| ID | Company Institution | Website | Principal Contact | Main Contact Adress | Other Contact Address | Last Updated |
|---|---|---|---|---|---|---|
| 24 | Beijing HaiHuiHangJi Navigation Technology Co. Ltd | www.hh-enc.com | Qin Ying | qinying@hh-enc.com | 2020-04-06 | |
| 29 | Beijing Situo Ocean Information Technology Co, Ltd | http://www.enclive.cn/ | Wei Shen | shenwei@enclive.cn | 2020-05-27 | |
| 37 | Bremer Schiffsmeldedienst Kapt. P. Langbein e.K | www.bsmd.de | Peter Langbein | langbein@bsmd.de | 2015-01-01 | |
| 41 | Carmenta AB | www.carmenta.com | Tobias Moberg | tobias.moberg@carmenta.com | Anders.Gustafsson@carmenta.com | 2021-04-16 |
| 52 | ChartWorld International Ltd | www.chartworld.com | Andrey Vorobiev | andrey.vorobiev@chartworld.com | 2016-09-14 | |
| 82 | Datema Delfzijl | www.datema.nl | Eric Verschoor | everschoor@datema.nl | digital@datema.nl | 2011-09-11 |
| 106 | ENC Data Ltd | Paul Buck | pb@madzebra.com | 2020-04-06 | ||
| 129 | GEOMARIS GmbH | www.geomaris.com | Thomas Schulze | schulze@geomaris.com | 2019-04-26 | |
| 166 | IIC Technologies Limited | www.iictechnologies.com | John Conyon | johnc@iictechnologies.com | duncanw@iictechnologies.com bbond@iictechnologies.com chinthalr@iictechno... more | 2015-01-01 |
| 176 | In-innovative navigation GmbH | www.innovative-navigation.de | Ann Kathrin Schuenemann | ann-kathrin.schuenemann@innovative-navigation.de | 2016-10-06 | |
| 188 | Japan Hydrographic Association | www.jha.or.jp | Seiki Ito | enc-support@jha.jp | 2023-01-30 | |
| 191 | C-MAP / Navico | http://www.c-map.com/ | David D'Aquino | david.daquino@navico.com | ivano.colombo@navico.com | 2021-06-30 |
| 200 | Kelvin Hughes (old certificate) | www.kelvinhughes.com | Andy Fromings | andy.fromings@kelvinhughes.co.uk | Julian.Reichert@kelvinhughes.co.uk | 2011-08-01 |
| 220 | Maju GeoHydro Sdn Bhd | www.mgh.com.my | Heng Weng De | wdheng@mgh.com.my | 2020-04-06 | |
| 222 | Marinha do Brasil | www.marinha.mil.br/ | Thiago Gomes de Oliveira | gomes.oliveira@marinha.mil.br | 2021-03-04 | |
| 231 | MARIS | www.maris.no | Mathew Hooper | mathew.hooper@navico.com | chartservice@maris.no | 2022-02-24 |
| 274 | Navtor AS | www.navtor.com | Tor. A. Svanes | tor.svanes@navtor.com | bjorn.saestad@navtor.com aslak.dirdal@navtor.com | 2015-01-01 |
| 318 | Quadrant-ENC | www.quadrant-enc.com/ | Gustavo Puente | gustavo@quadrant-enc.com | info@quadrant- | 2015-07-30 |
| 344 | Samyung Enc Co. Ltd | www.samyungenc.com | In-Joon Choi | ijchoi@samyungenc.com | 2020-04-06 | |
| 345 | Satlink | www.satlink.es | Jens Heinsdorf | jhe@satlink.es | crr@satlink.es | 2015-07-30 |