Thirty Four Fast-Growth Loudoun Companies Rank on Prestigious Inc. 5000 List

The annual Inc. 5000 list of fastest-growing privately held U.S. companies was announced on Tuesday and included 34 businesses that are headquartered or licensed in Loudoun County, Va.

The rankings are determined based on percentage revenue growth for privately-owned applicant businesses over the previous three years.

“To be so well represented on the prestigious Inc. 5000 list is a reflection of Loudoun’s strong economy and the resilience of our businesses. We couldn’t be prouder of the 34 companies that made the list and look forward to celebrating their success, both now and in the years to come,” Loudoun Economic Development Executive Director Buddy Rizer said. “We look to our rapid-growth businesses to be leaders as we diversify and build toward an equitable #LoudounPossible future.”

Chantilly-based Informed XP (No. 100) topped Loudoun’s list of companies with 3,910% growth over the last three years, ranking fourth in the D.C. region and fifth in Virginia. Originally founded in 2005, Informed XP is a certified Women and Minority-owned small business, leading in the UX and CX design space.

“IXP is honored to be recognized in the Inc. 5000,” Informed XP Founder and Principal Tina Williams said. “As a nimble, small business, we work relentlessly to pursue better experiences through human-centered design. Our goal is to make technology work for people and not the other way around.”

In addition to Informed XP, four other Loudoun companies made the exclusive Inc. 500 list:

  • Centurion Consulting Group (No. 262)
  • Gravy Analytics (No. 263)
  • Core One Solutions (No. 314)
  • WheelsOnsite USA (No. 352)

Three of the four companies were also on the list last year, with WheelsOnSite USA making the list for a Loudoun record eighth-straight year. Originally founded in late 2011, WheelsOnSite USA has made the list every year of eligibility.

“Our whole team understands that we’ve been recognized a lot of times…that we’ve had this success,” COO Mark Zavacky explained. “The success that we had is really the reward to our employees. They have a huge sense of pride in that. It fuels what we do every day.”

In total, 23 Loudoun headquartered or licensed honorees had made the list in previous years, including top employers and long-time #LoudounPossible success stories like Marathon TS, Cynet Health, Xgility, Lynker Technologies and Unanet.

Loudoun’s list of 2021 Inc. 5000 companies also included 11 newcomers, representing a fresh cohort of businesses and employers on the rise in the county.

Loudoun’s 2021 Inc. 5000 winners represented all eight districts in the county and a broad swath of industries, IT to manufacturing, retail to healthcare, government contracting to construction and beyond.

Here is the full roster of Loudoun businesses named to the 2021 Inc. 5000 list:

2021 RankingCompanyGrowthYears on ListIndustryStateCity
100Informed XP3910%1IT Systems DevelopmentVAChantilly
262Centurion Consulting Group1769%1Government ServicesVAHerndon*
263Gravy Analytics1768%2SoftwareVADulles
314Core One Solutions1455%2Government ServicesVASterling
352WheelsOnsite USA1343%8RetailVASterling
511The Building People953%4Real EstateVALeesburg
661Lateetud735%2SoftwareVAAshburn
855Pathfinder Consultants571%3Government ServicesVASterling
1018Softrams474%3IT ServicesVALeesburg
1123Simba Enterprises/ SimbaCom432%2Government ServicesVALeesburg
1211DH Technologies400%2Computer HardwareVALeesburg
1309Cynet Health365%5Human ResourcesVASterling
1391C & A Scientific341%1ManufacturingVASterling
1770Capital Telecom Services258%2TelecommunicationsVASterling
1886Single Point Global237%5IT ManagementVAAshburn
2037Idea Entity Corporation217%3SoftwareVAHerndon*
2048Citadel Federal Solutions216%2Government ServicesVAHerndon*
2059PYCUBE214%1SoftwareVASterling
2305Lynker Technologies185%5Environmental ServicesVALeesburg
2391Adeptus Solution177%3Government ServicesVALeesburg
3039CES Consulting125%3ConstructionVADulles
3135Rock Water FarmLandscapes & Hardscapes119%1ConstructionVAAldie
3299Kelly E Morgan DMD, MS, PC109%1HealthVALeesburg
3374Unanet105%4SoftwareVADulles
3400Infinitive103%1Business Products & ServicesVAAshburn
3529Xgility97%5IT ManagementVAAshburn
3646Integrity Consulting Engineering and Security Solutions (ICESS)92%2Government ServicesVAPurcellville
3770Marathon TS87%7IT Systems DevelopmentVAPaeonian Springs
4165HSP Direct71%1Advertising & MarketingVAAshburn
4339Applied Memetics65%1Business Products & ServicesVALeesburg
4397Data Storage Science63%3IT Systems DevelopmentVASterling
4777Techaxis48%2Human ResourcesVAAshburn
4782Conflict Kinetics Corporation48%1SoftwareVASterling
4790AXIS Management Group47%1Government ServicesVAMcLean*
*Licensed in Loudoun County

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