――― ドラムメーカー (OPC drum) ―――
▶ キヤノン
▶ リコー
▶ 富士ゼロックス
▶ コニカミノルタ
▶ 京セラミタ
▶ シャープ
▶ 三菱化学
▶ 富士電機デバイステクノロジー
▶ 山梨電子工業
▶ Xerox Corporation
▶ Lexmark
▶ HANP (Baiksan OPC)
▶ Park & OPC (Daewon)
▶ CEMS
▶ AlphaChem
▶ NeoPhotocon
▶ Sinonar
▶ GreenRich Technology
▶ TSIC tec
▶ OPC Technology Japan
▶ Handan PhotoC
▶ Suzhou GoldenGreen
▶ Precise OPTO-Electronics (Gantech Opto-Electronics)
▶ 広州 Photoconductor
▶ AEG
▶ パナソニックコミュニケーションズ
▶ Sindoh
▶ KIRIM Semitec Baltea
▶ 広州 FiveStar Alliance Office Consume Material
▶ Foshan Nanhai Tianying Office Equipment Factory
――― トナーメーカー (toner) ―――
▶ キヤノン
▶ リコー
▶ 富士ゼロックス
▶ コニカミノルタ
▶ 京セラミタ
▶ シャープ
▶ 東芝テック
▶ パナソニック
▶ カシオ電子工業
▶ 巴川製紙所
▶ 三菱化学
▶ アイメックス
▶ 日本ゼオン
▶ 花王
▶ サカタインクス
▶ 大研化学工業
▶ 三笠産業
▶ Xerox Corporation
▶ Lexmark
▶ Oce
▶ Punch Graphix
▶ Kodak Nexpress
▶ Coates Electrographics
▶ Color Imaging
▶ AQC Group
▶ Raven Industries
▶ ICMI (Nu-Kote、ICMI China)
▶ Pelikan Hardcopy
▶ FUJIFILM Imaging Colorants (Avecia)
▶ CangZhou ASC Toner Production
▶ Baltea Toner
▶ Integral International (Elfotec)
▶ IPM (Imaging Products Manufacturing)
▶ Bulat Group
▶ LG Chem
▶ Saehan Media
▶ CIT (Creative Imaging Technology)
▶ DPI Solutions
▶ Union Chemical
▶ HANP (Baiksan OPC)
▶ TTI (Trend Tone Imaging)
▶ RPT(Royal Precision Technology)
▶ Sinonar
▶ JADI Imaging Technologies
▶ Indian Toners & Developers
▶ Supreme Imaging
▶ Tianjin Zhonghuan TCOA Electronics Company
▶ Handan Hanguang OA Toner
▶ Wuhan PointRoll Information Technology
▶ Wuxi JiaTeng Magnetic Powder
▶ ChangZhou Tuna Toner Technology
▶ Union Mark Image Technical
▶ Guangzhou Comet Chemistry
▶ Wuhan ZongXiang Imaging
▶ Wuxi Tianxing Office Consumable Materials
▶ Ningbo FLEXITONE New Material
▶ 東洋インキ製造
▶ 日立金属
▶ 東京インキ
▶ FDK
▶ DIC
▶ 越谷化成工業
▶ Info-Lab
▶ Zhanjiang Huinon Toner & Ink Development
(2009年1月現在)