Grysson Oil Company Inc

Active

DBA: Harney Oil

USDOT 227892Intrastate HazmatPRIVATE PROPERTY;AUTHORIZED FOR HIREOperating since Jan 1983MCS-150 last updated 13 yrs agoUpdated Apr 21, 2026

Call

Above-average violations

Grysson Oil Company Inc is an active intrastate hazmat carrier based in Coralville, IA.

Not Rated

No FMCSA Compliance Review on file.

50.0%

OOS Rate · above 21% national

BASIC Alerts · of 5 categories

Crashes · last 24 months

0Power Units4 drivers

0Total Drivers4 CDL

0Inspectionslast 24 months

0Violations1.5 per inspection

0%OOS Ratevs 21% national avg

0Crasheslast 24 months

Company Details

Phone: (319) 351-1240
Email: —
Address: 806-10 1st Ave
Coralville, IA 52241
Officers: John Gilroy· Corporation

Operation: Intrastate Hazmat
Classification: Private Property;Authorized For Hire
Cargo: Liquids/Gases
Hazmat: Yes
Drivers: 4(4 CDL)
Mileage: 4 mi (2012)
MCS-150 Updated: Feb 22, 2013
Safety Rating: None
Dockets: MC-171942Active

Insurance

No insurance filings on record.

View on FMCSA L&I

Carrier Profile

Annual mileage: 4 mi(2012)
Fleet: 3 power units· 2 tractors · 2 trucks
Drivers: 4 drivers(4 CDL · 4 intrastate)

Mailing address: Po Box 5468
Coralville, IA 52241-0468

Fleet Details

Vehicle Type	Owned	Term Leased	Trip Leased
Straight Trucks	2	0	0
Tractors	2	0	0
Total Power Units	3

Equipment Observed

Last seen May 13, 2025

Distinct vehicles · 24 mo

vs 3 self-reported (MCS-150)

Top makes

FRHT2

Registered in

BASIC Analysis

Higher values = more violations. 0 = clean record.

Category	Insp w/ Viol

How this carrier compares

Cohort: IA · All carriers

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	88%	88%	Worse than most peers

Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.

FMCSA Registry Timeline

First registered: Jan 1983· 43 years ago
Last MCS-150 self-update: Feb 2013· 13 years agoStale
Authority status: Active

Inspections (24 months)

Last inspection: May 13, 2025 · 15 months ago

Type	Inspections	OOS	OOS %	Nat'l Avg
Driver	0	0	—	6.67%
Vehicle	0	1	—	22.26%
Hazmat	1	0	0.00%	4.44%

Where they run

Inspected in 1 state. Top state IA accounts for 100% of activity. Activity outside home state (IA): 0%.

Accident Reports (24 months)

Period	Fatalities	Injuries	Tow-away	Total
Apr 1, 2025	0	1	1	1

Violation Details

Most-cited violation codes

39311TTTruck-Tractor with No retroreflective sheeting or reflex reflective material on vehicle manufactured after July 19971x
39345B2Brake hose or tubing chafing and/or kinking1x
3939Inoperable Required Lamp1x

BASIC Category	Total	Severe	OOS
Vehicle Maintenance	3	0	1

Recent activity · last 3 inspections, 3 violationsShow details

Recent Inspections

Date	State	Vehicle	Violations	OOS
May 13, 2025	IA	TRUCK TRACTOR	1	0
Nov 7, 2024	IA	TRUCK TRACTOR	2	1
Jul 30, 2024	IA	TRUCK TRACTOR	0	0

Recent Violations

Date

Similar Carriers Nearby

Abbas Togan

No alerts

Coralville, IA · 2 units

Abe Transportation Llc

No alerts

Coralville, IA · 1 units

Ad Llc

No alerts

Coralville, IA · 1 units

Almanzar Trucking Llc

No alerts

Coralville, IA · 1 units

Andrea W Transportation Llc

No alerts

Coralville, IA · 1 units

Try DataTruck — AI-Native TMS

Unsafe Driving	0	0.00	—
HOS Compliance	0	0.00	—
Vehicle Maintenance	2	4.33	—
Driver Fitness	0	0.00	—
Controlled Substances	0	0.00	—

May 13, 2025	3939	Inoperable Required Lamp	Vehicle Maintenance	—
Nov 7, 2024	39311TT	Truck-Tractor with No retroreflective sheeting or reflex reflective material on vehicle manufactured after July 1997	Vehicle Maintenance	—
Nov 7, 2024	39345B2	Brake hose or tubing chafing and/or kinking	Vehicle Maintenance	Yes