ABC (Anglo Belgian Corporation)	http://www.abcdiesel.be
Akasaka	http:///www.akasaka-diesel.jp/en/index.html
Alaska Diesel Electric - Lugger / Northern Lights	http://www.northern-lights.com
Caterpillar, Inc.	http://www.cat.com/cda/layout?m=37584&x=7
Cummins Marine	http://marine.cummins.com/mrn/public_cummins/home.jsp?menuId=0
Cummins MerCruiser	http://www.cmdmarine.com
Daweoo Doosan	http://www.doosaninfracore.co.kr/eng/main.aspx
DEUTZ	http://www.deutzusa.com
EMD	http://www.emdiesels.com/emdweb/emd_index.jsp
Fairbanks Morse	http://www.fairbanksmorse.com/marine_power.php
FTP / Iveco	http://www.fptpowertrain.com/eng/applicazioni_marine.htm
GE Marine Diesels	http://www.getransportation.com/marine/marine-products.html
Grenaa	http://www.grmo.dk
Guascor	http://www.guascor.com/guascor_eng/index.php
Isotta Fraschini	http://www.isottafraschini.it
John Deere	http://www.deere.com/en_US/rg/infocenter/marketapplications/marine/index.html
Kelvin	http://www.britishpolarengines.co.uk
Kolomna	http://www.kolomnadiesel.com/eng/productions/diesel_engine/
Lugger	http://www.lugger.com
MaK	http://www.mak-global.com/cmps2/webcam/webcam.php
MAN	http://www.man-mn.com/en/en.jsp
Matsui Diesel	http://www.matsui-j.co.jp (Japanese)
Mitsubishi	http://www.mitsubishitoday.com/index.html
MTU	http://www.mtu-online.com http://www.2-cycle.mtu-online.com
Perkins	http://perkins-sabre.com
Scania	http://www.scania.com
Seatek	http://www.seatek-spa.com/home_gb.htm
Volvo Penta	http://www.volvopentastore.com
Wartsila North America	http://www.wartsila.com
Westerbeke Corp.	http://www.westerbeke.com
Yanmar	http://www.yanmar.com