Electric Power & Gas: Most profitable Japanese companies

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

Corporate taxes paidRevenueNet incomeTotal assets World ranking →

26 listed companies (total ¥994B)

#Company Net incomeRevenueTaxes paidTotal assets
1 The Kansai Electric Power Company, Incorporated
9503 · Electric Power & Gas · Mar 2026
¥380B¥4.06T¥142B¥9.85T
2 Chubu Electric Power Company,Incorporated
9502 · Electric Power & Gas · Mar 2026
¥228B¥3.55T¥69.5B¥7.65T
3 Tokyo GAS Co., Ltd.
9531 · Electric Power & Gas · Mar 2026
¥227B¥2.83T¥9.5B¥3.89T
4 Osaka GAS Co., Ltd.
9532 · Electric Power & Gas · Mar 2026
¥153B¥2.03T¥35.6B¥3.32T
5 Tohoku Electric Power Company,Incorporated
9506 · Electric Power & Gas · Mar 2026
¥85.0B¥2.37T¥32.3B¥5.73T
6 The Chugoku Electric Power Company, Incorporated
9504 · Electric Power & Gas · Mar 2026
¥68.5B¥1.44T¥4.6B¥4.62T
7 Electric Power Development Co., Ltd.
9513 · Electric Power & Gas · Mar 2026
¥58.5B¥1.18T¥51.5B¥3.74T
8 Hokuriku Electric Power Company
9505 · Electric Power & Gas · Mar 2026
¥54.5B¥787B¥15.5B¥1.84T
9 Shikoku Electric Power Company, Incorporated
9507 · Electric Power & Gas · Mar 2026
¥50.8B¥762B¥25.4B¥1.73T
10 Hokkaido Electric Power Company, Incorporated
9509 · Electric Power & Gas · Mar 2026
¥44.0B¥856B¥26.3B¥2.47T
11 TOHO GAS Co., Ltd.
9533 · Electric Power & Gas · Mar 2026
¥31.4B¥651B¥10.5B¥809B
12 Hokkaido GAS Co., Ltd.
9534 · Electric Power & Gas · Mar 2026
¥11.5B¥175B¥4.4B¥198B
13 Shizuoka GAS Co., Ltd.
9543 · Electric Power & Gas · Dec 2025
¥10.0B¥201B¥2.7B¥196B
14 METAWATER Co.,Ltd.
9551 · Electric Power & Gas · Mar 2026
¥9.1B¥210B¥3.8B¥220B
15 西部ガスホールディングス株式会社
9536 · Electric Power & Gas · Mar 2026
¥7.1B¥262B¥3.2B¥466B
16 The Okinawa Electric Power Company, Incorporated
9511 · Electric Power & Gas · Mar 2026
¥6.2B¥220B¥1.9B¥522B
17 eREX Co.,Ltd.
9517 · Electric Power & Gas · Mar 2026
¥5.3B¥169B¥2.8B¥170B
18 株式会社レノバ
9519 · Electric Power & Gas · Mar 2026
¥3.3B¥87.6B¥2.1B¥611B
19 Keiyo GAS Co., Ltd.
9539 · Electric Power & Gas · Dec 2025
¥3.2B¥118B¥268M¥178B
20 北陸瓦斯株式会社
9537 · Electric Power & Gas · Mar 2026
¥3.2B¥64.4B¥453M¥71.5B
21 広島ガス株式会社
9535 · Electric Power & Gas · Mar 2026
¥2.1B¥88.4B¥442M¥132B
22 ASTMAX Co., Ltd.
7162 · Electric Power & Gas · Mar 2026
¥2.0B¥25.3B¥23.9M¥21.4B
23 株式会社アイ・グリッド・ソリューションズ
603A · Electric Power & Gas · Jun 2026
¥1.9B¥25.7B¥916M¥44.3B
24 デジタルグリッド株式会社
350A · Electric Power & Gas · Jul 2025
¥1.9B¥6.2B¥150M¥17.8B
25 Ef-On Inc.
9514 · Electric Power & Gas · Jun 2026
¥1.2B¥20.7B¥228M¥44.6B
26 Tokyo Electric Power Company Holdings, Incorporated
9501 · Electric Power & Gas · Mar 2026
−¥454B¥6.33T¥39.0B¥15.58T

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.