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FMCSA Carrier Profile

COREY OIL LTD

DBA: Corey Oil

Oconomowoc, WI

CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized  ·  DOT 603882 · MC 920984
Satisfactory Active 11 yrs, 3 mo
39
Power Units
18
Drivers
18
Inspections
15%
Vehicle OOS
$1,000,000
Insurance

Broker Vetting Summary

Key signals from current FMCSA records

Authority
Active
MC-920984 · Common carrier
Insurance
On File
Federated Mutual Insurance Co.
Safety
Satisfactory
12.5% OOS · 18 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
  • Operating authority active for 11 yrs, 3 mo
  • Insurance on file: $1,000,000
  • FMCSA safety rating: Satisfactory
  • Vehicle out-of-service rate 15.4% — below the 20.7% national average
  • Driver out-of-service rate 0.0% — below the 5.5% national average
  • 18 FMCSA inspections on record

Authority & Compliance

Authority, insurance and required filings

Operating Authority

MC920984
Common Carrier
Active

Insurance on File

FEDERATED MUTUAL INSURANCE CO.
BI&PD · $1,000,000 · Policy 9062249
On File
FEDERATED MUTUAL INSURANCE CO.
Cargo · $0 · Policy 9062249
On File

Required Filings

Liability (BIPD)
$1,000,000
Cargo
On file

Company Information

Registration, contact and cargo details

FMCSA Registration

DOT Number
603882
MC Number
MC-920984
Safety Rating
Satisfactory
Entity Type
Corporation
Operation Classification
Authorized for hire
MCS-150 Filed
October 14, 2025
FMCSA Registration
June 5, 1995
Authority Granted
July 13, 2015
Annual Mileage
389,154 mi (2025)

Contact Information

Address
1212 W Second St, Oconomowoc, WI 53066
Owner / Officer
Corey Schweitzer
Officer 2
Elroy Schweitzer

Cargo Types

General FreightLiquids/GasesOther Cargo

Safety Snapshot

Out-of-service rates, violations and crashes

Safety & Inspection Summary

Total Inspections
18
Driver Inspections
5
Vehicle Inspections
15
Out-of-Service Violations
3

Violations by Category

Vehicle Maintenance11
Unsafe Driving7
Hours of Service0

OOS Rates vs. National Average

Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate15.4% · national avg 20.7%
✓ Below national average
12.5% of 16 inspections in the last 24 months put a driver or vehicle out of service — 32nd percentile among carriers with 10–24 inspections (lower is better). CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.

Inspection Trend by Year

2026
6 insp · 2 OOS
2025
8 insp · 0 OOS
2024
3 insp · 1 OOS

Violation Rate by Category

Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.

Vehicle Maintenance 6 of 13 inspections
Unsafe Driving 6 of 16 inspections
Hours of Service 0 of 16 inspections
Driver Fitness 0 of 16 inspections
Controlled Substances 0 of 16 inspections

Crash History (1)

Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
1
Crashes
0
Fatalities
4
Injuries
1
Tow-aways
DateStateFatalInjuredTowConditions
August 1, 2025 WI — 4 Yes No Adverse Conditions · Daylight · Dry

Fleet & Operating Areas

Observed roadside activity and equipment

Where This Carrier Operates

States where this carrier's roadside inspections were recorded
FewerMore
WI16
IL1

Fleet & Equipment (15)

Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Tractor-Trailer Power units Class 8 · trailers up to 45 ft
Power units
~13
of 39 reported to FMCSA
Trailers
~2
seen at inspection
Equipment types observed
Truck
6
Straight Truck
5
Tractor
2
Semi-trailer
1
Tank
1
Units on record
VehicleTypeVINInspectionsWith OOS
Western St Straight Truck 5KKXAM004LPLM8638 3 1
Western St Straight Truck 5KKXAM002GPGY0487 2 —
Western St Straight Truck 5KKXAM006HPJF6284 2 1
2012 Freightliner M2 Truck · Class 8 1FVHC5DV4CHBN3992 1 —
Heil Co. Semi-trailer 1HLA3A7F1P7H56892 1 —
2023 Kenworth T880 Truck · Class 8 1NKZL40X2PJ235215 1 —
2005 Peterbilt 378 Truck · Class 8 1NPFXBEX35D838717 1 —
2006 Sterling Truck A9500 series Tractor · Class 8 2FWJA3CV26AV34320 1 —
2022 Kenworth T3 Series Truck · Class 8 2NKHLJ9X8NM127152 1 —
2026 International HX620 Truck · Class 8 3HTPCAPT1TN361540 1 —
Show all 15 units
VehicleTypeVINInspectionsWith OOS
2025 International HX620 Truck · Class 8 3HTPCAPT8SN329943 1 —
2011 Heil Trailer International Tank · 45 ft 5HTAM4527B7H75589 1 —
Western St Straight Truck 5KKXAM005KPKD7316 1 1
Wstr Tractor 5KKXAM008LPLV1249 1 —
Western St Straight Truck 5KKXAM009LPLV1258 1 —
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.

Inspection Details

Each roadside inspection with its violations

Inspection Records (18)

DateReport #LocationLevelViolOOSShipperUnit TypeMakeVINLicense
May 20, 2026 2457001404 SAUK CITY WI II — — COREY OIL
Straight Truck
WESTERN ST
5KKXAM009LPLV1258
WI QB18249
April 28, 2026 9994000528 WAUKESHA WI II 4 1 COREY OIL
Straight Truck
WESTERN ST
5KKXAM004LPLM8638
WI 99905X
393.100B-C OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV Improper Load Securement
393.9A-LHLI Lighting - Headlamp(s) - Any inoperative Lighting
392.2-SLLTCD State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other Dangerous Driving
392.2WG State/Local Laws - Excessive Weight Violations
April 7, 2026 9993000584 WAUKESHA WI III 2 — COREY OIL
Straight Truck
WESTERN ST
5KKXAM004LPLM8638
WI 99905X
392.2WG State/Local Laws - Excessive Weight Violations
392.2-SLLTCD State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other Dangerous Driving
February 25, 2026 2408000251 PLEASANT PRAIRIE WI II 1 1 COREY OIL
Straight Truck
WESTERN ST
5KKXAM006HPJF6284
WI 62282X
393.75A3-TAOL OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS Tires
February 16, 2026 2228001566 LITTLE SUAMICO WI II — — INNOVATIVE FLUIDS LLC
Straight Truck
WESTERN ST
5KKXAM002GPGY0487
WI 99027X
January 13, 2026 2343007808 WINDSOR WI II 1 — —
Straight Truck
INTERNATIONAL
3HTPCAPT1TN361540
WI QB20000
172.200A-HMSPS HM (Shipping Papers) - Shipper failed to offer properly prepared shipping document(s) Documentation - HM
October 23, 2025 2315000784 OAK CREEK WI II 3 — SELF
Straight Truck
INTERNATIONAL
3HTPCAPT8SN329943
WI 92534Z
392.2-SLLTCD State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other Dangerous Driving
392.2-SLLIFTA State/Local Laws - State tax/International Fuel Tax (IFTA) violation
393.9A-LIL Lighting - Identification lamp(s) inoperative Clearance Identification Lamps/Other
September 3, 2025 9994000298 WAUKESHA WI II 1 — —
Straight Truck
PETERBILT
1NPFXBEX35D838717
WI NB4221
393.78A-WS Washers - Inoperative washing system. Windshield/ Glass/ Markings
September 3, 2025 2280016375 TOWN OF SCOTT WI II 2 — COREY OIL
Straight Truck
WESTERN ST
5KKXAM006HPJF6284
WI 62282X
393.9B-LSLO Lighting - Stop lamps - Any obscured Lighting
393.9B-LTSONR Lighting - Turn signal - Any obscured not on the rearmost vehicle. Lighting
August 4, 2025 2625002333 PEWAUKEE WI I 3 — COREY OIL
Truck Tractor
Semi-trailer
STERLING TRUCK
HEIL CO.,
2FWJA3CV26AV34320
1HLA3A7F1P7H56892
WI 70722Z
WI 684406
393.11A1-CSLRR Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 Reflective Sheeting
393.11A1-CSURR Conspicuity Systems - Truck tractor, upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 Reflective Sheeting
393.95A4-EEUS Emergency Equipment - Fire Extinguishers - unsecured Emergency Equipment

Shippers Seen at Inspections

Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.

ShipperInspectionsMost recent
INNOVATIVE FLUIDS LLC 1 February 16, 2026

History & Filings

Authority, insurance and process-agent records

Authority History

DateStatusType
July 13, 2015GRANTEDCommon Carrier

Insurance & Revocation Filings

DateTypeStatus
June 5, 2015CargoOn file
June 5, 2015BI&PD Primary/ExcessOn file

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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 11, 2026. Verify directly on FMCSA SAFER Web.

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