Tri-Gas & Oil Company Inc

Active

DBA: Pepup

USDOT 7750InterstatePRIVATE PROPERTY;AUTHORIZED FOR HIREOperating since Jun 1974Updated Aug 10, 2026

Call Message

Standard safety record

Tri-Gas & Oil Company Inc is an active interstate carrier based in Federalsburg, MD.

Not Rated

No FMCSA Compliance Review on file. on Jul 1, 1993

4.5%

OOS Rate · below 21% national

BASIC Alerts · of 5 categories

Crashes · last 24 months

0Power Units205 drivers

0Total Drivers199 CDL

0Inspectionslast 24 months

0Violations0.3 per inspection

0%OOS Ratevs 21% national avg

0Crasheslast 24 months

Company Details

Phone: (410) 754-8184
Email: jdean@trigas-oil.com
Address: 3941 Federalsburg Highway
Federalsburg, MD 21632
Officers: L. Nash Mcmahan, Keith Mcmahan· Corporation

Operation: Interstate
Classification: Private Property;Authorized For Hire
Cargo: Dry Bulk, General Freight, Liquids/Gases
Hazmat: Yes
Drivers: 205(199 CDL)
Mileage: 2207780 mi (2025)
MCS-150 Updated: Mar 17, 2026
Safety Rating: S(Jul 1, 1993)
Last Review: Jun 4, 1993(Compliance Review)

Insurance

No insurance filings on record.

View on FMCSA L&I

Carrier Profile

Annual mileage: 2,207,780 mi(2025)
Fleet: 162 power units· 26 trailers · 51 trucks
Drivers: 205 drivers(199 CDL · 205 interstate)

Mailing address: P O Box 465
Federaslburg, MD 21632
D&B number: 22587976
Fax: 4107549158

Fleet Details

Vehicle Type	Owned	Term Leased	Trip Leased
Straight Trucks	51	0	0
Tractors	0	2	0
Trailers	26	0	0
Total Power Units	162

Equipment Observed

Last seen Feb 18, 2026

Distinct vehicles · 24 mo

vs 162 self-reported (MCS-150)

Top makes

PETERBILT14
VOLVO7
PTRB4

Registered in

DE22
MD16

BASIC Analysis

Higher values = more violations. 0 = clean record.

Category	Insp w/ Viol

How this carrier compares

Cohort: MD · All carriers

Category	vs. Cohort	vs. State	Reading
Unsafe Driving	34%	87%	Around peer average
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	31%	73%	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.

FMCSA Registry Timeline

First registered: Jun 1974· 52 years ago
Last MCS-150 self-update: Mar 2026· 6 months ago
Safety rating issued: S· Jul 1993
Authority status: Active

Inspections (24 months)

Last inspection: Feb 18, 2026 · 7 months ago

Type	Inspections	OOS	OOS %	Nat'l Avg
Driver	0	0	—	6.67%
Vehicle	0	2	—	22.26%
Hazmat	34	0	0.00%

Accident Reports (24 months)

Period	Injuries	Tow-away	Total
Jul 1, 2025	1	0	1
Apr 1, 2025	0	1	1
Jan 1, 2025	4	1	1

Violation Details

Most-cited violation codes

39395FEmergency Equipment - Stopped vehicle warning devices missing or improper2x
3922SLLS3State/Local Laws - Speeding 11-14 miles per hour over the speed limit1x
39341No or defective parking brake system on CMV1x
39341BNPBBrake - Inoperative or missing parking brake on power unit1x
3922CFailure to obey traffic control device1x

BASIC Category	Total	Severe	OOS
Vehicle Maintenance	9	0	4

Recent activity · last 10 inspections, 10 violationsShow details

Recent Inspections

Date	State	Vehicle	Violations	OOS
Feb 18, 2026	DE	STRAIGHT TRUCK	0	0
Feb 11, 2026	MD	STRAIGHT TRUCK	0	0
Jan 8, 2026	DE	STRAIGHT TRUCK	0	0
Jan 8, 2026	DE	STRAIGHT TRUCK	0	0
Jan 6, 2026	MD

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Associated Entities

Carriers that share an officer, phone, or email with this DOT.

Shared officer · 8

Tri-Trucking Llc

Federalsburg, MD

L. Nash Mcmahan

Arctic Glacier Minnesota Inc

West Saint Paul, MN

Keith Mcmahan · also at 7 others

Comfort Plus Services Llc

Federalsburg, MD

Keith Mcmahan · also at 7 others

M & L Truck Service Llc

Federalsburg, MD

Keith Mcmahan · also at 7 others

M & L Truck Service Llc

Federalsburg, MD

Keith Mcmahan · also at 7 others

Try DataTruck — AI-Native TMS

Recent Violations

Date	Code	Description	BASIC	OOS
Nov 6, 2025	177817E2HMHC	HM (Highway Carriage) - Failing to have HM shipping papers readily accessible.	Hazardous Materials Compliance	—
Nov 5, 2025	3963A1BNMH	Brake - Non-manufactured hole or crack in the spring brake housing section of a parking brake	Vehicle Maintenance	Yes
Apr 9, 2025	39341BNPB	Brake - Inoperative or missing parking brake on power unit	Vehicle Maintenance	Yes
Jan 23, 2025	3922SLLS3	State/Local Laws - Speeding 11-14 miles per hour over the speed limit	Unsafe Driving	—
Nov 25, 2024	39395F	Emergency Equipment - Stopped vehicle warning devices missing or improper	Vehicle Maintenance	—
Nov 25, 2024	39617CPI	Operating a CMV without documentation of a periodic inspection	Vehicle Maintenance	—
Apr 10, 2024	39347E	Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt	Vehicle Maintenance	—
Apr 10, 2024	39353B	CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear	Vehicle Maintenance	—
Apr 10, 2024	3963A1BOS	BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination	Vehicle Maintenance	Yes
Apr 8, 2024	3922C	Failure to obey traffic control device	Unsafe Driving	—

Unsafe Driving	1	0.04	—
HOS Compliance	0	0.00	—
Vehicle Maintenance	3	0.23	—
Driver Fitness	0	0.00	—
Controlled Substances	0	0.00	—