2.Members' Directory

Regular Members Associate Members

Please click the company name to see its home-page.

(1) Regular Members (as of April 2026)

(on the roll as of entrance time)
Titanium Sponge Producers Mill Products Producers Trading Companies
1 OSAKA Titanium technologies Co., Ltd. 1 Kobe Steel, Ltd. 1 Mitsui Bussan Metals Co., Ltd
2 Toho Titanium Co., Ltd. 2 Nippon Steel Corporation 2 Sumisho Metalex Corporation
3 Daido Steel Co., Ltd. 3 Alconix Corporation
  4 JX Nippon Mining & Metals Corporation 4 Shinsho Corporation
  5 JFE Steel Corporation 5 Nippon Steel Trading Corporation
  6 Aichi Steel Corporation 6 Hanwa Co., Ltd
      7 ITOCHU Metals Corporation
      8 Marubeni-Itochu Steel Inc.

Members' Directory
Profile of the Japan Titanium Society

(2) Associate Members (as of April 2026)

147 Companies(including 7 overseas member)and 26 Persons(on the roll as of entrance time)
1 Alloy Corporation 59 Osaka Yakin Kogyo Co., Ltd. 117 Arkhe Co., Ltd.
2 Daiso Co., Ltd. 60 Matsui Kozai Co., Ltd. 118 SEIKO FUTURE CREATION INC.
3 Shinwa Bussan Kaisha Ltd. 61 Tokyo Stainless Grinding Co., Ltd. 119 Kobayashi-Seisakusyo Co.,Ltd
4 EiwaMetal Co., Ltd. 62 Sanwa Industry Co., Ltd. 120 Maks Fuji
5 SPF Co., Ltd. 63 TOSTE Co., Ltd. 121 Rio Tinto Japan Ltd.
6 Nishimura Shokai Co., Ltd. 64 Hanwa Kozai Co., Ltd. 122 AeroEdge Co.,Ltd.
7 Nippon Steel Stainless Steel Pipe Co.,Ltd. 65 Fujita Metal Trading Co., Ltd. 123 TSUCHIDA Manufacturing Co., Ltd.
8 Kita Industry Co., Ltd. 66 Baoji Titanium Industry Co., Ltd. 124 Hokkai Iron Works Co., Ltd.
9 Hirai Co., Ltd. 67 Sakamura Machine Co., Ltd. 125 KIDO CO.,LTD.
10 Sadoshima Corp.

68

 Koshin Co., Ltd. 126 Hashimoto Engineering Co., Ltd.
11 TohoTec Co., Ltd. 69 ShinKinzoku Industry Co., Ltd. 127 Daikure Co.,Ltd.
12 Shin-Ei Kiko Co., Ltd. 70 Tokusen Kogyo Co., Ltd.

128

 SEIKO SEIMITSU CO.,LTD
13 UEX, Ltd. 71 Nikko Techno, Ltd. 129 MIZUTANI SCISSORS MFG CO.,LTD
14 Morimura Bros., Inc. 72 Nara-Seiko Co., Ltd. 130 PROPOX.Co.,Ltd
15 TIG Co., Ltd. 73 SUS Co., Ltd. 131 Leger Co.,Ltd
16 Tokyo Titanium Co., Ltd. 74 Nippon Tokushukan Mfg. Co., Ltd. 132 Nissha Co.,Ltd
17 Yamaichi Co., Ltd. 75 GEOTECHGOLF Components 133 Maruemu Works Co., Ltd.
18 Sanko Kozai K. K. 76 Nakamura Iron Works Co., Ltd. 134 SAN EKI LTD.
19 Ishihara Sangyo Kaisya, Ltd. 77 Alfa Laval Corporate AB 135 ACNIS INTERNATIONAL
20 Ogawako Metal Co., Ltd. 78 Yamaha Motor Co., Ltd. 136 JALUX Inc.
21 KOBELCO E&M Co.,Ltd. 79 OkitsuRasen Co., Ltd. 137 OKAYA&CO.,LTD
22 Chihara Industry  Co., Ltd. 80 Ofa Co., Ltd. 138 CANTEC Co., Ltd.
23 Yoshida Kinen Co., Ltd. 81 Shinko Wire Company, Ltd. 139 Chuobane Co.,Ltd.
24 SDC Tanaka Inc. 82 Metal Do Co., Ltd. 140 IZURASHI CO.,Ltd.
25 Horie Corporation 83 Honda Motor Co., Ltd. 141 SUGIMOTO SEIKI.Co.,Ltd
26 Nippon Steel Kozai Co.,Ltd. 84 Sumiju Precision Forging Co., Ltd. 142 HOEI INDUSTRIES,LTD.
27 Daiwa Special Steel Co., Ltd. 85 Nozaki-Factory Co., Ltd.

143

 OHBA SEIKEN Co.,Ltd.
28 VSMPO, Salda, Russia 86 T and I Co., Ltd. 144 Argus Media Japan K.K.
29 Town Mining Co., Ltd. 87 NISSEN FASTENING Co.,Ltd. 145 KANEMATSU CORPORATION
30 Fuji Acetylene Ind. Co., Ltd. 88 MARIUS 146 Naikai Archit Co.,Ltd.
31 Nagai Metal Y. G. 89 Itoko Co., Ltd. 147 IMAHASHI SEISAKUSYO
32 Allegheny Technologies Japan Ltd. 90 Wakayoshi Co., Ltd.    
33 Mizuno Corporation 91 Taisho Techno Inc.    
34 Wada Precision Dental Laboratories Co., Ltd. 92 Posco Japan Co., Ltd.    
35 Akahoshi Kogyo Co., Ltd. 93 Natori-Mnf Inc.    
36 MIE Techno Co., Ltd. 94 JMS Engineering Co., Ltd.    
37 Kobelco Research Institute Inc. 95 Tokushu Giken Kogyo Corporation    
38 Sano Seisakusho Co., Ltd. 96 Futaku Precision Machinery Industry Co., Ltd.    
39 Asuka Engineering Co., Ltd. 97 Shinba Iron Works    
40 Yoshu Tanpan Sangyo Co., Ltd. 98 Teikoku Seibyo Co., Ltd.    
41 Spemet Co., Ltd., Taiwan 99 Aichi Sangyo Co., Ltd.    
42 Citizen Holdings Co., Ltd. 100 Frasco    
43 Oda Koki Co., Ltd. 101 Daido Bunseki Research, INC.    
44 Higasa Industry Co., Ltd. 102 Perryman Company, USA    
45 Kanehira Steel Co., Ltd. 103 Sojitz Aerospace Corporation    
46 Morisugi Industries Co., Ltd. 104 Osaka Asahi Co., Ltd.    
47 Morimatsu Industries Co., Ltd. 105 Goldman Titanium Inc    
48 Tomiyasu Co., Ltd. 106 MYOCHIN HONPO    
49 JFE Techno-Research Corp. 107 NTT DATA ENGINEERING SYSTEMZ Corporation    
50 Showa Metal Co., Ltd. 108 Toyama Seiichi Shoten Co., Ltd.    
51 Nittetsu Technology Co.,Ltd. 109 Kishiro Co., Ltd.    
52 Coil Center Fujita Co., Ltd. 110 ELG Japan, Inc.    
53 Specialty Metals Co., Ltd., Belgium 111 Daitec.Co.,Ltd.    
54 Daido Kogyo Co., Ltd. 112 NITTAN Corporation

 

  
55 Nose Kozai Inc. 113 YoshikawaKogyo Co., Ltd    
56 Yamada Metal Co., Ltd. 114 Neturen Co., Ltd.    
57 AZMAX Corporation 115 Hikari Metal Center Co., Ltd.

 

  
58 Sunco Co., Ltd. 116 Advanced Material Japan Corporation

 

  

Members' Directory
Profile of the Japan Titanium Society Last Update:2026-4-1
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