US21 Tech Stack

US21 uses 8 technology products and services including Twitter Emoji (Twemoji), Font Awesome, OWL Carousel, and more. Explore US21's tech stack below.

Twitter Emoji (Twemoji)

Font Scripts

Font Awesome

Font Scripts

OWL Carousel

Javascript Libraries

Slider Revolution

Miscellaneous

PHP

Programming Languages

X-XSS-Protection

Security

Bootstrap

UI Frameworks

Formidable Forms

Web Platform Extensions

US21 Email Formats	Example	Percentage
First@us21computers.com	John@us21computers.com	100%
First.Last@us21.com	John.Doe@us21.com	58%
First@us21.com	John@us21.com	26%
FLast@us21.com	JDoe@us21.com	10%
Last@us21.com	Doe@us21.com	6%

US21 Email Formats

Example

Percentage

First@us21computers.com

John@us21computers.com

100%

First.Last@us21.com

John.Doe@us21.com

58%

First@us21.com

John@us21.com

26%

FLast@us21.com

JDoe@us21.com

10%

Last@us21.com

Doe@us21.com

Frequently Asked Questions

Where is US21's headquarters located?

US21's main headquarters is located at 2721 Prosperity Ave Suite 300 Fairfax, Virginia 22031 US. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is US21's phone number?

You can contact US21's main corporate office by phone at

+1-703-560-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is US21's official website and social media links?

US21's official website is us21.com and has social profiles on LinkedIn.

How much revenue does US21 generate?

As of March 2025, US21's annual revenue reached $23M.

What is US21's SIC code NAICS code?

US21's SIC code is 3571 - Electronic Computers NAICS code is 336414 - Guided Missile and Space Vehicle Manufacturing.

How many employees does US21 have currently?

As of March 2025, US21 has approximately 51 employees across 4 continents, including North AmericaAsiaEurope. Key team members include Chief Operating Officer: B. S.President: J. S.Director Of Programs: A. M.. Explore US21's employee directory with LeadIQ.

What industry does US21 belong to?

US21 operates in the Defense and Space Manufacturing industry.

What technology does US21 use?

US21's tech stack includes Twitter Emoji (Twemoji)Font AwesomeOWL CarouselSlider RevolutionPHPX-XSS-ProtectionBootstrapFormidable Forms.

What is US21's email format?

US21's email format typically follows the pattern of . Find more US21 email formats with LeadIQ.

When was US21 founded?

US21 was founded in 1998.

US21

Defense and Space ManufacturingVirginia, United States51-200 Employees

US21 is a leading provider of PROFESSIONAL &amp; TRAINING SERVICES,  PROGRAM &amp; MISSION SUPPORT , PROCUREMENT SUPPORT , AND LOGISTICS SERVICES to D, and non-profits worldwide. Focused on supply, sustainment and logistics, we design and develop solutions that support a broad range of mission critical programs, national security programs, foreign assistance and aid programs. We provide global supply solutions to the U.S. Department of Defense, Department of State, DHS,  intelligence community, federal civilian agencies, and contractors worldwide.

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Media & News

US21's Email Address Formats