Japan

Top 415 largest Japanese Companies in the Technology sector by Market Cap

This is the list of the largest public listed companies in the Technology sector from Japan by market capitalization with links to their reference stock and industry.

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Top Technology Companies from Japan as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
301 NTT Data Intramart Corp $125.6 M Japan Japanese Technology Japanese Software—Infrastructure
302 Iwatsu Electric Co. Ltd $125.3 M

(July 1, 2024)

 Japan Japanese Technology Japanese Communication Equipment
303 Toho System Science Co. Ltd $125.0 M Japan Japanese Technology Japanese Software—Application
304 E-Guardian, Inc. $124.7 M Japan Japanese Technology Japanese Information Technology Services
305 ISB Corp $124.1 M Japan Japanese Technology Japanese Software—Application
306 Bit One Group Co. Ltd $123.6 M Japan Japanese Technology Japanese Information Technology Services
307 Helios Techno Holding Co. Ltd $123.0 M Japan Japanese Technology Japanese Consumer Electronics
308 Cyber Security Cloud , Inc. $121.1 M Japan Japanese Technology Japanese Software—Infrastructure
309 Information Planning CO. Ltd $120.5 M Japan Japanese Technology Japanese Software—Application
310 UNITED, Inc. $119.7 M Japan Japanese Technology Japanese Software—Application
311 Sun* Inc. $119.5 M Japan Japanese Technology Japanese Information Technology Services
312 JIG-SAW, Inc. $119.5 M Japan Japanese Technology Japanese Software—Infrastructure
313 Asteria Corp $118.6 M Japan Japanese Technology Japanese Software—Application
314 Densan Co. Ltd $118.5 M Japan Japanese Technology Japanese Semiconductors
315 TESEC Corporation $118.3 M

(Aug. 1, 2021)

 Japan Japanese Technology Japanese Semiconductor Equipment & Materials
316 Kyowa Electronic Instruments Co. Ltd $117.5 M Japan Japanese Technology Japanese Scientific & Technical Instruments
317 Daishinku Corp $114.7 M Japan Japanese Technology Japanese Electronic Components
318 Link-U, Inc. $113.1 M Japan Japanese Technology Japanese Software—Application
319 Autonomous Control Systems Laboratory Ltd $112.0 M Japan Japanese Technology Japanese Computer Hardware
320 Asahi Intelligence Service Co. Ltd $109.7 M Japan Japanese Technology Japanese Information Technology Services
321 RPA Holdings, Inc. $109.3 M Japan Japanese Technology Japanese Information Technology Services
322 Cyber Com Co. Ltd $108.5 M

(Jan. 1, 2024)

 Japan Japanese Technology Japanese Software—Application
323 Aval Data Corp $106.3 M Japan Japanese Technology Japanese Computer Hardware
324 Japan Process Development Co. Ltd $106.0 M Japan Japanese Technology Japanese Software—Application
325 Enigmo, Inc. $105.8 M Japan Japanese Technology Japanese Software—Infrastructure
326 Cube System, Inc. $105.7 M Japan Japanese Technology Japanese Information Technology Services
327 Ryomo Systems Co.,Ltd. $105.5 M Japan Japanese Technology Japanese Software—Application
328 SMK Corp $105.4 M Japan Japanese Technology Japanese Electronic Components
329 Dkk-Toa Corp $105.2 M Japan Japanese Technology Japanese Scientific & Technical Instruments
330 R&D Computer Co.,Ltd. $104.0 M Japan Japanese Technology Japanese Information Technology Services

Top Technology Companies from Japan as of Jan. 01, 2026

301. NTT Data Intramart Corp

Company Profile: NTT Data Intramart Corp
Market Cap (USD): $125.6 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Infrastructure

302. Iwatsu Electric Co. Ltd

Company Profile: Iwatsu Electric Co. Ltd
Market Cap (USD): $125.3 M (July 1, 2024)
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

303. Toho System Science Co. Ltd

Company Profile: Toho System Science Co. Ltd
Market Cap (USD): $125.0 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Application

304. E-Guardian, Inc.

Company Profile: E-Guardian, Inc.
Market Cap (USD): $124.7 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Information Technology Services

305. ISB Corp

Company Profile: ISB Corp
Market Cap (USD): $124.1 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Application

306. Bit One Group Co. Ltd

Company Profile: Bit One Group Co. Ltd
Market Cap (USD): $123.6 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Information Technology Services

307. Helios Techno Holding Co. Ltd

Company Profile: Helios Techno Holding Co. Ltd
Market Cap (USD): $123.0 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Consumer Electronics

308. Cyber Security Cloud , Inc.

Company Profile: Cyber Security Cloud , Inc.
Market Cap (USD): $121.1 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Infrastructure

309. Information Planning CO. Ltd

Company Profile: Information Planning CO. Ltd
Market Cap (USD): $120.5 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Application

310. UNITED, Inc.

Company Profile: UNITED, Inc.
Market Cap (USD): $119.7 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Application

311. Sun* Inc.

Company Profile: Sun* Inc.
Market Cap (USD): $119.5 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Information Technology Services

312. JIG-SAW, Inc.

Company Profile: JIG-SAW, Inc.
Market Cap (USD): $119.5 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Infrastructure

313. Asteria Corp

Company Profile: Asteria Corp
Market Cap (USD): $118.6 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Application

314. Densan Co. Ltd

Company Profile: Densan Co. Ltd
Market Cap (USD): $118.5 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Semiconductors

315. TESEC Corporation

Company Profile: TESEC Corporation
Market Cap (USD): $118.3 M (Aug. 1, 2021)
Country: Japan
Sector: Japanese Technology
Industry: Japanese Semiconductor Equipment & Materials

316. Kyowa Electronic Instruments Co. Ltd

Company Profile: Kyowa Electronic Instruments Co. Ltd
Market Cap (USD): $117.5 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Scientific & Technical Instruments

317. Daishinku Corp

Company Profile: Daishinku Corp
Market Cap (USD): $114.7 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Electronic Components

318. Link-U, Inc.

Company Profile: Link-U, Inc.
Market Cap (USD): $113.1 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Application

319. Autonomous Control Systems Laboratory Ltd

Company Profile: Autonomous Control Systems Laboratory Ltd
Market Cap (USD): $112.0 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Computer Hardware

320. Asahi Intelligence Service Co. Ltd

Company Profile: Asahi Intelligence Service Co. Ltd
Market Cap (USD): $109.7 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Information Technology Services

321. RPA Holdings, Inc.

Company Profile: RPA Holdings, Inc.
Market Cap (USD): $109.3 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Information Technology Services

322. Cyber Com Co. Ltd

Company Profile: Cyber Com Co. Ltd
Market Cap (USD): $108.5 M (Jan. 1, 2024)
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Application

323. Aval Data Corp

Company Profile: Aval Data Corp
Market Cap (USD): $106.3 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Computer Hardware

324. Japan Process Development Co. Ltd

Company Profile: Japan Process Development Co. Ltd
Market Cap (USD): $106.0 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Application

325. Enigmo, Inc.

Company Profile: Enigmo, Inc.
Market Cap (USD): $105.8 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Infrastructure

326. Cube System, Inc.

Company Profile: Cube System, Inc.
Market Cap (USD): $105.7 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Information Technology Services

327. Ryomo Systems Co.,Ltd.

Company Profile: Ryomo Systems Co.,Ltd.
Market Cap (USD): $105.5 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Software—Application

328. SMK Corp

Company Profile: SMK Corp
Market Cap (USD): $105.4 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Electronic Components

329. Dkk-Toa Corp

Company Profile: Dkk-Toa Corp
Market Cap (USD): $105.2 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Scientific & Technical Instruments

330. R&D Computer Co.,Ltd.

Company Profile: R&D Computer Co.,Ltd.
Market Cap (USD): $104.0 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Information Technology Services

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