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ISO POLY FILMS INC
DBA: Isoflex Packaging
Gray Court, SC
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized · DOT 731278 · MC 334405
No Safety Rating
Active 3 yrs, 3 mo · first granted 1998
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-334405 · Common carrier
Insurance
On File
Old Republic Insurance Company
Safety
Not Rated
27.3% OOS · 18 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active 3 yrs, 3 mo since reinstatement on July 19, 2023; first granted May 4, 1998 (28 yrs, 5 mo ago)
- Insurance on file: $2,000,000
- Vehicle out-of-service rate 42.9% — above the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 18 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC334405
Motor Carrier of Property (Except Household Goods) · $750,000 required
Insurance on File
Old Republic Insurance Company
BI&PD · $2,000,000 · Policy MWTB 307766
Required Filings
Liability (BIPD)
$2,000,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
731278
MC Number
MC-334405
Safety Rating
Not Rated
Entity Type
Corporation
Operation Classification
Authorized for hire
MCS-150 Filed
October 14, 2025
FMCSA Registration
February 23, 1998
Authority First Granted
May 4, 1998
Authority Reinstated
July 19, 2023
Annual Mileage
524,000 mi (2022)
Contact Information
Address
101 Iso Parkway, Gray Court, SC 29645
Phone
Email
Website
Owner / Officer
Sabine Serbource
Officer 2
David Mckinney
Cargo Types
General Freight
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
18
Driver Inspections
14
Vehicle Inspections
9
Out-of-Service Violations
5
Violations by Category
Vehicle Maintenance8
Unsafe Driving4
Hours of Service1
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate42.9% · national avg 20.7%
⚠ Above national average (22.2pp higher)
27.3% of 11 inspections in the last 24 months put a driver or vehicle out of service —
64th percentile among carriers with 10–24 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
4 of 7 inspections
Unsafe Driving
1 of 12 inspections
Hours of Service
1 of 12 inspections
Driver Fitness
0 of 12 inspections
Controlled Substances
0 of 12 inspections
Crash History (2)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
2
Crashes
0
Fatalities
0
Injuries
2
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| November 10, 2025 | SC | — | — | Yes | No Adverse Conditions · Daylight · Dry |
| October 18, 2025 | KY | — | — | Yes | No Adverse Conditions · Dark - Not Lighted · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
KY4
NC3
GA1
PA1
SC1
TN1
and 2 more states
Fleet & Equipment (15)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~7
of 6 reported to FMCSA
Trailers
~8
seen at inspection
Equipment types observed
Dry Van
8
Tractor
5
Not Applicable
2
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2021 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR7MSMK5205 | 6 | 2 |
| 1989 Great Dane Trailers | Dry Van · 6 ft | 1GRAA0625KB161340 | 3 | — |
| 2015 Vanguard National Trailer Corporation (vntc) | Dry Van · 53 ft | 5V8VC5324FM501219 | 3 | 1 |
| 1989 Great Dane Trailers | Dry Van · 6 ft | 1GRAA0629KB161339 | 2 | 1 |
| 2023 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR6PSUN6417 | 2 | — |
| 2027 Freightliner Cascadia | Not Applicable · Class 8 | 1FUJHHDR0VLWZ2876 | 1 | 1 |
| 2020 Great Dane Trailers | Dry Van · 53 ft | 1GR1A0624LT155346 | 1 | 1 |
| 2005 Wabash Wabash National Corporation | Dry Van · 53 ft | 1JJV532W15L901918 | 1 | — |
| 2023 Strick Commercial Trailer | Dry Van · 53 ft | 1S12E9535PE548875 | 1 | — |
| 2021 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR5MSMK5204 | 1 | — |
Show all 15 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2022 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDR8NSMV7985 | 1 | — |
| 2023 Freightliner Cascadia | Not Applicable · Class 8 | 3AKJHHDR8PSUN6418 | 1 | — |
| 2025 Freightliner Cascadia | Tractor · Class 8 | 3AKJHHDRXSSWB6948 | 1 | — |
| 2016 Vanguard National Trailer Corporation (vntc) | Dry Van · 53 ft | 5V8VC5322GM602017 | 1 | — |
| 2015 Vanguard National Trailer Corporation (vntc) | Dry Van · 53 ft | 5V8VC5327FM501215 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (18)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| October 13, 2026 | 9109003162 | LAFAYETTE IN | III | 1 | — | BELMARK | Truck Tractor Semi-trailer |
FREIGHTLIN VAN GUARD |
3AKJHHDR0TSWM1511 5V8VC532XBM102244 |
IN 3765729 IN SP603THK |
| 392.2-SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Speeding 3 | ||||||||
| October 13, 2026 | 8632000250 | MERRILLVILLE IN | III | 1 | — | ISOFLEX | Truck Tractor Semi-trailer |
FREIGHTLIN VAN GUARD |
3AKJHHDR0TSWM1511 5V8VC532XBM102244 |
IN 3765729 IN SP603THK |
| 392.2-SLLLR | State/Local Laws - Lane restriction violation | Misc Violations | ||||||||
| September 22, 2026 | CV44705489 | LONDON KY | I | 2 | 1 | ISOFLEX PACKAGING | Truck Tractor Semi-trailer |
FREIGHTLINER GREAT DANE TRAILERS |
1FUJHHDR0VLWZ2876 1GR1A0624LT155346 |
IN 3910136 SC 47007PT |
| 393.75A3-TAOLTIS | OOSTires - All others, leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS | Tires | ||||||||
| 393.203C-CBP | Cab and Body Parts - Hood not securely fastened | Cab Body Frame | ||||||||
| August 27, 2026 | 0006909179 | HICKORY NC | II | — | — | ISOFLEX | Truck Tractor Semi-trailer |
FREIGHTLINER STRICK COMMERCIAL TRAILER |
3AKJHHDR8PSUN6418 1S12E9535PE548875 |
IN 3447423 SC 88128PT |
| March 9, 2026 | CV43854609 | BEREA, KY | III | — | — | ISOFLEX PACKAGING | Truck Tractor Semi-trailer |
FREIGHTLINER GREAT DANE TRAILERS |
3AKJHHDR7MSMK5205 1GRAA0629KB161339 |
IN 3828896 SC 91108PT |
| February 10, 2026 | E929604130 | PA, PA | III | 1 | — | ISOFLEX PACKAGING | Truck Tractor Semi-trailer |
FREIGHTLINER VANGUARD NATIONAL TRAILER CORPORATION (VNTC) |
3AKJHHDR7MSMK5205 5V8VC5324FM501219 |
IN 3828896 SC 1390PT |
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| November 19, 2025 | PSC1600522 | HURRICANE WV | II | 3 | 1 | — | Truck Tractor Semi-trailer |
FREIGHTLINER VANGUARD NATIONAL TRAILER CORPORATION (VNTC) |
3AKJHHDR7MSMK5205 5V8VC5324FM501219 |
IN 3828896 SC 1390PT |
| 393.75A3-TAOL | OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Tires | ||||||||
| 396.5B-L | Lubrication - Oil or grease leak | Other Vehicle Defect | ||||||||
| 393.47A-BCFSAD | Air Disc Brake - Contaminated friction surface | Brakes All Others | ||||||||
| November 10, 2025 | 1402001222 | BARNESVILLE GA | III | — | — | ISOFLEX | Truck Tractor Semi-trailer |
FREIGHTLINER VANGUARD NATIONAL TRAILER CORPORATION (VNTC) |
3AKJHHDR8NSMV7985 5V8VC5322GM602017 |
IN 3405724 SC 12150PT |
| August 4, 2025 | CV41015611 | LONDON, KY | I | — | — | ISOFLEX PACKAGING | Truck Tractor Semi-trailer |
FREIGHTLINER VANGUARD NATIONAL TRAILER CORPORATION (VNTC) |
3AKJHHDR7MSMK5205 5V8VC5324FM501219 |
IN 2958723 SC 1390PT |
| May 7, 2025 | 1310000097 | LOWELL IN, US | I | — | — | BADGERLAND PALLET RECYCLING | Truck Tractor Semi-trailer |
FREIGHTLINER GREAT DANE TRAILERS |
3AKJHHDR6PSUN6417 1GRAA0625KB161340 |
IN 3450308 SC 37121PT |
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| BELMARK | 1 | October 13, 2026 |
| BADGERLAND PALLET RECYCLING | 1 | May 7, 2025 |
| FYTER TECH | 1 | April 24, 2025 |
| NS0174387 | 1 | November 8, 2024 |
| EXCLUSIVE USE EXPRESS | 1 | August 12, 2024 |
| VOITH FABRICS | 1 | January 25, 2024 |
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| July 19, 2023 | REINSTATED | Common Carrier |
| July 19, 2023 | Active REINSTATED | Motor Carrier of Property (Except Household Goods) |
| July 5, 2023 | REVOKED | Common Carrier |
| March 1, 2012 | REINSTATED | Common Carrier |
| November 15, 2004 | REVOKED | Common Carrier |
| May 4, 1998 | GRANTED | Common Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| July 1, 2023 | BI&PD Primary/Excess | On file |
| June 2, 2023 | COMMON | On Record |
| October 12, 2004 | COMMON | On Record |
BOC-3 Process Agent
Royalty Speed LLC
126 BOMAR ST, Inman, SC, 29349-8849
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: November 1, 2026.
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