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WILLIAM N MASON INC
Baltimore, MD
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating and crash records checked
FMCSA status: Active & Authorized · DOT 227340 · MC 407667
Active
Authority Active
Satisfactory
Active 7 yrs, 3 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-407667 · Common carrier
Insurance
On File
$750,000 BIPD
Safety
Satisfactory
15.0% OOS · 26 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active for 7 yrs, 3 mo
- Insurance on file: $750,000
- FMCSA safety rating: Satisfactory
- Vehicle out-of-service rate 23.1% — above the 20.7% national average
- 26 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC407667
Contract Carrier
Insurance on File
SENTRY SELECT INSURANCE COMPANY
BI&PD · $750,000 · Policy A0210955001
Required Filings
Liability (BIPD)
$750,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
227340
MC Number
MC-407667
Operating Status
Active
Safety Rating
Satisfactory
Entity Type
Corporation
Operation Classification
Authorized for hire
MCS-150 Filed
May 6, 2026
FMCSA Registration
January 19, 1983
Authority Reinstated
June 3, 2019
Annual Mileage
278,770 mi (2024)
Contact Information
Address
3510 Wilkens Ave, Baltimore, MD 21229
Phone
Email
Owner / Officer
William N. Mason
Cargo Types
General FreightMotor VehiclesBuilding MaterialsMachinery/Large ObjectsConstruction Materials
Safety & Performance
Inspections, violations and crash history
Out-of-Service Rate
15.0% of inspections ended in an out-of-service order
20 inspections in 24 months
Vehicle OOS Rate
23.1%
Driver OOS Rate
0.0%
Ranks in the 38th percentile among carriers with 10–24 inspections — lower is better. CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Safety & Inspection Summary
Total Inspections
26
Driver Inspections
11
Vehicle Inspections
18
Total OOS Orders
11
Violations by Category
Vehicle Maintenance43
Unsafe Driving3
Hours of Service3
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate23.1% · national avg 20.7%
⚠ Above national average (2.4pp higher)
Inspection Trend by Year
2026
2025
2024
Inspection Records (26)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| August 26, 2026 | 3249C00041 | PERRYVILLE MD | I | 16 | 5 | — | Truck Tractor Semi-trailer |
INTERNATIONAL BUDDY MOBI |
2HSCEAER61C015048 139886M |
MD 978F67 MD 241079X |
| 393.207A-STBW | OOSSuspension - Suspension connecting rod or tracking component assembly missing the rubber bushing or the rubber bushing is worn to the extent that the component ca | Suspension | ||||||||
| 393.47A-BCLMBD-SA | OOSDrum Brake - Cracked/loose/missing lining/pad on a steering axle | Brakes All Others | ||||||||
| 396.3A1-BOS | OOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Brake Out Of Service | ||||||||
| 396.3A1-BARS | OOSAir Brake - Air reservoir separated from its original attachment points or moving more than 1 inch | Brakes All Others | ||||||||
| 393.207A-STBW | OOSSuspension - Suspension connecting rod or tracking component assembly missing the rubber bushing or the rubber bushing is worn to the extent that the component ca | Suspension | ||||||||
| 393.9B-LRLO | Lighting - Tail lamp - Any obstructed. | Lighting | ||||||||
| 396.3A1-BALAC | Brake - Audible air leak from a brake chamber | Brakes All Others | ||||||||
| 393.47A-BCLMBD | Drum Brake - Cracked/loose/missing lining/pad | Brakes All Others | ||||||||
| 393.47A-BCLMBD | Drum Brake - Cracked/loose/missing lining/pad | Brakes All Others | ||||||||
| 393.48A-BIBD | Drum Brake - Inoperative other than a steering axle | Brakes All Others | ||||||||
| 393.45B2-B-AIR | Air Brake - Hose/tubing damaged or not secured | Brakes All Others | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.53B-B | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Brakes All Others | ||||||||
| July 2, 2026 | 0226C00919 | PARKTON MD | II | 1 | — | MASON | Truck Tractor Semi-trailer |
INTERNATIONAL FONTAINE TRAILER CO. |
2HSCEAER61C015048 13NE55301B3551826 |
MD 978F67 MD 50158TL |
| 392.2-SLL | State/Local Laws - | |||||||||
| June 23, 2026 | F705617445 | SHAMOKIN DAM BORO PA | III | 3 | — | — | Truck Tractor Semi-trailer |
INTERNATIONAL TRANSCRAFT |
2HSCBAXR4YC020457 1TTF43200H1029795 |
MD 699F97 MD 660653G |
| 392.2-SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other | Dangerous Driving | ||||||||
| 392.9A-DFSL | Driver - Failing to properly secure load | General Securement | ||||||||
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | Inspection Reports | ||||||||
| May 15, 2026 | V262348546 | US 79, TX | II | 3 | 2 | STARCOM | Truck Tractor Trailer Semi-trailer Trailer |
KENWORTH FONA FONA FONA |
1XKDD40X49J250217 57JL34209N35A1125 57JE60308N3578225 57JM05105N35P2041 |
MD 721F66 ME 2579199 ME 2579200 ME 2579201 |
| 392.9A2-C | OOSCargo - Vehicle components or dunnage not secured | General Securement | ||||||||
| 395.8A-ELD | OOSELD - No record of duty status (ELD Required) | Incomplete/Wrong Log | ||||||||
| 392.2W | Excessive Weight violation | |||||||||
| January 15, 2026 | 2318C00801 | WYE MILLS MD | II | 1 | — | SAME | Straight Truck |
INTERNATIONAL |
2HSFMALR1TC047069 |
MD 004TE08 |
| 392.16-D | Driver - Failed to use seat belt while operating a CMV | Seat Belt | ||||||||
| November 12, 2025 | 3095C00425 | PERRYVILLE MD | I | 6 | 1 | — | Truck Tractor Semi-trailer |
INTERNATIONAL TC13450 |
2HSFMAMR9XC027365 TC13450 |
MD 701F02 MD 883604G |
| 393.207A-STCB | OOSSuspension - Suspension connecting rod or tracking component assembly (including spring leaves used as a suspension connecting rod) or any part used for attaching | Suspension | ||||||||
| 393.45D-B | Air Brake - Audible air leak at a proper connection | Brakes All Others | ||||||||
| 393.45B2-B-AIR | Air Brake - Hose/tubing damaged or not secured | Brakes All Others | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.53B-B | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Brakes All Others | ||||||||
| 396.5B-L | Lubrication - Oil or grease leak | Other Vehicle Defect | ||||||||
| September 10, 2025 | 8457000100 | SALUDA VA | II | — | — | — | Truck Tractor Semi-trailer |
INTERNATIONAL LANDOLL CORPORATION |
2HSCEAER61C015048 1LH660UH3X1A10018 |
MD 978F67 MD 140660X |
| August 27, 2025 | 2432C00099 | COLLEGE PARK MD | III | — | — | NONE | Truck Tractor |
INTERNATIONAL |
2HSFBAER3WC062454 |
MD 699F99 |
| August 22, 2025 | 3269C00219 | PERRYVILLE MD | III | — | — | — | Truck Tractor Semi-trailer |
INTERNATIONAL TRANSCRAFT |
2HSFMAMR9XC027365 1TTF42202B1021103 |
MD 701F02 MD 02540GA |
| June 24, 2025 | 3258C00177 | ANNAPOLIS MD | III | 3 | — | — | Truck Tractor Semi-trailer |
INTERNATIONAL FONTAINE T |
2HSCEAPRX6C351533 4LFE5330553527516 |
MD 699F97 MD 391358X |
| 390.9-SLL | Violation of State Motor Carrier Laws or Regulations | |||||||||
| 392.2-SLLEWG2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on allowable gross weight | |||||||||
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
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 above. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
9 of 13 inspections
Unsafe Driving
3 of 21 inspections
Hours of Service
2 of 21 inspections
Driver Fitness
0 of 21 inspections
Controlled Substances
0 of 21 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 |
|---|---|---|---|---|---|
| October 23, 2025 | VA | — | — | Yes | No Adverse Conditions · Daylight · Dry |
| October 18, 2024 | NC | — | — | Yes | No Adverse Conditions · Daylight · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
MD16
VA4
CT1
PA1
TX1
Fleet & Equipment (24)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~9
of 15 reported to FMCSA
Trailers
~15
seen at inspection
Equipment types observed
Tractor
9
Flatbed
7
Semi-trailer
7
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 1999 International 9200 | Tractor · Class 8 | 2HSFMAMR9XC027365 | 4 | 1 |
| 2000 International 9100i | Tractor · Class 8 | 2HSCBAXR4YC020457 | 3 | — |
| 2001 International 9200i | Tractor · Class 8 | 2HSCEAER61C015048 | 3 | — |
| 1996 International 9200 | Tractor · Class 8 | 2HSFMALR1TC047069 | 3 | — |
| 2005 Fontaine Trailer Co. | Flatbed · 48 ft | 13N24830951528639 | 2 | — |
| 2011 Fontaine Trailer Co. | Flatbed · 55 ft | 13NE55301B3551826 | 2 | — |
| 2005 International 8600 | Tractor · Class 8 | 1HSHXSBR65J029565 | 2 | 1 |
| 2009 Kenworth T8 Series | Tractor · Class 8 | 1XKDD40X49J250217 | 2 | 2 |
| 2006 International L9227 | Tractor · Class 8 | 2HSCEAPRX6C351533 | 2 | — |
| 1998 International F-9370 | Tractor · Class 8 | 2HSFBAER3WC062454 | 2 | — |
Show all 24 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 1999 Fontaine Specialized Inc | Flatbed · 45 ft | 4LF4S4521X3507971 | 2 | 1 |
| Budd | Semi-trailer | 139886M | 1 | — |
| 1981 Great Dane Trailers | Flatbed · 84 ft | 1GRDM8427BM014401 | 1 | — |
| Frue | Semi-trailer | 1H2P04826SW057502 | 1 | — |
| Fruehauf | Semi-trailer | 1H4P0422XDF051463 | 1 | — |
| 1999 Landoll Corporation 660 | Flatbed · Class 8 | 1LH660UH3X1A10018 | 1 | — |
| 1981 Transcraft | Flatbed · 42 ft | 1TTF42202B1021103 | 1 | — |
| 1987 Transcraft | Flatbed · 43 ft | 1TTF43200H1029795 | 1 | — |
| Internatio | Tractor | 2HTFC0008VC032103 | 1 | — |
| Fona | Semi-trailer | 4LFE4520053527522 | 1 | — |
| Fontaine T | Semi-trailer | 4LFE5330553527516 | 1 | — |
| Font | Semi-trailer | 4LFE5330773529416 | 1 | 1 |
| Fona | — | 57JL34209N35A1125 | 1 | 1 |
| Tc13450 | Semi-trailer | TC13450 | 1 | 1 |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| June 3, 2019 | REINSTATED | Contract Carrier |
| May 28, 2019 | GRANTED | Contract Carrier |
| March 4, 2019 | INVOLUNTARY REVOCATION | Contract |
| March 6, 2009 | INVOLUNTARY REVOCATION | Contract |
| June 26, 2008 | INVOLUNTARY REVOCATION | Contract |
| March 7, 2008 | INVOLUNTARY REVOCATION | Contract |
| March 9, 2007 | INVOLUNTARY REVOCATION | Contract |
| March 8, 2006 | INVOLUNTARY REVOCATION | Contract |
| March 11, 2005 | INVOLUNTARY REVOCATION | Contract |
| July 1, 2004 | INVOLUNTARY REVOCATION | Contract |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| March 1, 2023 | BI&PD Primary/Excess | On file |
| April 25, 2019 | CONTRACT | On Record |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 13, 2026.
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