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Carrier profile · USDOT 2378718 · Data as of Oct 7, 2026

Robert Thomas Siemonsma

Garretson, SD · Interstate carrier · Since 2013
No MC authorityNot rated by FMCSANo hazmat
Cargo carriedMachinery, Large ObjectsLivestockGrain, Feed, HayAgricultural/Farm Supplies
View on FMCSA SAFERCall (605) 359-0228
1
Power units
2
Drivers
0
Inspections · 24 mo
0
Crashes · 24 mo
10K
Annual miles
13 yr
Registered
100
/ 100
Clear to load

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No roadside inspections in 24 months: Too little history to judge on-road safety.

How we scored it · 5 factors
Operating authority20/20
Insurance20/20
Out-of-service rates20/20
Crashes & rating20/20
Continuity & identity20/20

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

No roadside inspections or reportable crashes in the last 24 months, and not rated by FMCSA.

Enforcement

FMCSA closed cases

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

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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
1
Power units
1
Trucks
1
Tractors owned
1
Trailers owned
2
Drivers
0
CDL drivers
Not registered for hazardous materials.

Operations & cargo

FMCSA CENSUS
InterstatePrivate Property
Cargo carried
Machinery, Large ObjectsLivestockGrain, Feed, HayAgricultural/Farm Supplies
Annual mileage
10,000 mi (2025)

Identity & federal record

FMCSA census · MCS-150
USDOT
2378718
MC / docket
None
Legal name
Robert Thomas Siemonsma
DBA
—
Entity type
Carrier
Operation
Interstate
First registered
Feb 14, 2013
Last MCS-150
Apr 8, 2026
Safety rating
Not rated
Drivers (CDL)
2 (0)
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.
Shared email address
Same email address as 1 other active USDOT.
Unique street address
Not shared with any other active USDOT.
Sharing this email address

Shared contact details can mean affiliated companies or a registration service, but they are also a common sign of chameleon carriers and identity theft. Confirm you're dealing with the company you expect.

Frequently asked

What is Robert Thomas Siemonsma's USDOT number?

Robert Thomas Siemonsma's USDOT number is 2378718.

Is Robert Thomas Siemonsma authorized to operate?

It does not hold MC operating authority, which private and intrastate carriers do not need.

What is Robert Thomas Siemonsma's safety record?

No roadside inspections or reportable crashes in the last 24 months. Not rated by FMCSA.

How big is Robert Thomas Siemonsma's fleet?

1 power unit and 2 drivers per its MCS-150 filed Apr 8, 2026.

Where is Robert Thomas Siemonsma located?

Robert Thomas Siemonsma is located at 25230 478TH Ave, Garretson, SD, 57030. Phone: (605) 359-0228.

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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.