# Hazmat Registration Search

> Search US Department of Transportation hazmat company registration status and certificates. (iPhone/iPad app by Pipeline and Hazardous Materials Safety Administration.)

- Source: https://appshunter.io/ios/app/hazmat-registration-search/id1459678141 (this page in markdown: same URL + `.md`)
- Developer: [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820)
- Category: Reference
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 17 MB
- Languages: English
- Released: 2019-06-12
- Data updated: 2026-06-09
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/hazmat-registration-search/id1459678141/reviews.md

## What is Hazmat Registration Search?

The Hazmat Registration Search mobile app allows you to search the US Department of Transportation’s Hazmat Registration database to determine the status of a company’s hazmat registration.  Basic and advanced search functions allow you to search using registration ID, USDOT #, postal code and/or company name.  

The basic search function provides one field to enter a search value and can return a list of many results.  The advanced search function provides multiple fields to enter search values and can return a shorter refined list of results.

Once a search is performed, a list of companies is returned.  By selecting a company, you can expand the details of a specific hazmat registration record.  A PDF function allows you to generate a PDF version of the Hazmat Registration certificate that can be printed, saved or emailed.  The web based version of this application can be accessed at https://portal.phmsa.dot.gov/HazmatRegistrationSearch.

## Key features

- Search hazmat registration database
- Basic and advanced search options
- Search by registration ID, USDOT #, postal code, company name
- View company registration details
- Generate PDF registration certificates
- Save or email certificates


## Frequently asked questions about Hazmat Registration Search

### What is Hazmat Registration Search?

Hazmat Registration Search is a mobile application that allows users to search the US Department of Transportation's Hazmat Registration database. It helps determine the registration status of companies involved in hazmat transportation.

### How can I search for a company's hazmat registration?

You can use either the basic or advanced search functions. The basic search allows for a single input, while the advanced search provides multiple fields including registration ID, USDOT number, postal code, and company name for a more refined search.

### Can I get a copy of a hazmat registration certificate?

Yes, once you select a company and view its details, you can generate a PDF version of the Hazmat Registration certificate. This PDF can then be printed, saved, or emailed.

### Is Hazmat Registration Search free to use?

Yes, Hazmat Registration Search is completely free to download and use. There are no costs associated with searching the database or generating certificates.

### What devices does Hazmat Registration Search support?

Hazmat Registration Search is available for iPhone, iPad, and iPod devices, indicating compatibility with Apple's iOS ecosystem.

### How often is Hazmat Registration Search updated?

The app was last updated on September 27, 2024, with version 2.4. This suggests regular updates to maintain functionality and database accuracy.

### What is the age rating for Hazmat Registration Search?

The app has an age rating of 4+, making it suitable for a wide audience of users.

### Does Hazmat Registration Search have ads?

No, Hazmat Registration Search does not contain advertisements. Users can access all features without interruption from ads.

## Version history (last 5 releases)

### 2.4 — 2024-09-27

Minor performance improvements

### 2.1.0 — 2022-04-01

Performance improvements

### 2.0.1 — 2022-01-04

Updated privacy policy

### 2.0.0 — 2021-07-22

Updated version to improve stability and performance

### 1.0.2 — 2019-10-16

Added Company Type field to details page

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All apps by Pipeline and Hazardous Materials Safety Administration: https://appshunter.io/developer/954888820

## Related topics

[hazmat reference](https://appshunter.io/ios/topics/hazmat-reference)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-09.*