Edgewater Beach Marina
- A marina on Houghton Lake offering boat rentals, moorage, winter storage, parts and service.
- http://www.edgewaterbeachmarina.com/

Fiberglass Repair Systems
- Mobile service offering repair and refinishing of all fiberglass products. Located in Kalkaska.
- http://www.fiberglassrepairsystems.com/

John's Custom Canvas & Upholstery
- Fabricates full Sunbrella enclosures and cockpit and mooring covers, and offers upholstery services. Located in Algonac.
- http://www.johnscanvas.com

Area Tent & Canvas
- Provides custom made boat, cockpit, and bow covers, convertible tops, bimini tops, and aft curtains. Located in Hemlock.
- http://www.areatent.com/

Ship Shape Yacht Care, Inc.
- Detroit facility offering fiberglass and structural damage repair, boat painting, custom woodwork, teak restoration, detailing, lettering, and carpet installation.
- http://shipshapeyachtcare.com

Wolverine Propeller LLC.
- Utilizes Prop Scan technology for remanufacture or modification of propellers in Lincoln Park.
- http://www.wolverinepropeller.com/

Fiberglass Boat Repair
- Fiberglass boat and personal watercraft repair and restoration. Metalflake, gel coats and aluminum repair and refinishing.
- http://midmichiganfiberglass.com/

Tops-In-Quality, Inc.
- Custom stainless steel fabricator specializing in marine products such as ladders, stanchions, rails, and hardware. Located in Marysville.
- http://www.topsinquality.com

Irish Boat Shop
- Marina and boatyard specializing in complete service and restorations, sailboat riggings, dockage and storage, new and used boat sales. Locations in Charlevoix and Harbor Springs.
- http://www.irishboatshop.com/

Johnny's Boat Propeller Sales & Service
- Repair, reconditioning, repitching, and rehubbing for power and sail boats. Authorized distributor for Michigan Wheel, Federal, and HyTorq.
- http://www.johnnysprop.com/

Gregory Boat Company
- Full service storage and brokerage marina, also specializes in boat interior restoration in Detroit.
- http://www.gregoryboat.com/