A&M is your full-service Marine and Diesel engine service provider. We offer sales, installation, maintenance, repair, and rebuilding of just about any diesel engine. Providing Factory-Authorized service on most major marine and power generation engines, including Cummins, Caterpillar, Volvo/Penta, MAN, Yanmar, Scania, NANNI, Cummins/Onan, Generac, and Northern Lights.