Chemtec Chemicals: http://www.ctc-chemtec.de
INOX: http://www.inox-ferro.nl/
Envirotech Specialties, Inc. Houston http://www.enviro-techspecialties.com/
Marinvent http://marinvent.eu
USCG http://www.chrismanual.com/
ABX Energy Services http://www.abx-gmbh.de/index.php
visual4 GmbH http://www.visual4.de
Kooperationsstelle Hamburg: http://www.kooperationsstelle-hh.de
TankTerminal.net; the world’s largest tank terminal database: http://www.tankterminal.net