Diamond Seven Llc (DOT# 485019 · MC# 287288) – FMCSA Carrier Profile

DOT# 485019MC# 287288● Active
Updated monthly · 2026-03-09

This carrier is active with no crashes on record.

Diamond Seven Llc is a registered motor carrier with the FMCSA under USDOT number 485019. The company operates from Surprise, AZ and maintains an active operating status with 10 power units and 10 drivers on record.

Safety Rating

FMCSA Safety Rating
Not Rated

No formal safety rating has been assigned to Diamond Seven Llc by the FMCSA. View official FMCSA record →

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Company Information

Address16772 W Bell Rd Suite 110-277, Surprise, AZ, 85374
Phone(623) 247-0000
Entity TypeAuthorized For Hire
OperationInterstate
Power Units10(Medium carrier)
Drivers10
MCS-150 FiledOctober 11, 2025
Annual Mileage436,261 mi (2025)
All carriers in ArizonaCarriers in Surprise, AZ

Inspection Summary

All-time Inspections
All-time
13
Total
3
OOS
0
Driver OOS
3
Vehicle OOS
13 inspections — relatively low volume, which may indicate a smaller or newer carrier.
OOS Rate23.08%
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 23.1% — above the national vehicle OOS average of ~21%. Review BASICS scores below.

Crash History

No crashes reported (FMCSA data)

BASICS Safety Scores

BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories
3.3
Unsafe Driving
Measures violations related to speeding, reckless driving, and improper lane changes.
0.0
HOS Compliance
Tracks hours-of-service violations, including driving beyond legal limits without rest.
0.0
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.
4.0
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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Carrier Insight

Diamond Seven Llc is a medium-sized motor carrier operating in Arizona. With 13 total inspections on record, the carrier has an out-of-service rate of 23.1%, which exceeds the national average of approximately 21%. No crashes have been reported in FMCSA records, which is a positive indicator for shippers and brokers evaluating this carrier.

Diamond Seven Llc has not received a formal safety rating from the FMCSA. This is common for smaller or newer carriers and does not necessarily indicate a safety problem.

The company operates 10 power units and employs 10 drivers. This is a mid-sized operation relative to the broader carrier market.

Frequently Asked Questions

What is USDOT Number 485019?
USDOT number 485019 is assigned to Diamond Seven Llc, an active motor carrier registered with the FMCSA, based in Surprise, AZ.
How many inspections has Diamond Seven Llc had?
Diamond Seven Llc has recorded 13 total inspections with 3 out-of-service orders, representing an OOS rate of 23.08%.
Where is Diamond Seven Llc located?
Diamond Seven Llc is headquartered at 16772 W Bell Rd Suite 110-277, Surprise, AZ 85374.
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.
What is the MC number for Diamond Seven Llc?
The MC number for Diamond Seven Llc is MC# 287288. The MC number is issued by the FMCSA and authorizes carriers to operate in interstate commerce.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 485019 · Last updated: 2026-03-09. View official FMCSA record →