Insights

Government Contract Expansion By Light recently secured a five-year prime contract with the General Services Administration under the Alliant 3 GWAC, indicating a strong foothold in federal government projects and ongoing opportunities for expanding IT services within public sector agencies.

Defense Sector Focus The company's extensive experience supporting defense and intelligence clients, including legacy network migrations and secure video systems, highlights its deep specialization in defense technology solutions, which can be leveraged to pursue additional contracts in warfighter and cyber defense initiatives.

Strategic Acquisitions The acquisition of Dignitas Technologies showcases By Light’s growth strategy and ability to broaden its offerings, presenting opportunities for cross-selling integrated cyber, modeling, and simulation solutions to government and commercial clients.

Technology and Cloud Expertise By Light’s capabilities in cloud services, network modernization, and AI-driven infrastructure suggest a strong potential to cater to clients seeking digital transformation, scalable cloud migration, and cybersecurity enhancements within federal agencies and large enterprises.

Leadership and Market Position Recent high-level hires and industry recognitions position By Light as a competitive and innovative player in the federal IT services market, opening doors for targeted outreach to secure additional government contracts and expand market share in defense, healthcare, and civilian sectors.

By Light Professional IT Services Tech Stack

By Light Professional IT Services uses 8 technology products and services including Unity3D, Mailchimp, Spring Boot, and more. Explore By Light Professional IT Services's tech stack below.

  • Unity3D
    Audio, Video, Graphics
  • Mailchimp
    Email
  • Spring Boot
    Frameworks And Libraries
  • Modernizr
    Javascript Libraries
  • Ciena
    Network Hardware
  • Juniper Switches
    Network Hardware
  • MuleSoft
    Platform As A Service
  • JUnit
    Testing And Qa

Media & News

By Light Professional IT Services's Email Address Formats

By Light Professional IT Services uses at least 1 format(s):
By Light Professional IT Services Email FormatsExamplePercentage
First.Last@bylight.comJohn.Doe@bylight.com
94%
FLast@bylight.comJDoe@bylight.com
4%
Last.First@bylight.comDoe.John@bylight.com
1%
First.MiddleLast@bylight.comJohn.MichaelDoe@bylight.com
1%

Frequently Asked Questions

Where is By Light Professional IT Services's headquarters located?

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By Light Professional IT Services's main headquarters is located at 8484 Westpark Drive Suite 600 Mclean, Virginia United States. The company has employees across 6 continents, including North AmericaEuropeAfrica.

What is By Light Professional IT Services's phone number?

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You can contact By Light Professional IT Services's main corporate office by phone at . 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 By Light Professional IT Services's official website and social media links?

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By Light Professional IT Services's official website is bylight.com and has social profiles on LinkedIn.

How much revenue does By Light Professional IT Services generate?

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As of March 2026, By Light Professional IT Services's annual revenue is estimated to be $16M.

What is By Light Professional IT Services's SIC code NAICS code?

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By Light Professional IT Services's SIC code is 8711 - Engineering Services NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does By Light Professional IT Services have currently?

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As of March 2026, By Light Professional IT Services has approximately 591 employees across 6 continents, including North AmericaEuropeAfrica. Key team members include Ceo By Light: B. D.Ceo: B. D.Chief Revenue Officer (cro): M. H.. Explore By Light Professional IT Services's employee directory with LeadIQ.

What industry does By Light Professional IT Services belong to?

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By Light Professional IT Services operates in the IT Services and IT Consulting industry.

What technology does By Light Professional IT Services use?

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By Light Professional IT Services's tech stack includes Unity3DMailchimpSpring BootModernizrCienaJuniper SwitchesMuleSoftJUnit.

What is By Light Professional IT Services's email format?

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By Light Professional IT Services's email format typically follows the pattern of First.Last@bylight.com. Find more By Light Professional IT Services email formats with LeadIQ.

When was By Light Professional IT Services founded?

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By Light Professional IT Services was founded in 2002.

By Light Professional IT Services

IT Services and IT ConsultingVirginia, United States501-1000 Employees

By Light Professional IT Services LLC (By Light) provides a full range of hardware and software engineering services to defense, civilian, and commercial customers worldwide. Driven by a management team that leverages real-world expertise from the defense, intelligence, federal healthcare, and commercial sectors, we provide reliable, efficient, and cost-effective IT solutions.

Some of our successes include:

• Completion of 80+ Global Information Grid Bandwidth Expansion (GIG-BE) sites both CONUS & OCONUS. Provided Optical Network Engineering, Implementation, & Project Control Worldwide.
• Provided timely completion of ATM to IP Migration, Legacy Network Optimization, & VOIP Implementation of 47 CONUS Sites for the United States Special Operations Command (USSOCOM) SCAMPI Network.
• Supporting the AMC CIO/G6 in the Depot Modernization Program, implementing CONUS wide 802.11/a/b/g/n wireless networks, Area Processing Center Migration, DISN Optimization, and a 40,000 user, enterprise-wide SharePoint Implementation.
• Completion of 2,000 Plus Legacy Circuit Migrations to DISN Transport for DISN Transition Program.
• Delivered Communications Support & Staff Augmentation for Deployed DoD Forces under the Program Executive Office Enterprise Information Systems Technology Applications Office (PEO EIS TAO).
• Successful Implementation of Secure Intelligent Video Systems (IVS) for the Intelligence Community.
• Supporting major international carriers in the modernization and expansion of Data Center Facilities.
• Engineering new Turnkey “Cloud Services,”  including Hosting, Managed Services, COOP, and Data Storage and Archival.

Section iconCompany Overview

Headquarters
8484 Westpark Drive Suite 600 Mclean, Virginia United States
Phone number
SIC Code
8711 - Engineering Services
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2002
Employees
501-1000

Section iconFunding & Financials

  • $500M$1B

    By Light Professional IT Services's revenue is estimated to be in the range of $500M$1B

Section iconFunding & Financials

  • $500M$1B

    By Light Professional IT Services's revenue is estimated to be in the range of $500M$1B

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