Amrize Southwest Inc is an active interstate carrier based in Dundee, MI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 75 | 0 | 0 |
| Total Power Units | 75 | ||
Distinct vehicles · 24 mo
vs 75 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 32% | 91% | Better than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 5 | — | 22.26% |
| Hazmat | 5 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 4 | 1 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 9 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 8, 2026 | NV | TRUCK TRACTOR | 1 | 1 |
| Jul 14, 2026 | NV | TRUCK TRACTOR | 0 | 0 |
| Jul 11, 2026 | NV | STRAIGHT TRUCK | 0 | 0 |
| Jun 19, 2026 | NV | TRUCK TRACTOR | 1 | 1 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 11
Amrize Great Lakes Inc
Dundee, MI
Ryan Duffy · also at 11 others
Amrize Midwest Inc
Moorhead, MN
Ryan Duffy · also at 11 others
Amrize Northeast Inc
Middleton, MA
Ryan Duffy · also at 11 others
Amrize South Central Inc
Dundee, MI
Ryan Duffy · also at 11 others
Amrize West Central Inc
Dundee, MI
Ryan Duffy · also at 11 others
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 5 | 4.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state NV accounts for 96% of activity. Activity outside home state (MI): 100%.
| 5 |
| 6 |
| Hazardous Materials Compliance | 2 | 0 | 0 |
| Mar 24, 2026 |
| NV |
| STRAIGHT TRUCK |
| 2 |
| 1 |
| Mar 18, 2026 | NV | TRUCK TRACTOR | 2 | 1 |
| Mar 6, 2026 | NV | STRAIGHT TRUCK | 0 | 0 |
| Dec 31, 2025 | NV | STRAIGHT TRUCK | 0 | 0 |
| Dec 12, 2025 | NV | TRUCK TRACTOR | 0 | 0 |
| Dec 5, 2025 | NV | STRAIGHT TRUCK | 3 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 8, 2026 | 39375A1TEPBM | Tires - All others - Exposed ply or belt material in tread or sidewall area | Vehicle Maintenance | Yes |
| Jun 19, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Mar 24, 2026 | 3963A1F | Fuel - Dripping leak. | Vehicle Maintenance | Yes |
| Mar 24, 2026 | 3973SLL | State/Local Laws - Driving/parking a CMV containing hazardous materials in violation of local regulations/laws/ordinances in the jurisdiction being operated | Hazardous Materials Compliance | — |
| Mar 18, 2026 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Mar 18, 2026 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Dec 5, 2025 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Dec 5, 2025 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Dec 5, 2025 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |
| Aug 25, 2025 | 172328DHMM | HM (Markings) - Failing to mark a manual remote shut-off device as required | Hazardous Materials Compliance | — |
Duffy Bros Inc
Columbus, WI
Ryan Duffy · also at 11 others
+1 more