■Corporate Name KOKUBA-GUMI Co.,Ltd.
■Established July 2,1931
■Incorporated January 27,1968
■Capital ¥1,597,671,267
■Number of Employees 185(M:165 F:20)
(as of June 30, 2015)
Chief Executive Officer
Yukikazu Kokuba
Vice Chairperson   Yukinobu Kokuba
Chief Operating Officer
Tetsuya Tamaki
Senior Managing Director
Chief Financial Officer
Nobunori Maehara
Senior Managing Director Ko Uchima
Senior Managing Executive Officer
Shigenobu Yonamine
Managing Executive Officer Michimasa Tokeshi
Executive Officer Ichiro Shinzato
Statutory Auditor Yukitake Kokuba
Auditor Mitsunori Kakinohana
Auditor Mitsuru Fukuhara
■Organizational chart Download(PDF)


■Description of Business
1.General Construction Work
2.Design and Construction Supervision
Head Quarter
3-21-1 Kumoji, Naha, Okinawa(Kokuba Bldg. 7F)
<Zip Code> 900-8505
General Affairs Department(General Affairs Div/Personnel Div/System Div)
TEL.+81-98-851-5195 FAX.+81-98-863-7989
Corporate Planning Division
TEL.+81-98-943-5178 FAX.+81-98-851-5203
Financial Department
TEL.+81-98-851-5193 FAX.+81-98-861-3151
Business Development Department
TEL.+81-98-862-7006 FAX.+81-98-861-6186
Construction Business Department(Construction Business Div)
TEL.+81-98-862-3447 FAX.+81-98-861-1042
Construction Business Department(Plant Business Div)
TEL.+81-98-851-5202 FAX.+81-98-861-1042
Construction Business Department(Civil Estimate Div)
TEL.+81-98-851-5196 FAX.+81-98-861-1042
Construction Administration Department(Construction Administration Div)
TEL.+81-98-851-5194 FAX.+81-98-862-5108
Construction Administration Department(Safety and Quality Control Div)
TEL.+81-98-851-5200 FAX.+81-98-861-1724
Construction Department.
TEL.+81-98-851-5197 FAX.+81-98-861-0428
Civil Department.
TEL.+81-98-851-5199 FAX.+81-98-861-1042
Mechanical&Electrical Department
TEL.+81-98-851-5201 FAX.+81-98-868-1482
Construction Planning Department(Estimate Div/Designing Div)
TEL.+81-98-851-5198 FAX.+81-98-861-0428
Tokyo Branch Office
1-1-7 Uchisaiwai-cho, Chiyoda-ku, Tokyo (NBF Hibiya Bldg. 11F)
<Zip Code> 100-0011
TEL.+81-3-6908-1371 FAX.+81-3-6203-2271
Central Area Branch Office
1241 Onaha,Nishihara-cho,Nakagamigun,Okinawa
<Zip Code> 903-0103
TEL.+81-98-882-0560 FAX.+81-98-944-7066
Guam Branch Office
Suite 1008 DNA Bldg, 238 Archbishop,
F.C. Flores Street, Hagatna, Guam
<Zip Code> 96910-5205
TEL.+1-671-477-7857 FAX.+1-671-472-4290


■Construction Business License
Ministry of Land and Transportation Licence No. (Special-24)#2285
■1st Class Registered Architect Office
Okinawa Prefecture Government Registry #14X-103
■Real Estate Business License
Okinawa Prefecture Government Registry # (12)0244
■Quality Management System
International Standard ISO 9001:2015
International Standard ISO 14001:2015
■Dealing Banks
The Okinawa Development Finance Corporation
The Okinawa Kaiho Bank, Ltd. Bank of The Ryukyus, Ltd.
Shoko Chukin Bank The Bank of Okinawa, Ltd.
Sumitomo Mitsui Banking Corporation