| OISCA Headquarters | 17-5 Izumi 2-chome, Suginami-ku, Tokyo 168-0063 Japan |
| TEL: +81-3-3322-5161 FAX +81-3-3324-7111 | |
| URL:http://www.oisca.org/ | |
| E-mail:oisca@oisca.org | |
| OISCA Azerbaijan Chapter | President: Mr. Elchin Nasirli |
| Address: Babak Street 88/45, Khatai District, Baku-142, Azerbaijan | |
| OISCA Bahrain Chapter | President: Mr. Madan Mohan Ambat |
| OISCA Bangladesh Chapter | Chairman: Mr. Salim Ahmed |
| Address: c/o Jalal Ahmed Spinning Mills Ltd. Eunoos Center, Level-19, 52-53 Dilkusha C/A Dhaka-1000 Bangladesh | |
| OISCA Brazil Chapter |
President: Mr. Raul Takaki |
| Address: Rua da Gloria 332, CEP 01510 Liberdade, Sao Paulo, Brazil | |
| OISCA Brunei Chapter | President: Dr. Hj. Abd Latif Bin Hj. Chuchu |
| Deputy President: Mr. Ahanapi Bin Hj. Mahadi | |
| OISCA Cambodia Chapter | President: Charles Cheo Huat Leng |
| Address: #325 Mao Tse Toung Bldg. / Phnom Penh, Cambodia | |
| OISCA Ethiopia Chapter | President: Prof. M. Barakrishnan |
| Secretary General: Mr. Ararssa Hordofa | |
| OISCA Hong Kong Chapter | President: Mr. Chan Yuen Wah, Alexander |
| Chairman: Mr. Kong Tze Wing, James, MH | |
| Address: 4/F., Flat C, Hanyee Building, 19-21 Hankow Road, Kowloon, Hong Kong | |
| TEL: (852)2376 2822 | |
| FAX: (852)2376 0749 | |
| URL: http://oiscahk.org | |
| OISCA North India Chapter | Vice President: Dr. Meenu Kumar |
| Secretary General: Ms. Ritu Prasad | |
| Address: A – 1/3, Panchsheel Enclave New Delhi – 110017, India | |
| Email: oisca_nind@vsnl.net | |
| National Council of OISCA and Alar in India | President: Mr. Alok Sinha |
| OISCA South India Chapter | President: Mr. KK Chandran |
| Director & Secretary General : Mr. M. Aravind Babu | |
| Chairman Advisory Council: Dr. N. Krishnakumar IFS,(Retd) | |
| Address:OISCA Youth Center Buildings UKS Road, Calicut- 673001 Kerala, India | |
| Email: oiscaindia@gmail.com | |
| URL: http://www.oiscaindia.org | |
| OISCA Indonesia Chapter | President: Mr. Khaidir Abdurrahman |
| Supervisor: Mr. Mulyono Herlambang | |
| Address: Raya Kalapa Dua Wetan RT. 001/008, No. 88 Kelapa Dua Ciracas, Jakarta Timur 13730 Indonesia. | |
| OISCA Israel Chapter | Chairman: Mr. Ytzhak Abt |
| Secretary General: Mr. Zvi Heramn | |
| OISCA Korea Chapter | President: Mr. Shhim Jaehuen |
| OISCA Lahore Chapter | President: Ms. Fatima Javaid |
| Address: 35-H, Gulberg 3 Lahore, Pakistan | |
| OISCA Lanka Chapter | Secretary General: Mr. A.M.C.K.B. Alahakoon |
| Advisor: Mr. Manuala Chamal Perera | |
| Address: 126/22, Daham Lane, Udahamula, Nugegoda, Sri Lanka | |
| OISCA International Malaysia Chapter | Vice President: Mr. Azhar bin Abdul Manaf |
| Ex Vice President: YBhg. Datuk Ibrahim bin Ahmad | |
| Address: Tingkat 3, Bangunan MARA Lama, Jalan Tunku Abdul Lahman, 50609 Kuala Lumpur, Malaysia | |
| OISCA International Sabah Chapter | |
| Address: Pusat Latihan Belia KPD-OISCA Peti Surat 706 89907 Tenom, Sabah, Malaysia | |
| OISCA Mexico National Chapter | OISCA Mexico National Chapter |
| President: Jose Martin Atela Echevarria | |
| Address: 29 Poniente 1213 Colonia Santo Domingo, C.P. | |
| 75770 Tehuakan, Pue, Mexico | |
| URL: http://hidroponiasimplificada.org/OiscaMexico.html | |
| OISCA Mongolia Chapter | Secretary General: Ms. Ninjin Giliyased |
| Address: Cho Burt-305 Seoul Street-6 Ulaanbaatar-13/655, Zip 211213 Mongolia | |
| OISCA Myanmar Office | Country Director: Mr. Fumio Kitsuki |
| Address: Room-5, Building-E, Shwe Sabai Yeikmon, Bayint Naung Rd. Kamaryut Township, Yangon, Myanmar. | |
| OISCA Nepal Chapter | President: Mr. Neel K. Tamrakar |
| Address: Durbar Square, Bhaktapur 11, Nepal | |
| OISCA Palau Chapter | President: Mr. Kalistus Ngirturong |
| Address: P.O. Box 5, Koror, Palau 96940 | |
| OISCA Palestine Chapter | General Secretary: Mr. Imad Atrash |
| Address: c/o Palestine Wildlife Society, Beit Sahour, P.O. Box 89, Palestine | |
| OISCA Paraguay Chapter | |
| Address: c/o Periodico Japones Nikkei Journal, C. Chaco. Esq. F. Moreno, Asuncion, Paraguay | |
| OISCA Philippines Chapter | President: Arthur Christopher D. Marañon |
| Vice President: Mr. Gregory Andrew Julian G. Mapa | |
| Address: No. 8 Fernsville Street, White Plains Subdivision, Quezon City, Philippines | |
| URL: http://www.oisca.org.ph | |
| OISCA Rabaul Branch, Papua New Guinea | Chairman: Hon. Sinai Brown OBE |
| Vice Chairman: Mr. John Rabbie | |
| Address: c/o OISCA Eco-Tech Training Center, P.O. Box 100, Kokopo, East New Britain, Papua New Guinea. | |
| OISCA South Korea Chapter | Chairman: Mr. Kim Tae Jong |
| Address: 93-43 Buckchang-dong, Jung-gu, Seul, Korea 100-080 | |
| OISCA Taiwan Chapter | President: Mr. Wu Chien Wei |
| Honorary President: Mr. Chung Ching Ta | |
| Address: 9F, No. 28, Changji St. Taipei 10361 Taiwan | |
| OISCA Thailand Chapter | Chairman: Mr. Ari Choangulia |
| Secretary General: Mr. Prayat Savangsookh | |
| Address: 81 Ta Dindaeng Soi 13, Klongsarn, Bangkok 10600, Thailand | |
| URL: http://oiscathailand.wordpress.com/ | |
| OISCA USA Chapter | President: Mr. Alex Bernales |
| Former President: Mr. Prospero Tayco | |
| Address: 113 Woodmere St., Raritan, New Jersey 08869 USA | |
| OISCA-UAE Chapter | President: Mr. K. Chandra Sen |
| Secretary General: Mr. Gokul Gopakumar | |
| Address: Mezzanine Floor, Dana Tower, Rolla, Sharjah, UAE | |
| P.O.Box 96776, Sharjah | |
|
OISCA-Uruguay Chapter |
President: Ing. Jorge Soler |