Is Sigma Supply of N a Inc Safe? DOT 448528 – Safety Rating, Crashes & Violations

Q: What is the safety rating of Sigma Supply of N a Inc?

Sigma Supply of N a Inc has a safety rating of "Unsatisfactory" as of July 13, 1992, based on the most recent FMCSA compliance review.

Q: How many inspections has Sigma Supply of N a Inc had?

Sigma Supply of N a Inc has recorded 11 total inspections, with 0 out-of-service orders.

This carrier holds an Unsatisfactory safety rating. Review the details below before engaging.

Sigma Supply of N a Inc is a registered motor carrier with the FMCSA under USDOT number 448528. The company operates from Hot Springs, AR and maintains an active operating status with 37 power units and 30 drivers on record.

Safety Rating

FMCSA Safety Rating

✗ Unsatisfactory

Rated: July 13, 1992

Sigma Supply of N a Inc holds an "Unsatisfactory" safety rating from the Federal Motor Carrier Safety Administration (FMCSA). This rating indicates that the carrier does not meet federal safety standards based on 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

11 inspections — relatively low volume, which may indicate a smaller or newer carrier.

OOS Rate0.00%

The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. This carrier has a 0% OOS rate — significantly better than the national average of ~21% for vehicles.

Crash History

✅No crashes reported (FMCSA data)

BASICS Safety Scores

BASICS Scores

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

0.4

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.

2.8

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

Sigma Supply of N a Inc is a medium-sized motor carrier operating in Arkansas. With 11 total inspections on record, the carrier has an out-of-service rate of 0.0%, 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.

An Unsatisfactory rating from the FMCSA indicates that Sigma Supply of N a Inc does not meet federal safety standards. Extreme caution is advised before engaging this carrier.

The company operates 37 power units and employs 30 drivers. This is a mid-sized operation relative to the broader carrier market.

Frequently Asked Questions

What is USDOT Number 448528?

USDOT number 448528 is assigned to Sigma Supply of N a Inc, an active motor carrier registered with the FMCSA, based in Hot Springs, AR.

What is the safety rating of Sigma Supply of N a Inc?

Sigma Supply of N a Inc has a safety rating of Unsatisfactory as of July 13, 1992.

How many inspections has Sigma Supply of N a Inc had?

Sigma Supply of N a Inc has recorded 11 total inspections with 0 out-of-service orders, representing an OOS rate of 0.00%.

Where is Sigma Supply of N a Inc located?

Sigma Supply of N a Inc is headquartered at 824 Mid America Blvd, Hot Springs, AR 71913.

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# 448528 · Last updated: 2026-03-09. View official FMCSA record →

Sigma Supply of N a Inc (DOT# 448528) – FMCSA Carrier Profile