ST
STONE TRANSPORT LIMITED PARTNERSHIP
CarrierIntel Score: 55/100. 376 inspection violations in the past 12 months. Updated Oct 2026.
DOT 300960MC 170956ActiveMotor CarrierInterstateZURICH AMERICAN INSURANCE COMPANY · $1,000,000 · 1 policySAGINAW, MI
COMPANY
Authority since
2007-03-02
MCS-150
2026-10-02 · 169,500,000 mi (2025)
Fleet
288 units · 489 trailers · 252 drivers
Annual mileage (VMT)
16,514,234 mi (2025)
ADDRESS
Physical
3495 HACK ROAD
SAGINAW, MI 48601
SAGINAW, MI 48601
Mailing
Same as physical
CONTACT
Phone
9897544788
Email
swiegers@stonetransport.com
OFFICERS
Primary Officer
DEAN DARBY
Title
OWNER
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
Auto Transport
Cargo types
16
General FreightMetal: Sheets, Coils, RollsMotor VehiclesLogs, Poles, Beams, LumberBuilding MaterialsMachinery, Large ObjectsFresh ProduceLiquids / GasesOilfield EquipmentCoal / CokeGarbage, Refuse, TrashChemicalsCommodities Dry BulkPaper ProductsConstructionOther: STEEL AGGREGATE
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
513 mo
Active authority
INSURANCE
1 active
ZURICH AMERICAN INSURANCE COMPANY
RISK GRADE
Elevated Risk
5 risk factors · 2 strengths
OOS RATE
27.0%
192 / 712 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
55
out of 100
Fair
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Elevated Risk
5 risk factors · 2 strengths · 7 data pointsSAFETY PERFORMANCE
Crash Record
351 crashes · 15 fatal · 149 with injuries · 301 tow-away
Clean Inspection Rate
73% — 520 clean of 712 inspections
Out-of-Service Rate
27.0% — driver OOS 9 insp., vehicle OOS 185 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
15 historical event(s) on file
MCS-150 Filing
Last filed 2026-10-02
INSURANCE
Active Coverage
1 policy(ies) on file · total max coverage $1,000,000
SUMMARY
15 fatal crashes — most recent 2 yr ago
High OOS rate 27% (last 24 mo)
5.4 crashes per 100 trucks/yr
10 injury crashes in the last 24 months
1.8 violations per inspection
Active insurance on file
Coverage $1.0M
Other motor carriers in Saginaw, MI
- Scott Tires Inc · DOT 295037 · Saginaw, MI
- Kerry Transport Inc · DOT 277756 · Saginaw, MI
- Mike's Wrecker Service Inc · DOT 248314 · Saginaw, MI
- Campbell Trucking Company · DOT 234014 · Saginaw, MI
- Galen E Wilson Petroleum Co · DOT 401269 · Saginaw, MI
- Paxson Oil Co · DOT 404313 · Saginaw, MI
- Super-flite Oil Company Inc · DOT 404317 · Saginaw, MI
- Saginaw Control & Engineering Inc · DOT 184242 · Saginaw, MI
- Saginaw Medical Service Inc · DOT 430538 · Saginaw, MI
- Rice Oil Co Inc · DOT 133247 · Saginaw, MI
- Merrill Technologies Group · DOT 477752 · Saginaw, MI
- Sargent Trucking Inc · DOT 487049 · Saginaw, MI
More carriers in Michigan
- Williams Distributing Co · DOT 300085 · Grand Rapids, MI
- Alro Steel Corporation · DOT 300210 · Jackson, MI
- Bogedain Brothers · DOT 300234 · Maybee, MI
- Contract Dewatering Services Inc · DOT 300238 · Saranac, MI
- Gus Matonek Inc · DOT 300906 · Bay City, MI
- David L Ribich · DOT 300930 · Wakefield, MI
- Al-par Peat Company Inc · DOT 300982 · Elsie, MI
- Andy Mast Greenhouses Inc · DOT 300984 · Grand Rapids, MI
- Miller's American Rental Inc · DOT 301375 · Lansing, MI
- General Hardwood Company · DOT 301416 · Detroit, MI
- Phil Gernaat & Sons Inc · DOT 301424 · Kalamazoo, MI
- A & L Iron And Metal Inc · DOT 301509 · Gaylord, MI