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 Douglas Ensley II | AEW |
| Ace Marine | ACD |
| Advance Marine Service Center | AVX |
| Airboats R Us | ABJ |
| Alaska Airboats | MAZ |
| Alaska Aluminum Products | AKP |
| Alaska Drift Boats | KRX |
| Alaska Homemade Boats | AKZ |
| Alaska Hovercraft | AHK |
| Alaska Marine | EJB |
| Alaska Power Services | ALA |
| Alaska Raft Houses Ltd | PGW |
| Alaskan Kayaks | AKW |
| Alaskan Kevtech Riverboats | KTX |
| Allen Marine Inc | EEW |
| Aluminum Works | ALG |
| Amazon Boat Works | AZN |
| Arctic Welding Service | AWS |
| Artic Arc Welding | AKQ |
| Atec | AIK |
| B & B Certified Welding Inc | BGP |
| Baidarka Boats | NRX |
| Bain's Welding | UGC |
| Baranof Boatworks | BDQ |
| Bay Welding Services | EKJ |
| Binkley Bros Inc | BKC |
| Blue Water Boats | UBW |
| Bluster Bay Woodworks | BBJ |
| C.M. Welding | CET |
| Cape Kasilof Boatworks | CKA |
| Carlson Enterprises | CEJ |
| C-Craft Unlimited | TVN |
| Chugiak Boat Works | CKJ |
| Clayton R Branda | XYP |
| Copper River Boat Repair | CQH |
| Cordova Outboard Inc | LDE |
| Das Boats | TGR |
| Eyon Metal Works | EYO |
| Four Sea Yacht | FSC |
| Freds's Welding | FWV |
| Freedom Welding Service | FWL |
| Fritzcreek Welding | FZW |
| G White & Son | GWF |
| Gangle's Fiberglass | GGF |
| Gater-Jet, Inc | GJT |
| Glass Menagerie; The | GNA |
| Grayling Boat Works | GBO |
| Heavy Weather Custom Boat | HWB |
| Island Boat Works | IBF |
| J S Enterprises | JSE |
| Johnson Enterprises | JEL |
| Kachemak Crafts Inc | KCH |
| Kachemak Marine Inc | KMN |
| Kachemak Welding & Fabrication | KWF |
| King Salmon Marine | KGS |
| Kodiak Fiberglass | KFX |
| Lambert Productions | LOL |
| Lance D Stace | LDS |
| Leecraft Welding | LKT |
| Lisianski Marina | LLL |
| M & M Welding | JKW |
| M D Enterprises | MDR |
| Madeira Boatworks | KAS |
| Marian Boat Works | WGN |
| Mat Su Fabrication Inc | MZW |
| Midway Welding & Fabrication | MDK |
| Naiad Inflatables USA Inc | NFL |
| Nopad Co | NZS |
| Northern Marine Maintenance | NNO |
| Northern Marine Services | QGL |
| Northland Designs Inc | NDG |
| Old Spice Boat Building | OSV |
| Old Spice Boatbuilding | OLB |
| Orca Marine & Fiberglassing Inc | ORC |
| Otter Marine | OTT |
| Parker & Sons Kodiak Boats | PQK |
| Peninsula Main.K-Craft | PKC |
| Peregrine Falcon Inc | PEM |
| Petersburg Public High School | PEX |
| Petersburg Shipwrights | PSO |
| Polar Boats & Yachts | PBP |
| Precision (Burgess Ent) | BUG |
| Precision Boatworks | PVK |
| Ray's Boat Shop | RSY |
| Rebos Marine | RSM |
| Redding Guinn Alum & Steel | GUJ |
| Retzel Enterprises | RCR |
| Ron's Custom Boats | RC2 |
| S & S Welding | XWS |
| S & S Weldng Of Alaska | XWE |
| Salmon Shark Boats | EIM |
| Sea-Mac Enterprises | EST |
| See's Fabricators | SFG |
| Shapes & Hulls Of Alaska Inc | EHV |
| Shearwater Manufacturing, Inc | SWG |
| Silver Eagle Marine | UCN |
| Simpco Welding | SNK |
| Sitka Skiffs | RJE |
| Skiff Shop, The | SKC |
| Sprint Marine Products | SMX |
| Svendsen Marine Works | SMW |
| Swiftwater Boatworks | SWV |
| T & S Welding Inc | TZW |
| T&S Welding Inc | TQS |
| Terra Marine Inc | TQI |
| Terry L Rice | TLU |
| The Mark Ervice Co | ERV |
| Theo W Fleming Co | TWZ |
| Vulcan Marine | VUL |
| Wakefield & Sons Inc | WAS |
| Warren Yacht Works | WYA |
| Water Walker Boats | WXA |
| Webber Marine & Mfg Inc | WVE |
| Wehl Built Boats | WFU |
| West Coast Radhial Inc | WQR |
| Westool Welding & Mfg | WLW |
| Wits Welding | WWO |