MS & SONS CORP
USDOT 133751
Active, interstate carrier, mid-size fleet (40 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Insurance on fileStarstone Specialty Insurance Company
- Out-of-service rate5.6% vs 19.1% national avg
- Crashes (24 months)2 reported — involvement does not imply fault
- Authority ageGranted 41 years ago
- Linked registrations1 share this carrier's phone or address
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 133751 |
|---|---|
| MC Number | MC-143871 |
| Legal Name | MS & SONS CORP |
| DBA Name | — |
| Entity Type | CORPORATION |
| Phone | 5153323303 |
| Address | 1605 SASSY LANE, Humboldt, IA, 50548 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20250414) |
| Hazmat Flag | true |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Filings
Insurance
| Current Insurer | Starstone Specialty Insurance Company |
|---|---|
| Coverage on File | $2,000,000 |
| Insurance on File Since | 2025-09-01 |
| Insurer | Coverage | Form | Effective | Cancelled |
|---|---|---|---|---|
| Starstone Specialty Insurance Company | $2,000,000 | BMC-91X | 2025-09-01 | — |
| Great West Casualty Company | $1,000,000 | BMC-91X | 2021-08-06 | — |
| Crum & Forster | $2,000,000 | BMC-91X | 2020-10-01 | — |
Timeline
Authority history
| Authority First Granted | 1985-07-08 Established authority |
|---|---|
| Authority Events on Record | 1 |
- 1985-07-08 — Granted — Motor Carrier of Property (Except Household Goods) Active GRANTED
Our scoring
Safety scores
| Unsafe Driving | 89 / 100 |
|---|---|
| Hours-of-Service Compliance | 83 / 100 |
| Driver Fitness | 85 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 76 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 36 |
|---|---|
| Out-of-Service Rate | 5.6% vs 19.1% national average |
| Crashes | 2 total (0 fatal, 0 with injuries, 2 towaway) |
- 2026-01-03 — WI — towaway
- 2025-09-26 — IA — towaway
- 2024-04-09 — TX — towaway
- 2023-11-21 — IA — 1 injured, towaway
Most frequent violation categories: 12 (14), 16 (6), 20 (6).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Signals
Linked registrations
1 other active carrier registration share this carrier's phone or address in FMCSA records.
Shared contact details can have many ordinary explanations, such as a shared dispatch service, registration agent, or office address.
Equipment
Fleet & operations
| Power Units (trucks) | 40 |
|---|---|
| Drivers | 42 |
| Recent Annual Mileage | 2,425,578 |
| Last MCS-150 Filing | 03-APR-26 |
MS & SONS CORP operates 40 power units — a larger fleet than 99% of carriers registered in IA.
Nearby
Other carriers in Humboldt, IA
- K C NIELSEN LTD — USDOT 229921, 15 power units
- JOHN'S AG SERVICE INC — USDOT 471863, 13 power units
- CORN BELT POWER COOPERATIVE — USDOT 252795, 10 power units
- HLT LIMITED — USDOT 445539, 10 power units
- FARMERS COOP ASSOCIATION — USDOT 464860, 10 power units
Browse all carriers in Humboldt, IA or all IA carriers.