Carrier profile · USDOT 343395 · Updated Sep 6, 2026

Issc Inc

DBA SEAPORT STEEL CO

26 power unitsavg 10.5 yrRegional · 4 statesSEATTLE, WA86/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY
Verified linksseaportsteel.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)
26
Observed power (24 mo)
23
Trailers (towed)
28

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

Fleet age· model years · decoded VINs

10.5 yr
Average age
2026
Newest model yr
1997
Oldest model yr
64.7%
VINs decoded

Unit roster· VIN-decoded from inspections · NHTSA vPIC

VINTypeYearMakeModelInsp.Last seen
1XKZPP9X1PJ239805View sourced platform decodeTruck-Tractor2023KENWORTHT8806Apr 13, 2026
1XKZPP9X1PJ253848View sourced platform decodeTruck-Tractor2023KENWORTHT8805Aug 26, 2026
1XKZPP9X6PJ253845View sourced platform decodeTruck-Tractor2023KENWORTHT8805May 1, 2026
5DN1153438B000773View sourced platform decodeTrailer2008WESTERN TRAILER COWestern Trailer Company4Jul 6, 2026
1XKZPP9X5PJ239807View sourced platform decodeTruck-Tractor2023KENWORTHT8803Jul 6, 2026
1UYFS45328A339901View sourced platform decodeTrailer2008UTILITY TRAILER MAUtility Trailer Manufacturer3Jun 17, 2026
1XKZPP9X0PJ253856View sourced platform decodeTruck-Tractor2023KENWORTHT8803Jun 17, 2026
1TTF5330271083416View sourced platform decodeTrailer2007TRANSCRAFTTranscraft3Jan 7, 2026
1GRDM84276M700914View sourced platform decodeTrailer2006GREAT DANE TRAILERGreat Dane Trailers2Aug 26, 2026
1XKZPP9X9PJ253855View sourced platform decodeTruck-Tractor2023KENWORTHT8802May 28, 2026
1GRDM84226M700917View sourced platform decodeTrailer2006GREAT DANE TRAILERGreat Dane Trailers2May 5, 2026
2NK3HM6X5PM258642View sourced platform decodeTruck2023KENWORTHT2802Apr 27, 2026
5MAPA5340NH061776View sourced platform decodeTrailer2022UNPUBLISHE—2Mar 4, 2026
2NK3HM6X7PM258643View sourced platform decodeTruck2023KENWORTHT2802Mar 2, 2026
1XKZPP9X3PJ253849View sourced platform decodeTruck-Tractor2023KENWORTHT8802Feb 3, 2026
1E9A422F481408187View sourced platform decodeTrailer2008EFFICIENT HAULING —2Jan 26, 2026
1H2P04529LW022703View sourced platform decodeTrailer2020UNPUBLISHE—1May 28, 2026
1XKZPP9XXPJ253847View sourced platform decodeTruck-Tractor2023KENWORTHT8801May 5, 2026
1UYFS2489TA864044View sourced platform decodeTrailer2026UTILITY TRAILER MAUtility Trailer Manufacturer1Apr 21, 2026
1XKZPP9XXPJ253850View sourced platform decodeTruck-Tractor2023KENWORTHT8801Apr 21, 2026
2J9R3A1H6VK001169View sourced platform decodeTrailer1997UNPUBLISHE—1Apr 13, 2026
1TTF4220X51075110View sourced platform decodeTrailer2005UNKNOWN—1Mar 19, 2026
1XKZP4EX8PJ171300View sourced platform decodePower unit2023KENWORTH—1Mar 19, 2026
1RNF53A46ER031073View sourced platform decodeTrailer2014REITNOUER INCReitnouer Inc1Feb 5, 2026
1XKZPP9XXPJ239804View sourced platform decodePower unit2023KENWORTH—1Feb 5, 2026
1E9A422F981408184View sourced platform decodeTrailer2008EFFICIENT HAULING —1Feb 3, 2026
1XKZPP9X8PJ253846View sourced platform decodePower unit2023KENWORTH—1Dec 17, 2025
2XK5AJ8X5PM258607View sourced platform decodePower unit2023KENWORTH—1Nov 4, 2025
1GRDM84236M700912View sourced platform decodeTrailer2006GREAT DANE TRAILERGreat Dane Trailers1Nov 4, 2025
3EUDB1628R1090509View sourced platform decodeTrailer2024UNPUBLISHE—1Sep 17, 2025
1XKZPP9X1PJ253851View sourced platform decodeTruck-Tractor2023KENWORTHT8801Jul 24, 2025
5DN1153466B000764View sourced platform decodeTrailer2006UNPUBLISHE—1Jun 10, 2025
1RNF53A48PR058679View sourced platform decodeTrailer2023REITNOUER—1Jun 8, 2025
1JJF533F51S757339View sourced platform decodeTrailer2001FRUEHUAFFruehuaf1May 7, 2025
1FUJGHDV3CSBA5040View sourced platform decodeTruck-Tractor2012FREIGHTLINERCascadia1Apr 15, 2025
1TTF48208W1055491View sourced platform decodeTrailer1998TRANSCRAFTTranscraft1Apr 15, 2025
1H5P04023BN062502View sourced platform decodeTrailer2011HOBBS TRAI—1Mar 27, 2025
1H2V05324PE021535View sourced platform decodeTrailer2023UNPUBLISHE—1Feb 12, 2025
1TTF4520361078336View sourced platform decodeTrailer2006TRANSCRAFTTranscraft1Feb 12, 2025
3WKZP40X5RF355544View sourced platform decodeTruck-Tractor2024KENWORTHT8801Feb 6, 2025
1UYFS45348A339902View sourced platform decodeTrailer2008UTILITY TRAILER MAUtility Trailer Manufacturer1Feb 3, 2025
2BRA16K45XK000077View sourced platform decodeTrailer1999UNPUBLISHE—1Nov 25, 2024
1XKZDP9X1PJ253521View sourced platform decodeTruck-Tractor2023KENWORTHT8801Nov 4, 2024
1XKZPP9X3PJ253852View sourced platform decodePower unit2023KENWORTH—1Oct 2, 2024
1XKYP40X9HJ169818View sourced platform decodeTruck-Tractor2017KENWORTHT6801Oct 2, 2024
5MASA5329HA038339View sourced platform decodeTrailer2017UNKNOWN—1Oct 2, 2024
13N1422C6G1540383View sourced platform decodeTrailer2016FONTAINE T—1Oct 2, 2024
1TTE5330691086334View sourced platform decodeTrailer2009TRANSCRAFTTranscraft1Sep 12, 2024
1XKYP40X2HJ169823View sourced platform decodePower unit2017KENWORTH—1Sep 12, 2024
3AKJGEDR3JSJV0963View sourced platform decodeTruck-Tractor2018FREIGHTLINERCascadia1Sep 11, 2024
1RNF48A205R012016View sourced platform decodeTrailer2005REITNOUER INCReitnouer Inc1Sep 11, 2024

Showing 51 · most-inspected first.