ABC (Anglo Belgian Corporation)	http://www.abcdiesel.be
Akasaka	http://www.akasaka-diesel.jp/en/product-info/product-for-large-ships/
Alaska Diesel Electric - Lugger / Northern Lights	http://www.northern-lights.com
Caterpillar, Inc.	http://www.cat.com/cda/layout?m=37584&x=7
CAT Electro-Motive Diesel Engines	https://www.cat.com/en_US/by-industry/marine/electromotive-diesel-engines.html
Cummins Marine	http://marine.cummins.com/mrn/public_cummins/home.jsp?menuId=0
Daweoo Doosan	http://www.doosaninfracore.co.kr/eng/main.aspx
DEUTZ	http://www.deutzamericas.com
EMD	http://www.emdiesels.com/emdweb/emd_index.jsp
Fairbanks Morse	http://www.fairbanksmorse.com/marine_power.php
FTP / Iveco	http://www.iveco.com/Corporate-en/Company/Pages/Diesel-engine.aspx
GE Marine Diesels	http://www.getransportation.com/marine#products-services
Grenaa	http://www.grmo.dk
Isotta Fraschini	http://www.isottafraschini.it
John Deere	https://www.deere.com/en_US/products/engines_and_drivetrain/marine/marine_diesel_engines.page?
Kelvin	http://www.britishpolarengines.co.uk
Kolomna	http://www.kolomnadiesel.com/eng/productions/diesel_engine/
MaK	http://www.caterpillar.com/en/company/brands/mak.html
MAN	https://www.engines.man.eu/global/en/index.html
Matsui Diesel	http://www.matsui-j.co.jp (Japanese)
Mitsubishi	http://www.mitsubishitoday.com/index.html
MTU	http://www.mtu-online.com
Perkins	http://www.perkins.com/
Scania	http://www.scania.com
Seatek	http://www.seatek-spa.com/en/marine-engines.html
Siemens	http://www.dresser-rand.com/products-solutions/siemens-gas-diesel-engines-gensets/
Volvo Penta	http://www.volvopenta.us/brand/en-us/home.html
Wartsila North America	http://www.wartsila.com
Westerbeke Corp.	http://www.westerbeke.com
Yanmar	http://www.yanmar.com