Carrier Search
Sign inSign up
Carrier profile · USDOT 1245850 · Data as of Oct 7, 2026

Sean Michael Buback

DBA Capital Stoneworks LLC · Bridgeport, MI · Intrastate (Non-Hazmat) carrier · Since 2004
No MC authorityNot rated by FMCSANo hazmat
Cargo carriedGeneral FreightBuilding MaterialsMachinery, Large ObjectsPassengersConstruction
View on FMCSA SAFERCall (989) 777-9132
3
Power units
2
Drivers
4
Inspections · 24 mo
0
Crashes · 24 mo
99K
Annual miles
22 yr
Registered
79
/ 100
Review before loading

3 flags to check before loading

Driver OOS well above average: 25.0% of driver inspections placed out of service vs 6.67% national. Vehicle OOS above average: 33.3% of vehicle inspections placed out of service vs 22.26% national.

How we scored it · 5 factors
Operating authority20/20
Insurance20/20
Out-of-service rates4/20
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
33.3%▲ above avg
National 22.26% · 1 of 3 inspections
Driver out-of-service
25.0%▲ above avg
National 6.67% · 1 of 4 inspections
Crashes
0
0 fatal0 injury0 tow-away
Crash rate 0.00 per 1M mi
Total inspections
4
Driver inspections
4
Vehicle inspections
3
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.

Create an accountSign in

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
3
Power units
3
Trucks
1
Tractors owned
1
Trailers owned
2
Drivers
1
CDL drivers
Not registered for hazardous materials.

Operations & cargo

FMCSA CENSUS
Intrastate (Non-Hazmat)Private Property
Cargo carried
General FreightBuilding MaterialsMachinery, Large ObjectsPassengersConstruction
Annual mileage
99,250 mi (2024)

Identity & federal record

FMCSA census · MCS-150
USDOT
1245850
MC / docket
None
Legal name
Sean Michael Buback
DBA
Capital Stoneworks LLC
Entity type
Carrier
Operation
Intrastate (Non-Hazmat)
First registered
May 10, 2004
Last MCS-150
Oct 28, 2024
Safety rating
Not rated
Drivers (CDL)
2 (1)
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 Sean Michael Buback's USDOT number?

Sean Michael Buback's USDOT number is 1245850.

Is Sean Michael Buback authorized to operate?

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

What is Sean Michael Buback's safety record?

Over the last 24 months: 4 roadside inspections, a 33.3% vehicle and 25.0% driver out-of-service rate, and 0 reportable crashes (0 fatal). Not rated by FMCSA.

How big is Sean Michael Buback's fleet?

3 power units and 2 drivers per its MCS-150 filed Oct 28, 2024.

Where is Sean Michael Buback located?

Sean Michael Buback is located at 6128 Dixie Hwy, Bridgeport, MI, 48722. Phone: (989) 777-9132.

Similar carriers in Michigan

All Michigan carriers →
Putts Tree Farm LLC
Jackson, MI · 3 power units
Carrier
Samano Services, LLC
Detroit, MI · 3 power units
Carrier
Warner Farms
Shelbyville, MI · 3 power units
Carrier
Bears Specialized Transport LLC
Detroit, MI · 3 power units
Carrier
Freedom Land and Snow Services LLC
Ann Arbor, MI · 3 power units
Carrier
Saa LLC
Sterling Heights, MI · 3 power units
Carrier
Trucking companies in BridgeportFreight brokers in Michigan

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.