COBALT HOLDINGS LLC

DOT# 2076198 MC# 1666759

ACTIVE

Trust Score

89 / 100

B Good

Components

Compliance · 40% 100

Safety · 35% 80

Insurance · 25% 85

Vehicle OOS rate is 2.9× the national average No active cargo insurance on file

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

Overview

Address

1111 N CENTERVILLE RD

STURGIS, MI 49091

View on Google Maps ↗

Contact

Phone: (269) 651-3681

Fax: (269) 651-3652

Email: dknowlton@COBALTRUBBER.COM

Company Officers

DONNA KNOWLTON

Business Info

Fleet

Power Units

Drivers

Equipment Breakdown

Owned Tractors4

Authority

Status: ACTIVE

FMCSA add date: Sep 15, 2010

Common authority: Sep 18, 2024

Contract authority: Oct 4, 2024

Authority History (4)

Authority Type	Action	Date
PROPERTY FREIGHT FORWARDER	DISMISSED	Oct 24, 2024
MOTOR PROPERTY COMMON CARRIER	GRANTED	Oct 4, 2024
MOTOR PROPERTY CONTRACT CARRIER	GRANTED	Oct 4, 2024
MOTOR PROPERTY COMMON CARRIER	GRANTED	Sep 18, 2024

Cargo Types

General Freight

Active Certifications

Property

MCS-150

Last updated: Jun 18, 2025

Mileage: 141,604 (2024)

Operation Classification

PRIVATE PROPERTYAUTHORIZED FOR HIRE

Carrier Operation

Interstate

Recent Changes

Contactemail: → dknowlton@COBALTRUBBER.COMJul 7, 2026

Identitycompany officer 1: → DONNA KNOWLTONJul 7, 2026

Safety

Out-of-Service Rates

Driver8 inspections

0.0%

6.2%

Carrier National avg

Vehicle6 inspections

66.7%

22.8%

Carrier National avg

Hazmat

No hazmat inspections

Overall8 inspections

50.0%

Carrier

Crash Summary

Fatal

Injury

Towaway

Total

BASIC Violations

Unsafe Driving0

Driver Fitness0

Hours of Service0

Drug / Alcohol0

Vehicle Maintenance0

Safety Measurement System (SMS)

FMCSA's official per-BASIC roadside-performance measures over the trailing 24 months, computed from the 8 inspections below. A measure of 0 means no recorded violations in that BASIC — not necessarily a strong safety record on a small sample. FMCSA does not publish peer-group percentiles for property carriers, so the underlying measures — not percentile rankings — are shown; Hazmat Compliance and Crash Indicator are not published. Based on fewer than 11 inspections — treat these measures as a weak signal.

SMS Inspections (24 mo)

Total

Driver OOS

Vehicle OOS

BASIC Measures

Unsafe Driving4.841 insp w/ viol

Hours of Service0.000 insp w/ viol

Driver Fitness0.000 insp w/ viol

Controlled Substances0.000 insp w/ viol

Vehicle Maintenance18.506 insp w/ viol

Insurance

$750,000

BIPD Coverage

—

Cargo Coverage

1 policy on file1 active

Type	Status	Insurer	Policy #	Coverage	Effective	Expires	Form
BIPD	Active	THE CINCINNATI INSURANCE CO.	EBA 060 29 39	$750,000	Sep 10, 2024	—	91X

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