Washington Winnelson Co — compliance record
The full vetting file: federal registrations, authority history, insurance, inspections, record changes, and recent coverage — the checks a broker or shipper runs, in one place.
Vetting summary
Inspections
10 on file
Out-of-service
Within normal range vs national averages
Email identity
Company domain, matches website
Federal identity
Registration snapshot
Legal name
Washington Winnelson Co
DBA
—
Entity type
Carrier
Physical address
3333 Pennsy Dr, Landover, MD 20785
Phone
(301) 386-7771
Power units
5
Drivers
5
First on record
—
Last MCS-150 filing
—
Hazmat flag
No
Operating authority
Dockets & filings
No L&I dockets on file for this DOT number.
Out-of-service rates
Driver OOS
10.0%
National average ≈ 5.9% · 10 inspections on record
Vehicle OOS
10.0%
National average ≈ 20.9% · 10 inspections on record
Email & web forensics
On-file email
amkolb@winsupplyinc.com — company domain
Domain age
winsupplyinc.com registered 2002-07-01 (24 years)
Mail host
Enterprise (Proofpoint)
Domain match
Email domain matches the company website
From the FMCSA on-file contact, public domain registration (RDAP), and live DNS.
Crash record — last 24 months
0
Reportable crashes
0
Tow-aways
0
With injuries
0
With fatalities
Most recent: MD 07/2013 · VA 10/2009 — from the federal crash file; recordable crashes regardless of fault.
Safety record
Inspection history
| Date | State | Level |
|---|---|---|
| Oct 6, 2025 | MD | Level I — Full |
| Sep 29, 2025 | MD | Level II — Walk-around |
| Sep 9, 2025 | MD | Level III — Driver-only |
| May 7, 2025 | DC | Level I — Full |
| Mar 10, 2025 | MD | Level I — Full |
| Dec 13, 2024 | MD | Level I — Full |
| Nov 21, 2024 | MD | Level I — Full |
| May 29, 2024 | DC | Level III — Driver-only |
| Apr 18, 2024 | MD | Level II — Walk-around |
| Feb 27, 2024 | MD | Level II — Walk-around |
Most recent 10 of 10 inspections on file.
Activity log
Record changes
TenFourHQ re-syncs the federal record daily and logs every field that changes — address moves, fleet-size jumps, authority flips. Sudden changes are a classic fraud tell.
No changes recorded since TenFourHQ began tracking this company.
In the news
Recent coverage
No recent news coverage found for "Washington Winnelson Co" — for most small carriers, no news is good news.
Via Google News — headlines may include similarly-named companies; verify before acting.
Vetting toolkit
Verify it yourself
FMCSA SAFER snapshot ↗
The official company snapshot, straight from FMCSA.
FMCSA SMS safety profile ↗
Safety Measurement System — BASIC scores and crash history.
L&I authority record ↗
Licensing & Insurance: authority, insurance, and BOC-3 on file.
Search court records ↗
Quick sweep for litigation and judgments.