid, Biamp, Bosch

One F Sound

Industry company · Maineville, OH, United States

Listed in the 2020 NAMM exhibitor directory.

Brands: Gyraf, Gyraf Audio, MASELEC, Session Desk, Sessiondesk

OnSong

Industry company · Mechanicsburg, PA, United States

Listed in the 2026 NAMM exhibitor directory.

OOPEGG

Industry company · Tokyo, Japan

Listed in the 2026 NAMM exhibitor directory.

Brands: OOPEGG

Openhagen ApS

Manufacturer · Copenhagen, Denmark

Optima - Strings Made in Germany

Manufacturer · Markneukirchen, Vogtland, Germany

Listed in the 2026 NAMM exhibitor directory.

Opus1.io

Industry company · Palo Alto, CA, United States

Listed in the 2026 NAMM exhibitor directory.

Orange Amps

Manufacturer · Norcross, GA, United States

Listed in the 2026 NAMM exhibitor directory.

Orbian Drums

Manufacturer · Huntington Beach, CA, United States

Listed in the 2026 NAMM exhibitor directory.

Orkestra Zilleri San. ve Tic. Ltd. Sti

Industry company · Istanbul, Turkey

Listed in the 2020 NAMM exhibitor directory.

Brands: Apex, Cappadocia, Clap3raw, Classic, Comet, Dark Hammer

Ormsby Guitars

Manufacturer · O'Connor, W A, Australia

Listed in the 2020 NAMM exhibitor directory.

Brands: Ormsby Guitars CustomShop Australia, Ormsby Guitars GTR Series

Ortega Guitars

Manufacturer · Gutenstetten, TN, Germany

Listed in the 2026 NAMM exhibitor directory.

ORUGA

Manufacturer · Cordoba-Capital, Argentina

Brands: ORUGA Drums Effects

Otto Musica Corp.

Manufacturer · Huntingdon Valley, PA, United States

Listed in the 2026 NAMM exhibitor directory.

OUT OF PHASE

Manufacturer · Paris, France

Listed in the 2026 NAMM exhibitor directory.

Ovaltone

Manufacturer · Kanagawa, Japan

Listed in the 2020 NAMM exhibitor directory.

Brands: Ovaltone

Ovation Guitars

Manufacturer · Gaithersburg, MD, United States

Oz GuitarWorks

Manufacturer · Cameron Park, CA, United States

Listed in the 2020 NAMM exhibitor directory.

Brands: OzGuitarWorks