Machinery: Most profitable Japanese companies

Listed Japanese companies ranked by net income attributable to owners of the parent.

Corporate taxes paidRevenueNet incomeTotal assets World ranking →

211 listed companies (total ¥2.69T)

#Company Net incomeRevenueTaxes paidTotal assets
101 Nikko Co., Ltd.
6306 · Machinery · Mar 2026
¥2.5B¥49.4B¥1.1B¥64.4B
102 Odawara Engineering Co., Ltd.
6149 · Machinery · Dec 2025
¥2.3B¥18.2B¥639M¥24.9B
103 Kimura Chemical Plants Co., Ltd.
6378 · Machinery · Mar 2026
¥2.3B¥28.0B¥875M¥33.8B
104 Samco Inc.
6387 · Machinery · Jul 2026
¥2.2B¥10.8B¥751M¥21.5B
105 KVK Corporation
6484 · Machinery · Mar 2026
¥2.2B¥30.9B¥968M¥36.3B
106 Nitto Kohki Co., Ltd.
6151 · Machinery · Mar 2026
¥2.1B¥27.3B¥891M¥68.7B
107 フリュー株式会社
6238 · Machinery · Mar 2026
¥2.1B¥44.8B¥369M¥30.3B
108 Asahi Diamond Industrial Co.,Ltd.
6140 · Machinery · Mar 2026
¥2.0B¥42.0B¥444M¥79.2B
109 Zuiko Corporation
6279 · Machinery · Feb 2026
¥2.0B¥21.2B¥466M¥52.4B
110 Techno Smart Corp.
6246 · Machinery · Mar 2026
¥1.8B¥20.7B¥1.3B¥30.5B
111 Sakai Heavy Industries, Ltd.
6358 · Machinery · Mar 2026
¥1.8B¥27.5B¥478M¥43.9B
112 Nippon GEAR Co., Ltd.
6356 · Machinery · Mar 2026
¥1.8B¥9.9B¥693M¥17.2B
113 Yamada Corporation
6392 · Machinery · Mar 2026
¥1.7B¥16.2B¥579M¥21.1B
114 Nakakita Seisakusho Co., Ltd.
6496 · Machinery · May 2026
¥1.7B¥29.3B¥678M¥39.7B
115 Freesia Macross Corporation
6343 · Machinery · Mar 2026
¥1.7B¥6.9B¥523M¥39.3B
116 Yamashin-Filter Corp.
6240 · Machinery · Mar 2026
¥1.7B¥20.9B¥555M¥28.1B
117 Mamiya-Op Co., Ltd.
7991 · Machinery · Mar 2026
¥1.7B¥20.9B¥2.2B¥39.9B
118 Harmonic Drive Systems Inc.
6324 · Machinery · Mar 2026
¥1.6B¥59.6B¥2.1B¥111B
119 Ogura Clutch Co., Ltd.
6408 · Machinery · Mar 2026
¥1.5B¥41.7B¥273M¥47.3B
120 Okada Aiyon Corporation
6294 · Machinery · Mar 2026
¥1.5B¥27.0B¥589M¥40.0B
121 Giken Ltd.
6289 · Machinery · Aug 2025
¥1.5B¥26.3B¥878M¥47.8B
122 Yoshitake Inc.
6488 · Machinery · Mar 2026
¥1.5B¥10.3B¥396M¥21.3B
123 NS TOOL Co., Ltd.
6157 · Machinery · Mar 2026
¥1.4B¥9.5B¥513M¥19.6B
124 JUKI Corporation
6440 · Machinery · Dec 2025
¥1.4B¥88.8B¥693M¥121B
125 Marumae Co.,Ltd.
6264 · Machinery · Aug 2025
¥1.4B¥11.4B¥255M¥25.4B
126 Y.A.C. Holdings Co., Ltd.
6298 · Machinery · Mar 2026
¥1.3B¥26.5B¥589M¥43.8B
127 NPC Incorporated
6255 · Machinery · Aug 2025
¥1.3B¥9.3B¥986M¥12.9B
128 Hirano Tecseed Co., Ltd.
6245 · Machinery · Mar 2026
¥1.3B¥32.3B¥876M¥57.8B
129 Okamoto Machine TOOL Works, Ltd.
6125 · Machinery · Mar 2026
¥1.2B¥42.5B¥746M¥67.2B
130 Seiko Corporation
6286 · Machinery · Mar 2026
¥1.2B¥44.9B¥693M¥29.7B
131 tacmina corporation
6322 · Machinery · Mar 2026
¥1.2B¥11.2B¥469M¥14.5B
132 Sanei Ltd.
6230 · Machinery · Mar 2026
¥1.2B¥29.0B¥659M¥24.1B
133 Estic Corporation
6161 · Machinery · Mar 2026
¥1.2B¥8.0B¥556M¥12.8B
134 Airtech Japan,Ltd.
6291 · Machinery · Dec 2025
¥1.1B¥14.2B¥434M¥19.9B
135 Tokyo Kikai Seisakusho,Ltd.
6335 · Machinery · Mar 2026
¥1.1B¥8.5B¥216M¥16.0B
136 Yuken Kogyo Co., Ltd.
6393 · Machinery · Mar 2026
¥1.0B¥32.9B¥583M¥48.7B
137 Kanematsu Engineering Co., Ltd.
6402 · Machinery · Mar 2026
¥1.0B¥14.1B¥484M¥12.7B
138 Shibaura Machine Co., Ltd.
6104 · Machinery · Mar 2026
¥1.0B¥133B¥5.3B¥173B
139 Ishii Hyoki Co., Ltd.
6336 · Machinery · Jan 2026
¥890M¥15.7B¥190M¥15.9B
140 Showa Shinku Co., Ltd.
6384 · Machinery · Mar 2026
¥867M¥9.3B¥437M¥15.2B
141 Shima Seiki Mfg., Ltd.
6222 · Machinery · Mar 2026
¥856M¥33.5B¥193M¥110B
142 Punch Industry Co., Ltd.
6165 · Machinery · Mar 2026
¥851M¥42.1B¥790M¥34.3B
143 Hamai Industries Ltd.
6497 · Machinery · Dec 2025
¥831M¥12.7B¥283M¥21.6B
144 General Packer Co., Ltd.
6267 · Machinery · Jul 2026
¥829M¥11.2B¥195M¥11.4B
145 okano valve mfg.co.ltd.
6492 · Machinery · Sep 2025
¥825M¥7.0B¥567M¥14.5B
146 Hoden Seimitsu KAKO Kenkyusho Co., Ltd.
6469 · Machinery · Feb 2026
¥823M¥14.3B¥250M¥19.0B
147 Tokyo Automatic Machinery Works, LTD
6360 · Machinery · Mar 2026
¥808M¥9.7B¥638M¥17.4B
148 Asahi-Seiki Manufacturing Co., Ltd.
6111 · Machinery · Mar 2026
¥804M¥13.4B¥83.9M¥23.9B
149 Okumura Engineering Corp.
6229 · Machinery · Mar 2026
¥799M¥11.1B¥238M¥13.3B
150 Dijet Industrial Co., Ltd.
6138 · Machinery · Mar 2026
¥784M¥9.3B¥31.0M¥17.3B
151 Micron Machinery Co., Ltd.
6159 · Machinery · Aug 2025
¥783M¥5.8B¥201M¥15.6B
152 Sansei Co., Ltd.
6307 · Machinery · Mar 2026
¥769M¥7.0B¥159M¥7.4B
153 Kitagawa Seiki Co., Ltd.
6327 · Machinery · Jun 2026
¥750M¥6.6B¥291M¥10.7B
154 Maruyama Mfg.Co.,Inc.
6316 · Machinery · Sep 2025
¥743M¥41.3B¥258M¥39.1B
155 Howa Machinery, Ltd.
6203 · Machinery · Mar 2026
¥741M¥24.1B¥662M¥35.8B
156 KAJI Technology Corporation
6391 · Machinery · Mar 2026
¥724M¥7.8B¥238M¥12.3B
157 FUJI Seiko Limited
6142 · Machinery · Feb 2026
¥693M¥20.5B¥129M¥28.3B
158 Ishikawa Seisakusho, Ltd.
6208 · Machinery · Mar 2026
¥637M¥18.5B¥363M¥27.0B
159 Suzumo Machinery Co., Ltd.
6405 · Machinery · Mar 2026
¥603M¥15.9B¥838M¥19.1B
160 Nitcho Corporation
2961 · Machinery · Sep 2025
¥601M¥18.1B¥500M¥13.3B
161 TVE Co.,Ltd.
6466 · Machinery · Sep 2025
¥598M¥10.2B¥590M¥15.9B
162 OIZUMI Corporation
6428 · Machinery · Mar 2026
¥597M¥21.7B¥613M¥40.7B
163 JANOME Corporation
6445 · Machinery · Mar 2026
¥590M¥39.0B¥771M¥50.6B
164 Takatori Corporation
6338 · Machinery · Sep 2025
¥585M¥7.3B¥821M¥15.9B
165 Fuji Die Co.,Ltd.
6167 · Machinery · Mar 2026
¥573M¥17.4B¥128M¥25.7B
166 のむら産業株式会社
7131 · Machinery · Oct 2025
¥508M¥7.1B¥211M¥4.9B
167 Takamisawa Cybernetics Company,Ltd.
6424 · Machinery · Mar 2026
¥497M¥12.9B¥289M¥16.4B
168 TESEC Corporation
6337 · Machinery · Mar 2026
¥463M¥5.6B¥154M¥15.9B
169 Taihei Machinery Works,Limited
6342 · Machinery · Mar 2026
¥438M¥6.4B¥301M¥9.6B
170 Unozawa-gumi Iron Works,Limited
6396 · Machinery · Mar 2026
¥434M¥4.9B¥206M¥8.4B
171 Ecology and Combustion Inc.
6225 · Machinery · Jul 2026
¥354M¥2.7B¥157M¥4.2B
172 Yokota Manufacturing Co., Ltd.
6248 · Machinery · Mar 2026
¥339M¥2.3B¥179M¥3.7B
173 Nagaoka International Corporation
6239 · Machinery · Jun 2026
¥328M¥7.5B¥477M¥10.5B
174 Kikukawa Enterprise,Inc.
6346 · Machinery · Mar 2026
¥326M¥3.9B¥345M¥14.8B
175 Pegasus Co., Ltd.
6262 · Machinery · Mar 2026
¥324M¥21.7B¥260M¥45.0B
176 Takeda Machinery Co., Ltd.
6150 · Machinery · May 2026
¥298M¥5.1B¥112M¥7.8B
177 Yushin Company
6482 · Machinery · Mar 2026
¥287M¥23.1B¥675M¥39.8B
178 Nakamura Choukou Co., Ltd.
6166 · Machinery · Mar 2026
¥276M¥2.8B¥17.5M¥1.7B
179 Waida Mfg.Co.,Ltd.
6158 · Machinery · Mar 2026
¥276M¥6.7B¥237M¥12.5B
180 Sanden Corporation
6444 · Machinery · Dec 2025
¥274M¥191B¥1.2B¥186B
181 CONVUM Ltd.
6265 · Machinery · Dec 2025
¥249M¥2.0B¥116M¥6.4B
182 ENSHU Limited
6218 · Machinery · Mar 2026
¥236M¥19.2B¥60.0M¥30.0B
183 FUJI Seiki Co., Ltd.
6400 · Machinery · Dec 2025
¥231M¥8.7B¥139M¥9.8B
184 Takakita Co., Ltd.
6325 · Machinery · Mar 2026
¥206M¥6.5B¥166M¥9.9B
185 A-One Seimitsu Inc.
6156 · Machinery · Jun 2026
¥201M¥1.7B¥0¥8.1B
186 Nitchitsu Co., Ltd.
7021 · Machinery · Mar 2026
¥194M¥9.4B¥48.5M¥17.2B
187 株式会社 赤阪鐵工所
6022 · Machinery · Mar 2026
¥186M¥8.3B¥5.2M¥18.2B
188 KLASS Corporation
6233 · Machinery · Sep 2025
¥173M¥9.6B¥33.8M¥9.8B
189 Oriental Chain Mfg. Co., Ltd.
6380 · Machinery · Mar 2026
¥127M¥4.1B¥43.0M¥4.9B
190 NFK Holdings Co., Ltd.
6494 · Machinery · Mar 2026
¥88.4M¥3.7B¥100M¥8.2B
191 Placo Co., Ltd.
6347 · Machinery · Mar 2026
¥82.8M¥2.7B¥36.9M¥3.1B
192 Miyairi Valve Mfg.Co., Ltd.
6495 · Machinery · Mar 2026
¥60.7M¥7.0B¥10.9M¥8.8B
193 Kawata Mfg. Co., Ltd.
6292 · Machinery · Mar 2026
¥37.0M¥19.4B¥442M¥24.1B
194 Meiji Machine Co.,Ltd.
6334 · Machinery · Mar 2026
¥25.3M¥5.5B¥39.2M¥5.9B
195 Kuroda Precision Industries Ltd.
7726 · Machinery · Mar 2026
−¥96.7M¥19.5B¥36.8M¥29.2B
196 Takamatsu Machinery Co., Ltd.
6155 · Machinery · Mar 2026
−¥164M¥12.7B¥34.0M¥20.8B
197 Nakanippon Casting Co.,Ltd
6439 · Machinery · Mar 2026
−¥245M¥4.9B¥0¥8.5B
198 TSUDAKOMA Corp.
6217 · Machinery · Nov 2025
−¥262M¥35.4B¥122M¥29.4B
199 Yamazaki Co., Ltd.
6147 · Machinery · Mar 2026
−¥360M¥2.3B¥23.5M¥3.2B
200 Hephaist Co., Ltd.
6433 · Machinery · Mar 2026
−¥719M¥1.6B¥3.4M¥4.1B

By sector

Information & Communication608Services558Retail Trade323Wholesale Trade299Electric Appliances228Machinery211Chemicals201Construction149Real Estate131Foods125Other Products110Metal Products88Banks83Pharmaceutical81Transportation Equipment79Land Transportation61Glass & Ceramics Products51Precision Instruments51Textiles & Apparels47Other Financing Business43Iron & Steel35Warehousing & Harbor Transportation34Securities & Commodity Futures33Nonferrous Metals32Electric Power & Gas26Pulp & Paper24Rubber Products16Insurance15Fishery, Agriculture & Forestry11Marine Transportation11Oil & Coal Products9Air Transportation5Mining5

From the latest annual securities reports filed with EDINET. Fiscal years differ by company.