ISSC INC

USDOT 343395 • DBA: SEAPORT STEEL CO • 3660 EAST MARGINAL WAY S, SEATTLE, WA, 98134

ACTIVE

Authority:None on file

Insurance:None on file

BOC-3:Not on file

Safety Rating:S

MCS-150:Never updated

OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT

343,395

Status

ACTIVE

Entity Type

Corporation

Operation

Interstate

State

Washington

Phone

2062249093

[email protected]

Power Units (MCS-150)

Drivers (MCS-150)

Safety Rating

MCS-150 Mileage

644,622

Physical Address

3660 EAST MARGINAL WAY S, SEATTLE, WA, 98134

Mailing Address

3660 E MARGINAL WAY S, SEATTLE, WA, 98134

Contact

Phone: 2062249093

Email: [email protected]

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority

Revoked / Inactive

Authority Types

Insurance Policies

None on file

BOC-3 Filing

Not on file

Operating Authority

fmcsa-authhistApr 5, 2026

No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Driver Fitness

N/A

Unsafe Driving

12%

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections

Violations

101

24 OOS

Vehicle OOS %

30.9%

Above nat'l avg (23.4%)

Driver OOS %

1.5%

Power Units (MCS-150)

Drivers (MCS-150)

Crash Records

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Clean monthMonth with OOSBased on latest 68 of 68 inspection records

Inspection Activity Map

5 states • 68 inspections

None Low Medium High🚛 Home base

Violation Summary (101 violations from 68 inspections)

fmcsa-inspection-file

Violation Summary (101 violations from 68 inspections)
Code	Description	# Violations	# OOS	Severity Wt	BASIC
FMCSR:392.2	Operating a CMV while ill or fatigued	8	0	8	Unsafe Driving
FMCSR:393.47(e)	Slack adjuster defective	5	0	7	Vehicle Maintenance
FMCSR:393.75A3-TAOL	Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS	4	4	—	Vehicle Maintenance
FMCSR:392.2-SLLED	Operating a CMV while ill or fatigued	4	0	8	Unsafe Driving
FMCSR:395.8A	Failing to keep RODS	4	0	7	Hours Of Service
FMCSR:393.45D-B	Brake tubing/hoses inadequate	4	0	7	Vehicle Maintenance
FMCSR:393.110B3-C	Cargo securement - logs	4	4	7	Vehicle Maintenance
FMCSR:393.9(a)	Inoperable required lamps	4	0	3	Vehicle Maintenance
FMCSR:393.100B-C	Cargo securement - aggregate working load	3	3	6	Vehicle Maintenance
FMCSR:393.75(a)(3)	Tire-flat and/or audible air leak	3	3	—	Vehicle Maintenance
FMCSR:390.21TE2IV-D	390.21TE2IV-D	2	0	—	General/Admin
FMCSR:392.2-SLLLR	Operating a CMV while ill or fatigued	2	0	8	Unsafe Driving
FMCSR:396.17C-PI	No proof of periodic inspection	2	0	3	Vehicle Maintenance
FMCSR:392.2-SLLEWA2	Operating a CMV while ill or fatigued	2	0	8	Unsafe Driving
FMCSR:393.55E-B	Coupling device/towing methods defective	2	0	8	Vehicle Maintenance
FMCSR:392.2-SLLEWA3	Operating a CMV while ill or fatigued	2	0	8	Unsafe Driving
FMCSR:393.110(b)(3)	Cargo securement - logs	2	2	7	Vehicle Maintenance
FMCSR:393.45(b)(2)	Brake tubing/hoses inadequate	2	0	7	Vehicle Maintenance
FMCSR:395.3(a)(3)(ii)	Driving after 60/70-hour limit	2	0	8	Hours Of Service
FMCSR:393.45B2-B	Brake tubing/hoses inadequate	2	0	7	Vehicle Maintenance
FMCSR:396.3A1-BOS	BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination	1	1	—	Vehicle Maintenance
FMCSR:393.53B-B	Steering system components worn	1	0	7	Vehicle Maintenance
FMCSR:392.2-SLLUCR	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:392.2-SLLSR	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:395.24	HOS (ELD) - ELD Form and Manner	1	0	—	Hours Of Service
FMCSR:396.5B-L	Fuel system leak	1	0	7	Vehicle Maintenance
FMCSR:392.2-SLLSIV	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:396.3A1-BALR	Air Brake - Fails air loss rate test	1	1	—	Vehicle Maintenance
FMCSR:393.45B2-B-AIR	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:392.16-D	Failing to use seat belt (49 CFR)	1	0	3	Unsafe Driving
FMCSR:392.9A-DFSL	Operating without proper operating authority	1	0	8	General/Admin
FMCSR:393.11A1-LHLM	Lighting devices/reflectors	1	0	3	Vehicle Maintenance
FMCSR:392.2-SLLTCD	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:392.2-SLLCP	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.9A-LSLIWR	Inoperable required lamps	1	1	3	Vehicle Maintenance
FMCSR:392.9A2-C	Cargo - Vehicle components or dunnage not secured	1	1	—	Unsafe Driving
FMCSR:392.2-SLLIRP	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:396.17(c)	No proof of periodic inspection	1	0	3	Vehicle Maintenance
FMCSR:393.55(d)(3)	Coupling device/towing methods defective	1	0	8	Vehicle Maintenance
FMCSR:393.104(f)(3)	Cargo securement - tiedown damaged	1	0	6	Vehicle Maintenance
FMCSR:393.104(b)	Cargo securement - tiedown damaged	1	0	6	Vehicle Maintenance
FMCSR:393.11(b)	Lighting devices/reflectors	1	0	3	Vehicle Maintenance
FMCSR:393.11(a)(1)	Lighting devices/reflectors	1	0	3	Vehicle Maintenance
FMCSR:393.100(b)	Cargo securement - aggregate working load	1	1	6	Vehicle Maintenance
FMCSR:393.45(d)	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:393.9A-HLLH	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.9A-LLPL	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.104F3-C	Cargo securement - tiedown damaged	1	0	6	Vehicle Maintenance
FMCSR:393.9A-LRLI	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.70(b)(1)(i)	Coupling devices defective	1	0	8	Vehicle Maintenance
FMCSR:393.53(b)	Steering system components worn	1	0	7	Vehicle Maintenance
FMCSR:393.110(b)	Cargo securement - logs	1	1	7	Vehicle Maintenance
FMCSR:396.3(a)(1)	Inspection/repair/maintenance - general	1	1	5	Vehicle Maintenance
FMCSR:392.16(a)	Failing to use seat belt (49 CFR)	1	0	3	Unsafe Driving
FMCSR:383.23(a)(2)	CDL - wrong class	1	1	8	Driver Fitness
FMCSR:376.11(d)(1)	376.11(d)(1)	1	0	—	Unknown
FMCSR:391.41(a)	Physical qualification - general	1	0	7	Driver Fitness
FMCSR:393.55(c)(1)	Coupling device/towing methods defective	1	0	8	Vehicle Maintenance

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate

30.9%vs nat'l 23.4%

+7.5 pts above avg

Driver OOS Rate

1.5%vs nat'l 6.7%

-5.2 pts below avg

Violations / Inspection

1.49vs nat'l 1.80

-0.31 below avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (68 inspections)

Showing 50 of 68

fmcsa-inspectionsApr 5, 2026

Inspection History (68 inspections)
Date	Report #	Station	State	Level	Vehicle	Violations	Top Codes	OOS
Mar 19, 2026	87377633	ARLINGTON WA	WA	Level 3	UNKNOWN SEMI-TRAILER	0	—	No
Mar 4, 2026	87213385	RIDGEFIELD WA	WA	Level 2	UNPUBLISHE SEMI-TRAILER	1	393.75A3-TAOL	Yes
Mar 2, 2026	87233087	RIDGEFIELD WA	WA	Level 1	KENWORTH STRAIGHT TRUCK	3	396.3A1-BOS, 393.53B-B, 390.21TE2IV-D	Yes
Feb 5, 2026	87001442	RIDGEFIELD WA	WA	Level 1	KENWORTH TRUCK TRACTOR	0	—	No
Feb 3, 2026	86985777	EVERETT WA	WA	Level 3	UNPUBLISHE SEMI-TRAILER	1	392.2-SLLED	No
Jan 26, 2026	86927315	DU PONT WA	WA	Level 3	UNKNOWN SEMI-TRAILER	0	—	No
Jan 14, 2026	86830434	ELLENSBURG WA	WA	Level 3	UNKNOWN SEMI-TRAILER	0	—	No
Jan 7, 2026	86761953	TACOMA WA	WA	Level 2	KENWORTH TRUCK TRACTOR	6	392.2-SLLUCR, 390.21TE2IV-D, 392.2-SLLSR	Yes
Dec 17, 2025	86625688	OLYMPIA WA	WA	Level 3	KENWORTH TRUCK TRACTOR	1	392.2-SLLLR	No
Dec 9, 2025	86561830	PASCO WA	WA	Level 1	KENWORTH STRAIGHT TRUCK	0	—	No
Nov 4, 2025	86275917	FEDERAL WAY WA	WA	Level 1	UNPUBLISHE SEMI-TRAILER	3	396.17C-PI, 396.5B-L, 392.2-SLLSIV	No
Oct 8, 2025	86001700	BOW WA	WA	Level 2	UNPUBLISHE SEMI-TRAILER	5	395.8A, 393.75A3-TAOL	Yes
Sep 17, 2025	85835417	KELSO WA	WA	Level 3	UNPUBLISHE SEMI-TRAILER	1	392.2-SLLED	No
Jul 24, 2025	85344639	ARLINGTON WA	WA	Level 2	KENWORTH TRUCK TRACTOR	3	392.2-SLLEWA2, 393.45D-B, 396.3A1-BALR	Yes
Jun 18, 2025	85010241	KELSO WA	WA	Level 3	KENWORTH TRUCK TRACTOR	1	392.2-SLLEWA2	No
Jun 13, 2025	84980063	DU PONT WA	WA	Level 1	KENWORTH TRUCK TRACTOR	3	393.100B-C, 393.45B2-B-AIR, 393.55E-B	Yes
Jun 10, 2025	84911291	COLBERT WA	WA	Level 3	KENWORTH TRUCK TRACTOR	0	—	No
Jun 8, 2025	86124880	VANCOUVER WA	WA	Level 3	KENWORTH TRUCK TRACTOR	1	392.2-SLLLR	No
Jun 4, 2025	84895593	DU PONT WA	WA	Level 3	KENWORTH TRUCK TRACTOR	1	392.16-D	No
May 7, 2025	84621452	RIDGEFIELD WA	WA	Level 3	WABASH NAT SEMI-TRAILER	1	392.2-SLLEWA3	No
Apr 15, 2025	84420596	SIDEWINDER PLATFORM SCALE	CA	Level 1	TRAO SEMI-TRAILER	1	392.9A-DFSL	No
Mar 27, 2025	84237672	ROCK CREEK OR	OR	Level 1	HOBBS TRAI SEMI-TRAILER	0	—	No
Mar 26, 2025	84251597	RIDGEFIELD WA	WA	Level 1	KENWORTH STRAIGHT TRUCK	1	393.11A1-LHLM	No
Feb 12, 2025	83857143	POST FALLS ID	ID	Level 2	KENWORTH TRUCK TRACTOR	2	393.110B3-C, 396.17C-PI	Yes
Feb 12, 2025	83867565	DU PONT WA	WA	Level 3	KENWORTH TRUCK TRACTOR	1	392.2-SLLED	No
Feb 6, 2025	83814354	LAKEWOOD WA	WA	Level 3	KENWORTH TRUCK TRACTOR	1	392.2-SLLTCD	No
Feb 5, 2025	83803644	RIDGEFIELD WA	WA	Level 3	KENWORTH TRUCK TRACTOR	1	392.2-SLLCP	No
Feb 3, 2025	83774602	SPRAGUE WA	WA	Level 3	UTILITY TR SEMI-TRAILER	0	—	No
Nov 25, 2024	83258541	LACEY WA	WA	Level 2	UNPUBLISHE SEMI-TRAILER	1	393.9A-LSLIWR	Yes
Nov 4, 2024	83087864	CONWAY WA	WA	Level 2	UNPUBLISHE SEMI-TRAILER	1	392.9A2-C	Yes
Oct 21, 2024	82973492	DU PONT WA	WA	Level 3	KENWORTH TRUCK TRACTOR	2	392.2-SLLIRP, 392.2-SLLEWA3	No
Oct 2, 2024	82831110	QUINCY WA	WA	Level 3	UNKNOWN SEMI-TRAILER	0	—	No
Oct 2, 2024	82819435	SPOKANE WA	WA	Level 3	KENWORTH TRUCK TRACTOR	0	—	No
Sep 12, 2024	82666736	RIDGEFIELD WA	WA	Level 3	TRANSCRAFT SEMI-TRAILER	3	392.2	No
Sep 11, 2024	82627452	RIDGEFIELD WA	WA	Level 2	FREIGHTLIN TRUCK TRACTOR	4	393.75(a)(3), 396.17(c), 393.9(a)	Yes
Sep 5, 2024	82604322	CHATTAROY WA	WA	Level 3	KENWORTH TRUCK TRACTOR	1	392.2	No
Aug 23, 2024	82473750	DU PONT WA	WA	Level 2	KENWORTH TRUCK TRACTOR	1	393.110(b)(3)	Yes
Aug 12, 2024	82369322	ARLINGTON WA	WA	Level 2	UNPUBLISHE SEMI-TRAILER	1	393.104(f)(3)	No
Jun 3, 2024	81780355	PASCO WA	WA	Level 2	KENWORTH TRUCK TRACTOR	1	393.104(b)	No
May 8, 2024	81586964	FEDERAL WAY WA	WA	Level 3	UNPUBLISHE SEMI-TRAILER	0	—	No
May 7, 2024	81552893	POST FALLS ID	ID	Level 2	UTILITY SEMI-TRAILER	4	393.11(b), 393.110(b)(3), 393.11(a)(1)	Yes
May 7, 2024	81574781	MOSES LAKE WA	WA	Level 2	WABASH NAT SEMI-TRAILER	1	393.100(b)	Yes
Apr 30, 2024	81492336	RIDGEFIELD PORT OF ENTRY	WA	Level 1	INTERNATIO STRAIGHT TRUCK	5	395.3(a)(3)(ii), 393.45(b)(2), 393.75(a)(3)	Yes
Apr 16, 2024	81372574	FEDERAL WAY WA	WA	Level 3	KENWORTH TRUCK TRACTOR	1	392.2	No
Mar 27, 2024	81263544	STANWOOD WA	WA	Level 3	KENWORTH TRUCK TRACTOR	0	—	No
Mar 18, 2024	81160470	RIDGEFIELD WA	US	Level 1	ISUZU STRAIGHT TRUCK	1	393.9A-HLLH	No
Feb 20, 2024	81187408	SC38 STANWOOD BRYANT	WA	Level 3	KW STRAIGHT TRUCK	0	—	No
Feb 8, 2024	80798395	SELAH WA	WA	Level 2	UNKNOWN SEMI-TRAILER	0	—	No
Feb 5, 2024	80773266	MONTESANO WA	WA	Level 2	UTILITY TR SEMI-TRAILER	0	—	No
Jan 26, 2024	80713772	RIDGEFIELD WA	WA	Level 3	KENWORTH TRUCK TRACTOR	0	—	No

View all 68 records

View all 68 inspections →

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

43 total · 32.6% OOS

2024-042026-03

InspectionsOOS

Most frequent inspection stations

RIDGEFIELD WA11 · 5 OOS

DU PONT WA9 · 4 OOS

ARLINGTON WA3 · 1 OOS

FEDERAL WAY WA3

POST FALLS ID2 · 2 OOS

LACEY WA2 · 1 OOS

OLYMPIA WA2 · 1 OOS

KELSO WA2

Violations by BASIC category

Vehicle Maintenance61 · 22 OOS

Unsafe Driving27 · 1 OOS

Hours of Service7

General/Admin3

Driver Fitness2 · 1 OOS

Unknown1

Recent Crashes

8 crash records from FMCSA Crash File

Total Crashes

Fatalities

Injuries

Across 1 crash

Tow-Aways

Crash History (8 records)

fmcsa-crash-fileApr 5, 2026

Crash History (8 records)
Date	State	Severity	Injuries	City	Location	VIN	Carrier Name at Crash
Jan 11, 2023	WA	INJURY	1	VANCOUVER	FRUIT VALLEY RD/W 31ST ST	...417949	SEAPORT STEEL CO
Oct 17, 2019	WA	TOW	0	—	—	—	—
Feb 5, 2019	WA	TOW	0	—	—	—	—
Dec 20, 2018	WA	TOW	0	—	—	—	—
Feb 22, 2018	OR	TOW	0	—	—	—	—
Dec 8, 2015	WA	TOW	0	—	—	—	—
Nov 13, 2015	WA	TOW	0	—	—	—	—
Jan 16, 2013	WA	TOW	0	—	—	—	—