HCKM LLC

DBA: GERLOCK TOWING

DOT# 936545 MC# 403455CARRIER

ACTIVE

Trust Score

77 / 100

C Fair

Components

Compliance · 40% 100

Safety · 35% 45

Insurance · 25% 85

Vehicle OOS rate is 3.3× the national average Driver OOS rate is 4.8× the national average No active cargo insurance on file

Confidence: high · based on FMCSA safety, insurance & authority data How is this calculated?

Overview

Address

7821 NE 33RD DR

PORTLAND, OR 97211

View on Google Maps ↗

Contact

Phone: (503) 235-0542

Fax: (503) 331-7588

Email: donny@gerlocktowing.com

Company Officers

DONNY CALLAHAN

DAWN CALLAHAN

Business Info

Organization: CORPORATION

HazMat: HazMat Carrier

Fleet

Power Units

Drivers

Equipment Breakdown

Owned Trucks10

Owned Tractors9

Authority

Status: ACTIVE

FMCSA add date: Feb 28, 2001

MCS-150

Last updated: Mar 30, 2026

Mileage: 355,836 (2025)

Operation Classification

AUTHORIZED FOR HIRE

Carrier Operation

Interstate

Related Companies

Company	DOT#	MC#	Location	Status	Linked By
BILL GERLOCK TOWING CO.	113726	94790	PORTLAND, OR	INACTIVE	Phone
HCKM LLC DBA: OREGON DISPATCH SERVICE	2248307	738614	PORTLAND, OR	INACTIVE	Phone

Safety

Out-of-Service Rates

Driver7 inspections

28.6%

6.0%

Carrier National avg

Vehicle4 inspections

75.0%

22.6%

Carrier National avg

Hazmat

No hazmat inspections

Crash Summary

Fatal

Injury

Towaway

Total

BASIC Violations

Unsafe Driving9

Driver Fitness1

Hours of Service1

Drug / Alcohol0

Vehicle Maintenance8

Insurance

$750,000

BIPD Coverage

—

Cargo Coverage

2 policies on file2 active

Type	Status	Insurer	Policy #	Coverage	Effective	Expires	Form
BIPD	Active	PIONEER SPECIALTY INSURANCE COMPANY	CPP1133960	$750,000	Apr 1, 2018	—	91X
SURETY	Active	HARTFORD FIRE INSURANCE COMPANY	52BSBGA5031	—	Jun 1, 2011	—	84

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API Reference

curl https://api.dotlookup.dev/v1/carriers/936545