National Software Testing Laboratories, or NSTL, is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 company, established in 1983, which tests
computer hardware and software. The company provides certification (such as WHQL

WHQL Testing

Windows Hardware Quality Labs testing or WHQL Testing is Microsoft's testing process which involves running a series of tests on third-party hardware or software, and then submitting the log files from these tests to Microsoft for review...

 and Microsoft Windows Mobile certification), quality assurance, and benchmarking services. NSTL is the only authorized testing organization for the Qualcomm

Qualcomm

Qualcomm is an American global telecommunication corporation that designs, manufactures and markets digital wireless telecommunications products and services based on its code division multiple access technology and other technologies. Headquartered in San Diego, CA, USA...

 TRUE BREW

Binary Runtime Environment for Wireless

Brew is an application development platform created by Qualcomm, originally for CDMA mobile phones, featuring third party applications such as mobile games. It is offered in some feature phones but not in smart phones...

platform.