Carrier profile · USDOT 3456500 · Data as of Oct 7, 2026

Iron Stone LLC

DBA Iron Stone Trucking · Uppr Marlboro, MD · Interstate for-hire carrier · Since 2020
No authority on fileNot rated by FMCSANo hazmat
Cargo carriedGeneral FreightBuilding MaterialsUtilitiesConstructionOther
5
Power units
5
Drivers
6
Inspections · 24 mo
0
Crashes · 24 mo
65K
Annual miles
6 yr
Registered
85
/ 100
Clear to load

2 flags to check before loading

Marked for-hire but no carrier authority on file: Also registered as a private carrier; it may only haul its own goods. MCS-150 not updated in over 2 years: FMCSA requires a biennial update.

How we scored it · 5 factors
Operating authority10/20
Insurance20/20
Out-of-service rates20/20
Crashes & rating20/20
Continuity & identity15/20

Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.

Safety

FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026
Vehicle out-of-service
0.0%▼ below avg
National 22.26% · 0 of 6 inspections
Driver out-of-service
0.0%▼ below avg
National 6.67% · 0 of 6 inspections
Crashes
0
0 fatal0 injury0 tow-away
Crash rate 0.00 per 1M mi
Total inspections
6
Driver inspections
6
Vehicle inspections
6
People injured
0
Fatalities
0
FMCSA rating
Not rated

Enforcement

FMCSA closed cases

Closed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.

Authority & insurance

FMCSA L&I · AS OF OCT 7, 2026

No operating authority (MC/FF docket) on file. Private and intrastate carriers don't need one; interstate for-hire carriers and brokers do.

Equipment

SELF-REPORTED ON MCS-150
5
Power units
5
Trucks
1
Tractors owned
—
Trailers owned
5
Drivers
4
CDL drivers
Not registered for hazardous materials.

Operations & cargo

FMCSA CENSUS
InterstatePrivate PropertyAuthorized for Hire
Cargo carried
General FreightBuilding MaterialsUtilitiesConstructionOther
Annual mileage
65,000 mi (2024)

Identity & federal record

FMCSA census · MCS-150
USDOT
3456500
MC / docket
None
Legal name
Iron Stone LLC
DBA
Iron Stone Trucking
Entity type
Carrier
Operation
Interstate
First registered
Jul 20, 2020
Last MCS-150
Aug 16, 2024
Safety rating
Not rated
Drivers (CDL)
5 (4)
Hazmat
No
Business type
—

Fraud & network signals

For review, not a verdict.

No prior revocation
FMCSA shows no link to a previously revoked authority.
Unique phone number
Not shared with any other active USDOT.
Unique email address
Not shared with any other active USDOT.
Unique street address
Not shared with any other active USDOT.

Frequently asked

What is Iron Stone LLC's USDOT number?

Iron Stone LLC's USDOT number is 3456500.

Is Iron Stone LLC authorized to operate?

FMCSA does not show active operating authority on file. Verify on FMCSA SAFER before tendering freight.

What is Iron Stone LLC's safety record?

Over the last 24 months: 6 roadside inspections, a 0.0% vehicle and 0.0% driver out-of-service rate, and 0 reportable crashes (0 fatal). Not rated by FMCSA.

How big is Iron Stone LLC's fleet?

5 power units and 5 drivers per its MCS-150 filed Aug 16, 2024.

Where is Iron Stone LLC located?

Iron Stone LLC is located at 15039 Marlboro Pike, Uppr Marlboro, MD, 20772. Phone: (301) 798-7970.

Similar carriers in Maryland

All Maryland carriers →

Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.