Carrier profile · USDOT 44382 · Updated Jun 13, 2026

A-ox Welding Supply Company Inc

30 power unitsavg 7 yrRegional · 6 statesSIOUX FALLS, SD100/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Verified linksaoxwelding.comFMCSA SAFER

Equipment

Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150)
30
Observed power (24 mo)
20
Trailers (towed)
10

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

7.0 yr
Average age
2025
Newest model yr
2007
Oldest model yr
56.7%
VINs decoded

Unit roster· VIN-decoded from inspections · NHTSA vPIC

VINTypeYearMakeModelInsp.Last seen
1A9A44323RH939028View sourced platform decodeTrailer2024APPLIED CRYO TECHNApplied Cryo Technologies5Jun 11, 2026
4V4NC9EH9PN311587View sourced platform decodeTruck-Tractor2023VOLVO TRUCKVNL5May 18, 2026
2NKHLJ9X8MM446971View sourced platform decodeTruck2021KENWORTHT3 Series5Nov 11, 2025
5KKHAXFE4KPKS1069View sourced platform decodeTruck2019WESTERN STAR47005Nov 3, 2025
4V4NC9EHXRN645825View sourced platform decodeTruck-Tractor2024VOLVO TRUCKVNL4Jun 11, 2026
4V4NC9EH6RN645966View sourced platform decodeTruck-Tractor2024VOLVO TRUCKVNL4Oct 8, 2025
4V4NC9EH7PN303634View sourced platform decodeTruck-Tractor2023VOLVO TRUCKVNL4Sep 15, 2025
2NK4HJ7X2SM152563View sourced platform decodeTruck2025KENWORTHT3803Jun 17, 2026
1GRAA0627KB165650View sourced platform decodeTrailer1989GREAT DANE TRAILERGreat Dane Trailers3May 18, 2026
1A9PA4325CD503072View sourced platform decodeTrailer2012ALLOY CUSTOM PRODUAlloy Custom Products3Feb 19, 2026
1NKYLP9X4PJ231182View sourced platform decodeTruck2023KENWORTHT6802Jun 10, 2026
1FVHCYCY4FHGP4681View sourced platform decodeTruck2015FREIGHTLINERM22May 4, 2026
1NKYLP9X2PJ231181View sourced platform decodeTruck2023KENWORTHT6802Aug 29, 2025
1FVACXCS47HY34905View sourced platform decodeTruck2007FREIGHTLINERM21Apr 21, 2026
1A9PA4220DD503001View sourced platform decodeTrailer2013ALLOY TRAI—1Mar 11, 2026
4V4NC9EH9LN252664View sourced platform decodePower unit2020VOLVO—1Nov 20, 2025
1A9A44322LH939738View sourced platform decodeTrailer2020UNKNOWN—1Oct 8, 2025
1A9A44423KH939650View sourced platform decodeTrailer2019UNPUBLISHE—1Sep 15, 2025
1APA43214D503006Trailer2013ALLOY TRAI—1Jul 24, 2025
1A9A44223RH939029View sourced platform decodePower unit2024UNKN—1Jul 11, 2025
4V4NC9EH9NN303633View sourced platform decodePower unit2022VOLVO—1Jun 26, 2025
1HTMKAAN4DH302428View sourced platform decodeTruck2013INTERNATIONALMA0351Jun 10, 2025
2NKHLJ9XXMM446972View sourced platform decodePower unit2021KW—1Jun 2, 2025
3HAEUMML1LL352321View sourced platform decodePower unit2020INTERNATIO—1Apr 29, 2025
1A9A44525NH939961View sourced platform decodeTrailer2022APPLIED CRYO TECHNApplied Cryo Technologies1Apr 29, 2025
1FVHCYBS2BHAZ5714View sourced platform decodeTruck2011FREIGHTLINERM21Apr 9, 2025
1GRAA0629KB165651View sourced platform decodeTrailer2019GREAT DANE—1Nov 13, 2024
2NKHLJ9X3HM157924View sourced platform decodePower unit2017KENWORTH—1Oct 24, 2024
1FTBF2B61GEC33645View sourced platform decodePower unit2016FORD—1Oct 23, 2024
1GRAA0620KB165649View sourced platform decodeTrailer2019GREAT DANE—1Aug 26, 2024

Showing 30 · most-inspected first.