If your boat was made within the last 30 years then it should have a Hull ID Number (HIN) on the transom and somewhere inside the boat.
The first 3 characters of the HIN are known as the MIC and can be used to identify your manufacturer.
Take the MIC and enter it at this USCG site to find out more about a particular boat builder:
Company Name | Manufacturers Identification Code |
| A G R Inc | AGI |
| A.J.Enterprises | WOJ |
| Aaron Marston | AJM |
| Acadia Canoes | AAG |
| Acadia Watercraft | AWK |
| Advance Boat Company | XAI |
| Advanced Fiberglass Fabrication | AFA |
| Aladdin Products Inc | MON |
| Alden Rowing Shells Llc | EWU |
| Alden Rowing Shells Llc | ORG |
| Alpha Composite Technology | JDO |
| Arkwright Boats | AKH |
| Arro Yachts Inc | AYH |
| Atlantic Aqua Marine | AUM |
| Atlantic Boat Co Inc | ABH |
| Atlantic Challenge Foundation | ASF |
| Atlantic Offshore Boat Inc | ATB |
| B & S Corps | BSW |
| B & S Whitehall Boats | WLX |
| Bailey Bros. Canoe Co | IBY |
| Bailey Marine | BLI |
| Baldwin Boat Co | BWJ |
| Banks Cove Woodworking | BCW |
| Bass Harbor Boat | BHB |
| Bass Harbor Marine | BHU |
| Bay Of Maine Boats | PWH |
| Bear Creek Canoe Inc | RTN |
| Benjamin River Boat Yard | BEN |
| Benjamin River Marine | BME |
| Billings Diesel & Marine | BGS |
| Bill's Boats | WWH |
| Blevins Co | DHP |
| Blue Hill Boats | DQC |
| Boats Etc | GHO |
| Booth's Boats Inc | BQU |
| Bowden Marine Service | BOZ |
| Brand G Manufacturing | RHG |
| Brewer Yacht Builder, Malcom H | MHB |
| Bridges Point Boat Yard Inc | BQP |
| Brooklin Boat Yard | BKN |
| Brooks Boats | BBK |
| Bruce Malone Boatbuilder | BRQ |
| Bullhouse Boatworks | BHP |
| Burts Canoes | BCH |
| C R Rooney | CRP |
| C. Greg Rossel Boat Carpentry | ROZ |
| C. Stickney Boatbuilders Ltd | CSH |
| Caddis Canoe | CZX |
| Calvin Beal Jr (oob) | GDW |
| Calvin Beal Jr Inc | CJI |
| Canaan Canoes | CND |
| Cannell, Payne And Page | WCO |
| Carrying Place Boat Co | DQO |
| Casco Bay Skiffs Inc | YBS |
| Casco Bay Wood Prod | PGK |
| Caterpillar Boat Works | COT |
| CB Boatworks Inc | ATJ |
| Center Harbor Boats | CHU |
| Charles Grosgeon | CIE |
| Chebeaque Marine Inc | MPQ |
| Chip Flanagan - Boatbuilder | JDR |
| Christopher Lee | CLI |
| Clark Island Boat Work | BDW |
| Classic Boat Shop | ICM |
| Classic Boat Works Of Maine | WSS |
| Cliff Island Boat Doctors | CHD |
| Clifford Alley & Sons Boatshop | CAS |
| Coastliner Inc | FZH |
| Cobscook Bay Boatworks | COB |
| Commercial Marine | COE |
| Condons Boat Yard | CXT |
| Corson Boat Co | CBT |
| Cranberry Island Boatyard,Inc | CIJ |
| Crooked River Boat Works Inc | KDH |
| Crowley Boat Inc | CFB |
| Curtis Cove Boat Works | CCK |
| D M Leight Co | DLQ |
| D N Hylan & Associates Inc | HVL |
| Damariscotta Boats Inc | DMG |
| Dan Mclaughlin Co | DLH |
| Danskin Boats | DAK |
| Dark Harbor Boat Yard | DHB |
| David Foster Boats | DFG |
| David Nutt | NUT |
| David Pecci Carpentry | DPA |
| David Sweet-Boatbuildr | HCW |
| Deerfoot Yacht Sales | DFZ |
| Design Composites | DXP |
| Designer Dinghys | PQX |
| Dicks Discount & Marine | DDM |
| DMR Yachts | DYI |
| Donald W Farnsworth | DWF |
| Down East Wooden Boats | DEB |
| Downeast Fisherman | JPP |
| Downeast Peapods | DPS |
| Duffy & Duffy Fiberglass Boats, Inc | DUJ |
| E T Gamage, Inc | GMS |
| Eastporter Passamaquo | PSS |
| Edmol Marine | EMV |
| Edmol Marine | SRT |
| Elite Boatworks Inc | EQG |
| Ellis Boat Co., Inc | RDL |
| English Boat Co | ENG |
| Enterprise Marine Corp | EMG |
| Eric Dow Boatbuilder | EDB |
| Even Keel Marine Specialities | JLO |
| F F G Boat Co | FFN |
| Farrin's Boatshop | FAI |
| Ferrell Boats | FRM |
| Fibercraft Of Maine | FBM |
| Fiberglass Plus Rec Industry | FPZ |
| Fiberplex Boat Works | TFT |
| Finestkind Boat Yard | FKV |
| Five Island Boat Works | XSL |
| Flye Point Corporation | FPC |
| Flye Point Marine Inc | BHH |
| Foley Boatbuilding Inc | FOL |
| Fore River Boats | FRO |
| Frankfort Boat Works Inc | FBU |
| Fred Hutchings | FHA |
| French & Webb Inc | FZM |
| G & W Inc | WKP |
| G A Patten Boatbuilder | GAP |
| Gazelle Canoe | GZL |
| Gazelle Products Inc | GPP |
| General Marine Inc | GMW |
| Georges River Boat Shp | GRB |
| Geyer & Crowley Boats | GKA |
| Gifted Hand Auto Body Custom | GHH |
| Glas-Spec Inc | GSJ |
| Gowers Boat Shop | EPH |
| Graffie's Boat Shop | GFR |
| Great Harbor Yachts | EIN |
| Greene Marine Inc | GNQ |
| H & H Marine | HHZ |
| H & H Marine Inc | HHM |
| H2 Outfitters | HJO |
| Hadden Boat Company | HVD |
| Hammonds Boat Shop | HVB |
| Handy Boat Service Inc | HYJ |
| Harbor Master Yachts | HMY |
| Hardchine Engineering | HIE |
| Harraseeket Mrn Svc | HAR |
| Haskell Enterprises | HKE |
| Hedgehog Hollow Canoes | HJB |
| Heritage Boat Works | HEK |
| Hill's Boat Yard | HBX |
| Hinckley Co | HRH |
| Hinckley Company, The | THC |
| Hodgdon Yachts Inc | HGB |
| Hodgdon Yachts Inc | HGC |
| Hollands Boat Shop | HLG |
| Howard Heasley Cusom Boats | JDC |
| Howard's Small Boats | HSM |
| Hydranova Inc | EKU |
| Inheritance Class | ICC |
| Iris Boatworks | IRB |
| Island Dory Boatworks | RSS |
| Island Woodworking Inc | IWW |
| J & J Marine | JJB |
| J Ervin Jones | JEJ |
| J M Laurence Co | JMU |
| J S Gordon & Sons Boatworks | JGB |
| Jack Dunn | JDN |
| James Stevens | JSG |
| James W Lynch Co | JWH |
| Jarvis Newman Inc | JNY |
| JBF Environmental Systems | JBF |
| Johanson Boatworks | JOH |
| John M William Co | JMW |
| Johnson Boats | JNL |
| Joiner Shop Inc, The | JNR |
| Kaiulani Sailing Vessel | KSV |
| Katahdin Canoe Co | KCV |
| Kennebec Boat Co | KDD |
| Kennebec River Homes Inc | KRH |
| Konitzky Boatworks Inc | KOY |
| L L Bean | LLI |
| Lagner Marine Enterprises | LMT |
| Landing Schl Of Bt Bld | LKS |
| Lanning Marine | LNG |
| Lapham Navigation, Inc | LAP |
| Lawrena Torrey Jr | KTE |
| Leavitt Quality Corp | LQC |
| Lee Canoes | LCQ |
| Lee S. Wilbur & Co | LSW |
| Libra Industries | LRD |
| Lil Fleet | ILF |
| Longfield Dory Co | LFO |
| Lyman-Morse Boatbuilding | MJE |
| Maine Cat | MCP |
| Maine Coast Boatworks | KYM |
| Maine Coast Construction | RSU |
| Maine Homemade Boats | MEZ |
| Maine Hydrospace Ind | MHZ |
| Maine Marine Co | LCN |
| Maine Maritime Museum | APP |
| Maine Way Boat Works Inc | MWH |
| Maine Wilderness Canoe | MWN |
| Maine Woodcraft | MEF |
| Mainebuilt | MIV |
| Mainely Fiberglass | IMH |
| Make And Break Ent. | BXK |
| Malcom L Pettegrow, Inc | MPK |
| Manset Marine Supply | MSC |
| Marine Systems Custm Boatbuilding | MSD |
| Martin Tooling & Laminates | TOL |
| Maynard Services | NYD |
| McFarlands Boat Yard | FYM |
| Michael W Madore | MWO |
| Mile Creek Boat Shop | MLC |
| Mitchell Cove Boat | MDS |
| Monhegan Skiffs | MSK |
| Moore Boat Co | MRA |
| Moose Island Marine | MIT |
| Moose River Canoe Company | MXT |
| Morgan Bay Boat Co | MGD |
| Morgan Boat Company | LZJ |
| Morris Yachts Inc | TMY |
| Mount Desert Yacht Yard 1 | MDY |
| Mousam River Boat Co | MVA |
| Moyer's Shop | DMD |
| Mt Desert Island Boatworks | MTD |
| Murphy Skiffs | MUQ |
| New England Fiberglass | NEN |
| New Harbor Marine Inc | NHM |
| Newhall Boat Works | NHW |
| Norman Dwelley | NDU |
| North Atlantic Ind | NAG |
| North End Composites | NEH |
| North Pond Canoe & Fiberglass | NPF |
| North Shore Yachts | RSV |
| Northeast Fiberglass | NFK |
| Northern Bay Boats | NYB |
| Northern Edge Custom Boats | NGE |
| O P Peterson Co | XPP |
| Oat Canoe Co | OAT |
| Ocean Cruising Yacht Inc | XYG |
| Ocean Plus | XPC |
| Oceanville Marine | OCE |
| Old Harbor Marine | OLL |
| Old Town Canoe Co | XTC |
| Osmonds Boat Shop | XMB |
| Otis Enterprises Marine Corp | OTE |
| Owen B Luke | LUK |
| Padebco Custom Yachts | PDB |
| Paga Marine | PGM |
| Parker Yachts | PYW |
| Paul E Luke Inc | PEL |
| Paul Raspante | PJR |
| Peabody Boat Repair | EHF |
| Pemaquid Beach Boat Works Inc | PBV |
| Pembroke Boat Co | PKG |
| Penobscot River Canoe Co | PVD |
| Performance Marine Inc | PMR |
| PNJ Boatworks | CLA |
| Pointer Corp | PTR |
| Portland Perma-Float | PAA |
| Portland Yacht Services | PZL |
| Poseidon Kayak Imports | PKI |
| R & R Dinghies | RJP |
| R L Wallace & Sons Inc | NAW |
| R P Boat Shop | RPB |
| R.C. Mac Kenzie | RMC |
| Ralph W Stanley Inc | RWL |
| Reckards Canoe Shop | RKP |
| Reinforced Plast Co | REP |
| Renaissance Yacht Co | EKE |
| Rich Craft Boat Co | RCF |
| Richard S Pulsifer Co | PUL |
| Rittalls Boat Yard | RTT |
| River Bend Fiberglass | RBA |
| Rivers Gilman Mould Products | RGP |
| RKL Boatworks | RKL |
| Roan Boat Works | FEV |
| Robert Stevens Boatbuilder | JFN |
| Robert W Stephens Woodenboats | RWS |
| Robinhood Marine Center | HDO |
| Rock Skidder Dinghey | RKD |
| Rockland Harbor Boatyard | YHB |
| Rockport Marine | ROK |
| Rockwell Fiberglass Products | ROF |
| Rollins Boat | PUA |
| Royall Boatworks & Woodworking | RBU |
| Rumerys Boat Yard Inc | RUM |
| Rumery's Boat Yard Llc | URM |
| Russell Boatworks | RZW |
| Sabre Corporation | HWS |
| Saco River Canoe | SOO |
| Salt Bay Boat Co (oob) | KBR |
| Salty Boats Of Maine | SIY |
| Scandia Yacht Sales | YSM |
| Schoenbrod Race Shells | OEN |
| Schoodic Designs | SDE |
| Sea Hoss Skiffs | SHF |
| Sea Skiff | GFJ |
| Seal Cove Boat Yard Inc | SVB |
| Seaway Boats Inc | XKX |
| Shamel Boat & Canoe Works | VSF |
| Shaw's Yacht Service Inc | YSE |
| Shew & Burnham | SAB |
| Snow Harbor Corp | SJT |
| South Shore Boat | SSI |
| Southport Island Marine Llc | ILM |
| Southwest Boat Co | WZT |
| Sprague Canoe Co | SXF |
| Springbrook Boatworks | ATM |
| Springfield Boat Co | UAC |
| Star Boat Co | SAT |
| Stimson Marine | SPM |
| Stuart Marine Corp | RSO |
| Superior Welding & Fabrication | SWU |
| Swan's Island Boat Shop | IBS |
| T & B Plastics Corp | TKR |
| T. Jason Boats | TJB |
| Taylor Made Products | TXL |
| Telos Canoe Company | TEO |
| Tenants Harbor Boat Yard | GER |
| The Artisans School | APQ |
| The Boatshop | TBO |
| The Carpenters Boat Shop | UCA |
| The Dry Marina | TXK |
| The Duck Boat Company Inc | DUC |
| The Mariner Inc | MMI |
| The Porter Corporation | TPV |
| The Sleeping Bear Inc | SAI |
| The Thurston Co, Inc | THU |
| The Woodsmith | WDJ |
| Tri-Town | PID |
| Tunnycraft Inc | TQN |
| Tyler Proctor Coast Bldg | TPQ |
| Walden Boats | WVB |
| Wallace Marine Services | WMS |
| Washington Co Vocational Technical Institute | WVT |
| Waterbourne | VCO |
| Wayfarer Marine Inc | WFW |
| Wayne Beal's Boat Shop | WYB |
| Webbers Cove Boat Yard | WBR |
| Wescott, Kevin | KWX |
| Wesmac | WES |
| West Bay Boats | WGX |
| West Fabrication Inc | WZS |
| Wilcox Mfg Co | WLQ |
| William Brooks Enterprises | WBE |
| Willis Enterprises | WPR |
| Windwood Boatworks Inc | WWX |
| Winterport Boat Co | WNP |
| Wolfsongs Horizon | WHQ |
| Wooden Boat Shop | WDO |
| Woodhalls Workshop | WIU |
| Woodsense | WCB |
| Yankee Air Boat Corp | YAB |
| York Harbor Yacht Co I | YHY |
| Young Bros Co, Inc | AEC |