Is Diama-Shield Safe? DOT 1413572 – Safety Rating, Crashes & Violations

Q: What is the safety rating of Diama-Shield?

Diama-Shield has a safety rating of "Conditional" as of February 19, 2014, based on the most recent FMCSA compliance review.

Q: How many inspections has Diama-Shield had?

Diama-Shield has recorded 25 total inspections, with 5 out-of-service orders.

Q: Where is Diama-Shield located?

Diama-Shield is headquartered at 1200 Piedmont, Troy, MI 48083.

This carrier is active with a Conditional safety rating and no crashes reported.

Diama-Shield is a registered motor carrier with the FMCSA under USDOT number 1413572. The company operates from Troy, MI and maintains an active operating status with 27 power units and 54 drivers on record.

Safety Rating

FMCSA Safety Rating

⚠ Conditional

Rated: February 19, 2014

Diama-Shield holds a "Conditional" safety rating from the Federal Motor Carrier Safety Administration (FMCSA). This rating indicates that some safety deficiencies were found during the most recent compliance review conducted by FMCSA. View official FMCSA record →

Inspection Summary

All-time Inspections

All-time

Total

OOS

Driver OOS

Vehicle OOS

25 inspections reflects moderate road activity.

OOS Rate20.00%

The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 20.0% — approaching the national vehicle OOS average of ~21%.

Crash History

✅No crashes reported (FMCSA data)

BASICS Safety Scores

BASICS Scores

Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories

0.0

Unsafe Driving

Measures violations related to speeding, reckless driving, and improper lane changes.

1.3

HOS Compliance

Tracks hours-of-service violations, including driving beyond legal limits without rest.

0.5

Driver Fitness

Reflects issues with driver qualifications, licenses, and medical certifications.

0.2

Controlled Substances

Captures drug and alcohol violations, including failed or refused tests.

1.9

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.

Other Carriers in Troy, MI

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Carrier Insight

Diama-Shield is a medium-sized motor carrier operating in Michigan. With 25 total inspections on record, the carrier has an out-of-service rate of 20.0%, which is below 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.

A Conditional rating from the FMCSA indicates that Diama-Shield has some safety deficiencies that need to be addressed. Shippers and brokers should review the BASICS scores carefully.

The company operates 27 power units and employs 54 drivers. This is a mid-sized operation relative to the broader carrier market.

Frequently Asked Questions

What is USDOT Number 1413572?

USDOT number 1413572 is assigned to Diama-Shield, an active motor carrier registered with the FMCSA, based in Troy, MI.

What is the safety rating of Diama-Shield?

Diama-Shield has a safety rating of Conditional as of February 19, 2014.

How many inspections has Diama-Shield had?

Diama-Shield has recorded 25 total inspections with 5 out-of-service orders, representing an OOS rate of 20.00%.

Where is Diama-Shield located?

Diama-Shield is headquartered at 1200 Piedmont, Troy, MI 48083.

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# 1413572 · Last updated: 2026-03-09. View official FMCSA record →

Diama-Shield (DOT# 1413572) – FMCSA Carrier Profile