USDOT 343395
Seaport Steel Co
Issc Inc · Seattle, WA · Interstate
Motor Carrier
✓ Registered fleet operator
26
Power units
21
Drivers
68
Roadside inspections
Fleet & safety
The operation
68
Inspections
Jun 17, 2026
Most recent
Jul 13, 2023
Earliest on file
| Date | State | Level |
|---|---|---|
| Jun 17, 2026 | WA | Level III — Driver-only |
| May 28, 2026 | WA | Level III — Driver-only |
| May 5, 2026 | WA | Level I — Full |
| May 1, 2026 | WA | Level I — Full |
| Apr 27, 2026 | WA | Level III — Driver-only |
About
Who we are
Seaport Steel Co is an interstate motor carrier based in Seattle, WA.
Auto-written from federal records. Claim this page to tell your own story and add your team.
Contact
Work with Seaport Steel Co
Address
3660 East Marginal Way S
Seattle, WA 98134
Phone
(206) 224-9093
PH•••@S•••.COM
Quote requests aren't active yet.
When Seaport Steel Co claims this page, shippers and brokers get a working quote form that lands straight in their inbox. Run this company?
Claim Seaport Steel Co — free →