• Yanmar: Renowned for their high-quality and reliable engines, Yanmar offers top-notch twin engines for various applications, including boats, generators, and pumps.

Website: www.yanmar.com

• Cummins: Cummins is a well-established brand in the marine industry, offering a range of twin engines for boats, yachts, and commercial vessels. Their engines are known for their power, efficiency, and durability.

Website: www.cummins.com

• MTU: MTU is a German-based company specializing in high-performance diesel engines. Their twin engines are widely used in the marine industry for applications such as commercial vessels, yachts, and luxury boats.

Website: www.mtu-online.com

• Cat: Caterpillar, or simply "Cat," is a well-known brand in the marine industry, offering a range of twin engines for boats, yachts, and commercial vessels. Their engines are known for their power, reliability, and fuel efficiency.

Website: www.caterpillar.com

• Nanni: Nanni is an Italian company that specializes in the design and production of pleasure craft engines, including twin engines. Their engines are known for their reliability, performance, and compact design.