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Freight Carrier · Humboldt, IA

M S & SONS CORP

Name: M S & SONS CORP
Address: 1605 SASSY LANE, HUMBOLDT, IA, 50548, US
Telephone: (515) 332-3303

1605 SASSY LANE · Humboldt, IA 50548

AUTHORIZED FOR:

(515) 332-3303 Tap to call

MC #143871
USDOT #133751 USDOT Active

40
Power Units
42
Drivers
Carrier
Entity Type

About this carrier

M S & SONS CORP is a Humboldt, IA freight carrier that is authorized for: in the state of Iowa. This company has 40 truck(s) in their fleet and 42 truck drivers. Their motor carrier number is MC-143871 and their USDOT number is 133751.

Sourced from FMCSA SAFER · last filed 04/03/2026 · last updated Jun 26, 2026.

Carrier Details

Operating Status AUTHORIZED FOR:
MCS-150 Filed 04/03/2026
MCS-150 Mileage 2,427,838 (2024)

Authority & Operations

Operation Classification

Authorized for Hire

Carrier Operation

Interstate

Cargo Authorized

General Freight
Liquids/Gases
Grain, Feed, Hay
Commodities Dry Bulk

Operating Territory

Map of states where this carrier has roadside inspections

Inspection activity Inspected in 7 states over the past 24 months: IA (28), WI (2), SD (2), NE (1), MN (1), IL (1), KS (1). Home base: Humboldt, Iowa.

Safety Record

5 Severe Violations Updated Jul 18, 2026

Crashes (24 mo)

0
Fatal
0
Injury
2
Tow
2
Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 3.39 16 Crash Indicator Not Public — Hours of Service 0.17 1 Vehicle Maintenance 4.33 7 Drugs / Alcohol 0 0 Hazmat Not Public — Driver Fitness 0.01 1

Inspection Summary

36
Total
11
Clean
25
With violations

24-month window ending Jun 26, 2026

Violations Cited 21 unique codes

Critical 4

392.80(a)Driving a commercial motor vehicle while Texting1× SW 10
392.82DUMTDriver - Using a hand-held mobile telephone1× SW 10
393.75A3-TAOLTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS1× OOS×1 SW 8
393.51C-BLPWAir Brake - Low pressure warning device missing/inoperative1× OOS×1 SW 4

Unsafe Driving 4

392.16Failing to use seat belt while operating a CMV2× SW 7
392.2FCFollowing too close1× SW 5
392.2-INATDriver- Inattentive or Distracted Driving1× SW 5
392.2-SLLS2State/Local Laws - Speeding 6-10 miles per hour over the speed limit10× SW 4

Vehicle Maintenance 11

393.9TSInoperative turn signal1× SW 6
393.9TInoperable tail lamp1× SW 6
393.9(a)Inoperative Brake Lamps1× SW 6
393.9A-HLLHLighting - Headlamp(s) fail to operate on low and high beam1× SW 6
393.11A1-LBLLighting - Backup lamp missing1× SW 6
393.45B2-B-AIRAir Brake - Hose/tubing damaged or not secured1× SW 4
393.45(d)Brake connections with leaks or constrictions1× SW 4
393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 19981× SW 4
393.11A1-CSLRRConspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 19971× SW 3
393.95(a)No/discharged/unsecured fire extinguisher1× SW 2
393.78A-WSWashers - Inoperative washing system.1× SW 1

Hours of Service 1

395.8F01Drivers record of duty status not current1× SW 5

Driver Fitness 1

383.71HLicense (CDL) - CDL or CLP holder possesses a valid medical certificate but is not on file with the issuing state driver's licensing agency as required1× SW 1

Locations

Physical Address

M S & SONS CORP
1605 SASSY LANE
HUMBOLDT, IA 50548

Mailing Address

M S & SONS CORP
PO BOX 334
HUMBOLDT, IA 50548

Location on Map

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M S & SONS CORP

About this carrier

Carrier Details

Authority & Operations

Cargo Authorized

Operating Territory

Crashes (24 mo)

Behavior Categories (BASICs)

Inspection Summary

Violations Cited 21 unique codes

Critical 4

Unsafe Driving 4

Vehicle Maintenance 11

Hours of Service 1

Driver Fitness 1

Locations

Location on Map

Related Companies

Same phone number 1

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