Gregg Drilling Llc (DOT# 3173922) – FMCSA Carrier Profile
DOT# 3173922● Active
Updated monthly · 2026-03-09
This carrier is active. Review the inspection and crash data below.
Gregg Drilling Llc is a registered motor carrier with the FMCSA under USDOT number 3173922. The company operates from Signal Hill, CA and maintains an active operating status with 87 power units and 87 drivers on record.
Safety Rating
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Company Information
Address2726 Walnut Ave, Signal Hill, CA, 90755
Phone(562) 427-6899
Entity TypePrivate Property
OperationInterstate
Power Units87(Medium carrier)
Drivers87
MCS-150 FiledFebruary 14, 2025
Annual Mileage846,500 mi (2024)
Inspection Summary
All-time Inspections
All-time74
Total
25
OOS
5
Driver OOS
20
Vehicle OOS
74 inspections reflects moderate road activity.
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 33.8% — above the national vehicle OOS average of ~21%. Review BASICS scores below.
Crash History
Crash Records
All-time2
Total
0
Fatal
3
Injuries
0
Tow-Away
2 crashes recorded. Low count, but crash data should always be reviewed alongside inspection history.
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories0.1
Unsafe Driving
Measures violations related to speeding, reckless driving, and improper lane changes.
0.5
HOS Compliance
Tracks hours-of-service violations, including driving beyond legal limits without rest.
0.6
Driver Fitness
Reflects issues with driver qualifications, licenses, and medical certifications.
0.0
Controlled Substances
Captures drug and alcohol violations, including failed or refused tests.
4.1
Vehicle Maintenance
Reflects brake, tire, lighting, and other equipment-related inspection violations.
Scores above 65 (general freight) or 50 (passenger/hazmat) trigger an FMCSA Alert. Higher scores indicate more safety risk. National median is approximately 20–30 for active carriers.
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Frequently Asked Questions
What is USDOT Number 3173922?
USDOT number 3173922 is assigned to Gregg Drilling Llc, an active motor carrier registered with the FMCSA, based in Signal Hill, CA.
How many inspections has Gregg Drilling Llc had?
Gregg Drilling Llc has recorded 74 total inspections with 25 out-of-service orders, representing an OOS rate of 33.78%.
Where is Gregg Drilling Llc located?
Gregg Drilling Llc is headquartered at 2726 Walnut Ave, Signal Hill, CA 90755.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 3173922 · Last updated: 2026-03-09. View official FMCSA record →