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COMSYS Group

Eight Core Operating Companies and a Shared Service Company

Company Name Representative Establishment Paid-in Capital
(Million Yen)		 Percentage
Owned (%)
Nippon COMSYS Corporation Hiroshi Tanabe Dec. 1951 10,000 100.0
SANWA COMSYS Engineering Corporation Hiroyuki Ouchi Sept. 1947 450 100.0
TOSYS Corporation Sumito Kasai Jan. 1960 450 100.0
TSUKEN Corporation Tatsunari Kikkawa Apr. 1951 1,432 100.0
NDS Co., Ltd. Keiji Ueyama May 1954 5,676 100.0
SYSKEN Corporation Kotaro Uemura Sept. 1954 450 100.0
Hokuriku Denwa Kouji Co., Ltd. Hirofumi Amano Nov. 1949 450 100.0
COMSYS JOHO SYSTEM Corporation Kunihiko Uchide Apr. 2009 450 100.0
COMSYS Shared Services Corporation Minoru Kubo Oct. 2003 75 100.0

Nippon COMSYS Group
Consolidated Subsidiaries

Company Name Establishment Percentage
Owned (%)
COMSYS Mobile Corporation Aug. 1957 100.0
COMSYS Engineering Co., Ltd. Oct. 1942 100.0
COMSYS Tohoku Techno Co., Ltd. Apr. 1992 100.0
COMSYS Prominent Co., Ltd. May 1961 100.0
Phos Techno Shikoku Co., Ltd. Dec. 1950 100.0
Ryukyu Tsushin Koji Co., Ltd. June 1969 100.0
COMSYS Net Corporation Apr. 1999 100.0
SANWA Denshi Inc. Apr. 1975 96.0
Ecosystem Japan Co.,Ltd. May 1997 100.0
COMSYS Create Corporation May 2012 100.0
TOKYO HOSOH KOGYO Co., Ltd. May 1947 100.0
Kando Co., Ltd. Apr. 1948 100.0
Tokyo Gas Lifeval Kando Co., Ltd. July 2008 66.6
FUJIKI Corporation Apr. 1927 66.7
COMSYS Tsusan Co., Ltd. Nov. 1954 100.0
Taiei Seisakusho Co., Ltd. Sept. 1956 85.6

SANCOM Group
Consolidated Subsidiaries

Company Name Establishment Percentage
Owned (%)
SUNCOM Technology Corporation May 1970 100.0

TOSYS Group
Consolidated Subsidiaries

Company Name Establishment Percentage
Owned (%)
Alstar Co., Ltd. Jan. 1972 100.0
TOSYS Niigata Co., Ltd. Apr. 1972 91.6
Kawanakajima Kensetsu Co., Ltd. Mar. 1944 100.0
Tulip Life Co., Ltd. June 1996 100.0

TSUKEN Group
Consolidated Subsidiaries

Company Name Establishment Percentage
Owned (%)
TSUKEN ADVANCED SYSTEMS CORPORATION Oct. 2001 100.0
TSUKEN Active Co, Ltd. Aug. 1998 100.0
TSUKEN Act Corporation May 1994 100.0
TSUKEN BUSINESS CO., LTD. Feb. 1990 100.0
Hokkaido Denden Yuso Corporation Oct. 1967 100.0
Toa Kenzai Kogyo Co., Ltd. Mar. 1978 100.0
CENTRAL BUILDING SERVICE Co., Ltd. Sept. 1973 100.0
VACSLAB Co., Ltd. June 1994 100.0
Hokuyu Construction Co., Ltd. Dec.1977 100.0
Maizuru Setsubi Kogyo Co., Ltd. Mar. 1974 100.0

NDS Group
Consolidated Subsidiaries

Company Name Establishment Percentage
Owned (%)
Aichi NDS Co., Ltd. Nov. 1984 100.0
Toyohashi NDS Co., Ltd. Mar. 1967 100.0
Dainichi Tsushin Co., Ltd.  June 1973 51.0
Shizuoka NDS Co., Ltd.  Mar. 1986 100.0
Gifu NDS Co., Ltd. Sept. 1987 100.0
Nippon Giken Co., Ltd.  Apr. 1969 100.0
NDS-NETWORK Co., Ltd.  July 1999 100.0
Asahi Setsubi Kogyo Co., Ltd. Apr. 1960 100.0
NDS INFORMATION SYSTEM CO., LTD. Oct. 2005 100.0
NDS Lease Co., Ltd. Apr. 1963 100.0
NDS Solution Co., Ltd. Feb. 1969 100.0
Tomei Tsushin Kogyo Co., Ltd. Feb. 1971 62.4
BMT Co., Ltd. Aug. 2002 90.58
NDS.TS Co., Ltd. Aug. 1986 100.0
NDS Mente Co., Ltd. Apr. 1997 100.0

SYSKEN Group
Consolidated Subsidiaries

Company Name Establishment Percentage
Owned (%)
SYSKEN Techno Corporation July 1972 100.0
Denzai Corporation June 1957 100.0
System Nishitsu Co., Ltd. Aug. 1984 100.0
Kawasaki Reinetsu Denki Co., Ltd. Dec. 1967 100.0

Hokuriku Denwa Kouji Group
Consolidated Subsidiaries

Company Name Establishment Percentage
Owned (%)
Hokuwa Engineering Co., Ltd. Dec.1973 100.0
Toyama Denwa Kouji Co., Ltd. May. 1990 100.0
Dentsu Jidosha Seibi Co., Ltd. July. 1971 100.0

COMJO Group
Consolidated Subsidiary

Company Name Establishment Percentage
Owned (%)
COMSYS Techno Co., Ltd. May. 1981 100.0
SUMIHEI COMPUTER SYSTEM CO., LTD. Sept. 1989 80.0
SEC Hi Tec Co., Ltd. July 1989 100.0
  • COMSYS Group Management Philosophy

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