THORNE METAL WORKS HIN Decoder
Hull Identification Numbers beginning with TMX were assigned by the US Coast Guard to THORNE METAL WORKS of PARKERSBURG, IA. The builder is listed in the USCG MIC database. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
TMX
Location
PARKERSBURG, IA
In business
since 2010
Status
Listed active in USCG records
THORNE METAL WORKS hulls (2010–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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THORNE METAL WORKS HIN FAQ
What does a THORNE METAL WORKS HIN look like?
It starts with the three characters "TMX" — the Manufacturer Identification Code the US Coast Guard assigned to THORNE METAL WORKS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. THORNE METAL WORKS hulls (2010–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is THORNE METAL WORKS still in business?
USCG records list THORNE METAL WORKS of PARKERSBURG, IA in the MIC database (registered 2010).
How do I decode the year on a THORNE METAL WORKS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. THORNE METAL WORKS hulls (2010–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in IA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "THORNE METAL WORKS HIN Decoder," carwhere.com/hin-decoder/tmx, last verified 2026-06-12.