| Alfred Dronge / Guild Guitars, New York | brand owner | USAno source |
| Arai Trading (Gibson distributor, Japan) | distributor | Japan[1] |
| Avnet, Inc. | holding | USAno source |
| Baillie Lumber | timber supplier | USAno source |
| Baldwin Piano & Organ Co. (Richard Harrison) | brand owner | USAno source |
| BandLab Technologies | holding | Singaporeno source |
| Caldecott Music Group | holding | USAno source |
| C.A. Spencer Inc. | timber supplier | Canadano source |
| C.F. Martin & Co., Inc. (Martin family) | brand owner | USAno source |
| Charles Summerfield Ltd | distributor | UKno source |
| Chicago Musical Instrument Co. (CMI) | holding | USAno source |
| Cordoba Music Group, LLC | brand owner | USAno source |
| Cor-Tek (Cort Guitars), South Korea | contract manufacturer | South Koreano source |
| Crelicam | sawmill | Cameroonno source |
| Daewon / Muse / Saein / Zaozhuang Saehan (Chinese contractors) | contract manufacturer | Chinano source |
| D.H. Baldwin & Co. | brand owner | USAno source |
| Drum Workshop, Inc. (DW) | brand owner | USAno source |
| Dyna Gakki | contract manufacturer | Japanno source |
| Ecam Placages S.A. | timber supplier | Cameroonno source |
| Epiphone, Inc. (Stathopoulo family) | brand owner | USAno source |
| FAAS Corporation (renamed U.S. Music Corp. 1993) | brand owner | USAno source |
| Fender Musical Instruments Corporation | brand owner | USAno source |
| Fred Gretsch Co. | distributor | USAno source |
| Fred Gretsch Enterprises, Ltd. (Fred W. and Dinah Gretsch) | brand owner | USAno source |
| FujiGen (Fuji Gen Gakki) | contract manufacturer | Japanno source |
| Gemwood Division of GMD International | sawmill | Indiano source |
| GEWA music GmbH | brand owner | Germanyno source |
| Gibson Guitar Corp. / Gibson Brands | brand owner | USAno source |
| Gibson Mandolin-Guitar Mfg. Co., Ltd. (later Gibson, Inc.) | brand owner | USA[2] |
| Gretsch family / Fred Gretsch Manufacturing Co., Brooklyn | brand owner | USAno source |
| Groupe Savoie Inc. | timber supplier | Canadano source |
| Hagner Musical Instruments | contract manufacturer | USAno source |
| Harmony Company (independent, Kraus-led) | brand owner | USAno source |
| Heritage Guitar, Inc. | brand owner | USAno source |
| Hermitage Hardwood | timber supplier | USAno source |
| Hexcel Corporation | other | USAno source |
| Holders of the Harmony name after 1975 (unverified) | brand owner | USAno source |
| Hoshino Gakki Co., Ltd. | brand owner | Japanno source |
| Hoshino Gakki Ten, Inc. | brand owner | Japanno source |
| Hoshino Shoten (Nagoya) | brand owner | Japanno source |
| Hoshino (U.S.A.) Inc. | distributor | USAno source |
| Jishnu Exports | sawmill | Indiano source |
| Julius Breckwoldt & Son | timber supplier | USAno source |
| Kaman Corporation / Kaman Music Corporation | brand owner | USAno source |
| KKR-led creditor group (Gibson) | holding | USAno source |
| Madinter | timber supplier | Spainno source |
| Management/investor group incl. George Gruhn (legal name unverified) | brand owner | USAno source |
| Matsumoku Industrial | contract manufacturer | Japanno source |
| Newman Lumber Company | timber supplier | USAno source |
| Norlin Corporation (ECL) | holding | USAno source |
| Overseas Traders | sawmill | Indiano source |
| Pacific Rim Tonewoods | timber supplier | USAno source |
| Paul Reed Smith Guitars (PRS) | brand owner | USAno source |
| Peerless (Korea) | contract manufacturer | South Koreano source |
| Perum Perhutani | forest manager | Indonesiano source |
| PlazaCorp Realty Advisors (Kalamazoo) and investors | brand owner | USAno source |
| Posey Manufacturing Co. | timber supplier | USAno source |
| PT BRIK Quality Services | verifier | Indonesiano source |
| PT Cort Indonesia | contract manufacturer | Indonesiano source |
| PT Equality Indonesia | verifier | Indonesiano source |
| PT Samick Indonesia | contract manufacturer | Indonesiano source |
| PT Wildwood | contract manufacturer | Indonesiano source |
| River Works Ltd. | timber supplier | Belizeno source |
| Robinson Lumber Company | timber supplier | USAno source |
| Samick Musical Instruments | contract manufacturer | South Koreano source |
| SCS Global Services | verifier | USAno source |
| Sears, Roebuck and Co. | holding | USAno source |
| Sunstex Co., Ltd. | timber supplier | Ghanano source |
| Tama Seisakusho | contract manufacturer | Japanno source |
| Taylor Guitars ESOP | holding | USAno source |
| Taylor Guitars (Westland Music Co. / Taylor-Listug) | brand owner | USAno source |
| Teisco | contract manufacturer | Japanno source |
| Terada Gakki | contract manufacturer | Japanno source |
| The Harmony Company (Wilhelm Schultz), Chicago | brand owner | USAno source |
| Vista Musical Instruments | brand owner | USAno source |
| West Coast Arborists, Inc. | timber supplier | USAno source |
| Westheimer Corporation (Northbrook, IL) | distributor | USAno source |
| World Musical Instrument Co. (WMIC) | contract manufacturer | South Koreano source |
| Yamaha Corporation | holding | Japanno source |
| Yamaha Guitar Group, Inc. | holding | USAno source |
| Yamaha Music Manufacturing Indonesia (YMMI) | contract manufacturer | Indonesiano source |
| Yamano Gakki (Gibson distributor, Japan) | distributor | Japan[3] |