| 1 | 5541 Pacific Metals Co., Ltd. | 93.5% FY2025 | FY2025 |
| 2 | 5461 Chubu Steel Plate Co.,Ltd. | 88.6% FY2025 | FY2025 |
| 3 | 5444 YAMATO KOGYO CO.,LTD. | 85.5% FY2025 | FY2025 |
| 4 | 5463 Maruichi Steel Tube Ltd. | 82.5% FY2025 | FY2025 |
| 5 | 5695 Powdertech Co., Ltd. | 81.6% FY2025 | FY2025 |
| 6 | 5484 Tohoku Steel Co.,Ltd. | 81.0% FY2025 | FY2025 |
| 7 | 5464 MORY INDUSTRIES INC. | 80.5% FY2025 | FY2025 |
| 8 | 5445 TOKYO TEKKO CO., LTD. | 78.8% FY2025 | FY2025 |
| 9 | 5563 Nippon Denko Co., Ltd. | 76.0% FY2025 | FY2025 |
| 10 | 5451 YODOKO,Ltd. | 76.0% FY2025 | FY2025 |
| 11 | 5423 TOKYO STEEL MANUFACTURING CO.,LTD. | 75.8% FY2025 | FY2025 |
| 12 | 5659 Nippon Seisen Co.,Ltd. | 75.4% FY2025 | FY2025 |
| 13 | 5542 Shinhokoku Material Corp. | 75.2% FY2025 | FY2025 |
| 14 | 5658 NICHIA STEEL WORKS, LTD. | 73.1% FY2025 | FY2025 |
| 15 | 5449 OSAKA STEEL CO., LTD. | 72.4% FY2025 | FY2025 |
| 16 | 5408 Nakayama Steel Works, Ltd. | 71.6% FY2025 | FY2025 |
| 17 | 5446 HOKUETSU METAL Co., Ltd. | 69.3% FY2025 | FY2025 |
| 18 | 5607 CHUO MALLEABLE IRON CO., LTD. | 67.7% FY2025 | FY2025 |
| 19 | 5602 Kurimoto,Ltd. | 60.7% FY2025 | FY2025 |
| 20 | 5482 AICHI STEEL CORPORATION | 59.2% FY2025 | FY2025 |
| 21 | 7305 ARAYA INDUSTRIAL CO., LTD. | 57.8% FY2025 | FY2025 |
| 22 | 5660 KOBELCO WIRE COMPANY, LTD. | 56.9% FY2025 | FY2025 |
| 23 | 5440 KYOEI STEEL LTD. | 56.7% FY2025 | FY2025 |
| 24 | 5644 METALART CORPORATION | 56.3% FY2025 | FY2025 |
| 25 | 5410 Godo Steel,Ltd. | 56.3% FY2025 | FY2025 |
| 26 | 5471 Daido Steel Co., Ltd. | 55.2% FY2025 | FY2025 |
| 27 | 5609 NIPPON CHUZO K. K. | 54.2% FY2025 | FY2025 |
| 28 | 5698 ENVIPRO HOLDINGS Inc. | 54.1% FY2025 | FY2025 |
| 29 | 5458 TAKASAGO TEKKO K.K., | 52.5% FY2025 | FY2025 |
| 30 | 5697 SANYU CO.,LTD. | 48.4% FY2025 | FY2025 |
| 31 | 5480 Nippon Yakin Kogyo Co.,Ltd. | 46.1% FY2025 | FY2025 |
| 32 | 5491 NIPPON KINZOKU CO., LTD. | 44.4% FY2025 | FY2025 |
| 33 | 5411 JFE Holdings, Inc. | 44.4% FY2025 | FY2025 |
| 34 | 5406 Kobe Steel, Ltd. | 44.0% FY2025 | FY2025 |
| 35 | 5603 KOGI CORPORATION | 43.2% FY2025 | FY2025 |
| 36 | 5476 Nippon Koshuha Steel Co., Ltd. | 42.5% FY2024 | FY2024 |
| 37 | 5612 NIPPON CHUTETSUKAN K.K. | 38.6% FY2025 | FY2025 |
| 38 | 5401 NIPPON STEEL CORPORATION | 37.7% FY2025 | FY2025 |
| 39 | 5632 Mitsubishi Steel Mfg.Co.,Ltd. | 34.4% FY2025 | FY2025 |