Kaplan & Associates Incorporated (KAI) is a United States Manufacturer of Heavy-Duty Outboard Drive Marine Propulsion Systems and Tunnel (Bow) Thrusters.

KAI has the core business of maintaining Murray & Tregurtha/Harbormaster, Schottel, and Jastram products, supplying heavy-duty, quality and competitive Outboard Marine Propulsion Systems and Tunnel Thrusters & parts.

Kaplan & Associates Inc. also maintains spare parts to service all Murray & Tregurtha/Harbormaster units. Customers Worldwide benefit from top notch and World recognized Service Department. Navy's around the globe rely on this expertise for performing on-site field service.

Expedited shipments are available 24/7 at (248) 788-3339