US21 Tech Stack

US21 uses 8 technology products and services including oEmbed, Google Fonts API, OWL Carousel, and more. Explore US21's tech stack below.

oEmbed

Dev Tools

Google Fonts API

Font Scripts

OWL Carousel

Javascript Libraries

Google Maps

Maps

Slider Revolution

Miscellaneous

Priority Hints

Performance

Bootstrap

UI Frameworks

Breadcrumb NavXT

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 Avenue Suite 300 Fairfax, Virginia 22031 United States. The company has employees across 3 continents, including North AmericaAsiaAfrica.

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 February 2026, US21's annual revenue is estimated to be $23M.

What is US21's SIC code NAICS code?

US21's SIC code is 3761 - Guided Missiles and Space Vehicles NAICS code is 336414 - Guided Missile and Space Vehicle Manufacturing.

How many employees does US21 have currently?

As of February 2026, US21 has approximately 53 employees across 3 continents, including North AmericaAsiaAfrica. Key team members include Chief Operating Officer: B. S.President: J. S.Head Of Logistics: I. A.. 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 oEmbedGoogle Fonts APIOWL CarouselGoogle MapsSlider RevolutionPriority HintsBootstrapBreadcrumb NavXT.

What is US21's email format?

US21's email format typically follows the pattern of First@us21computers.com. Find more US21 email formats with LeadIQ.

When was US21 founded?

US21 was founded in 1998.

US21

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

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

Q: How many employees does US21 have currently?

US21 has approximately 53 employees.

Q: What technology does US21 use?

US21's tech stack includes Twemoji, Priority Hints, reCAPTCHA, Underscore.js, HTTP/3.

Defense and Space ManufacturingVirginia, United States51-200 Employees

US21 Inc. is a leading provider of Professional & Training Services, Program & Mission Support, Procurement Support, and Logistics Services to U.S. government agencies and non-profit organizations worldwide.

With a global footprint and a strong focus on supply, sustainment, and logistics, we develop and deliver solutions that support:
	•	Mission-critical operations
	•	National security programs
	•	Foreign assistance and humanitarian aid initiatives

We provide end-to-end global supply solutions to the:
	•	U.S. Department of Defense (DoD)
	•	U.S. Department of State
	•	Department of Homeland Security (DHS)
	•	Intelligence Community
	•	Federal Civilian Agencies
	•	Government Contractors Worldwide

US21 is committed to mission success—anywhere, anytime.

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US21 Tech Stack

Media & News

US21's Email Address Formats