CORNERSTONE GRADING LLC

USDOT 4171230 • 199 GREEN ROAD, ELLERBE, NC, 28338

ACTIVE

Authority:None on file

Insurance:None on file

BOC-3:Not on file

Safety Rating:Not rated

MCS-150:Never updated

OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT

4,171,230

Status

ACTIVE

Operation

Intrastate (Non-Hazmat)

State

North Carolina

Phone

9193066217

[email protected]

Power Units (MCS-150)

Drivers (MCS-150)

Physical Address

199 GREEN ROAD, ELLERBE, NC, 28338

Mailing Address

101 MARSEILLE PL, CARY, NC, 27511-6016

Contact

Phone: 9193066217

Email: [email protected]

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority

Revoked / Inactive

Authority Types

Insurance Policies

None on file

BOC-3 Filing

Not on file

Operating Authority

fmcsa-authhistApr 5, 2026

No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Driver Fitness

Drugs / Alcohol

Hours of Service

Vehicle Maintenance

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections

Violations

3 OOS

Vehicle OOS %

20.0%

Driver OOS %

10.0%

Above nat'l avg (6.7%)

Power Units (MCS-150)

Drivers (MCS-150)

Crash Records

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Clean monthMonth with OOSBased on latest 10 of 10 inspection records

Inspection Activity Map

1 state • 10 inspections

None Low Medium High🚛 Home base

Violation Summary (4 violations from 10 inspections)

fmcsa-inspection-file

Violation Summary (4 violations from 10 inspections)
Code	Description	# Violations	# OOS	Severity Wt	BASIC
FMCSR:392.8	Failing to inspect/use emergency equipment	1	0	—	Unsafe Driving
FMCSR:383.23A2	Operating a CMV without a CDL	1	1	—	Driver Fitness
FMCSR:393.75A3	Tire-flat and/or audible air leak	1	1	—	Vehicle Maintenance
FMCSR:393.43	Brake - relay emergency valve	1	1	7	Vehicle Maintenance

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate

20.0%vs nat'l 23.4%

-3.4 pts below avg

Driver OOS Rate

10.0%vs nat'l 6.7%

+3.3 pts above avg

Violations / Inspection

0.40vs nat'l 1.80

-1.40 below avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (10 inspections)

fmcsa-inspectionsApr 5, 2026

Inspection History (10 inspections)
Date	Report #	Station	State	Level	Vehicle	Violations	Top Codes	OOS
Aug 5, 2025	85419938	I73 EXIT 28	NC	Level 3	PTRB STRAIGHT TRUCK	0	—	No
Jun 3, 2025	84862931	Roadside	NC	Level 1	KAUF SEMI-TRAILER	0	—	No
Feb 6, 2025	83809923	Roadside	NC	Level 3	PTRB STRAIGHT TRUCK	1	392.8	No
Jan 21, 2025	83671998	NC144	NC	Level 1	KAUF FULL TRAILER	0	—	No
Jan 9, 2025	83576359	US 401	NC	Level 3	PTRB STRAIGHT TRUCK	1	383.23A2	Yes
Jan 9, 2025	83575885	US401	NC	Level 3	PTRB STRAIGHT TRUCK	0	—	No
Dec 19, 2024	83449473	US 401	NC	Level 2	PTRB STRAIGHT TRUCK	1	393.75A3	Yes
Nov 18, 2024	83194340	Roadside	NC	Level 1	KAUF SEMI-TRAILER	1	393.43	Yes
Aug 27, 2024	82535199	NC 211	NC	Level 3	PTRB STRAIGHT TRUCK	0	—	No
Jun 20, 2024	81940245	US 74 EXIT 308	NC	Level 2	PTRB STRAIGHT TRUCK	0	—	No