Karsun Solutions LLC
Herndon, VA
- UEI
- WTERVPLW2SS6
- CAGE
- 5ZUN6
- Primary NAICS
- 541511 Custom Computer Programming Services
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
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- 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
- 541330 Engineering Services
- 541512 Computer Systems Design Services
- 541513 Computer Facilities Management Services
- 541519 Other Computer Related Services
- 541611 Administrative Management and General Management Consulting Services
- 541618 Other Management Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- Corporate family
-
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- Herndon, VA E798KDE7NEN4
- Fulton, MD KLGNAC2T9JY9
- Herndon, VA X3VAV4RKB3J7
-
- SAM.gov registration date
- Physical address
- 12825 Worldgate Dr Suite 500, Herndon, VA 20170, USA
- Website
- karsun-llc.com
- Founded
- 2009
- Employees
- 251-1K
- Estimated annual revenue
- $50M-$100M
- Industry
-
- Industrials
- Commercial & Professional Services
- Professional Services
- Consulting
- SIC code
- 87 Engineering & Management Services
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $84,018,596 |
| FY2025 | $97,796,921 |
| FY2024 | $112,673,540 |
| FY2023 | $144,417,786 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Transportation | $74,981,714 | |
| 2 | General Services Administration | $9,036,383 | |
| 3 | Missile Defense Agency | $500 |
Contract vehicles
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| General Dynamics Information Technology, Inc. | 47QFCA24F0014 | $78,692,176 |
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Clarity24 LLC | McLean, VA | 541511 Custom Computer Programming Services |
| Zolon TECH Inc. | Herndon, VA | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services |
| Conviso-V LLC | Luray, VA | 541519 Other Computer Related Services |
| Acuity Inc. | Reston, VA | 541519 Other Computer Related Services |
| Techtrend, Inc. | Reston, VA | 541519 Other Computer Related Services |
About the company
Karsun Solutions LLC is a minority-owned, Subcontinent Asian American-owned limited liability company headquartered in Herndon, Virginia, that specializes in enterprise modernization, IT infrastructure transformation, and software development services for the federal government. Registered in SAM.gov since May 2010, the company serves as a prime federal contractor delivering comprehensive technology solutions across multiple civilian agencies. Karsun Solutions leverages advanced technologies including cloud computing, agile development methodologies, and data analytics to support federal agencies in modernizing legacy systems and upgrading critical government infrastructure.
Karsun Solutions has delivered a diverse portfolio of services through prime federal contract awards spanning multiple agencies and contract vehicles. The company has been a primary partner to the Federal Emergency Management Agency, executing several Blanket Purchase Agreement calls totaling over $80 million for Agile Release for Consolidation (SPARC) support services, encompassing software platforms, applications, and modernization support. For the General Services Administration, Karsun has provided extensive services including a $129.7 million time-and-materials Blanket Purchase Agreement Call for assistance modernization services, a $14.39 million delivery order for Fleet System Modernization Bridge services, and a $815,809.60 delivery order for FAS CASE Business Intelligence Fusion Support Services. The company also completed a $4.41 million delivery order with FEMA for agile development services supporting grant management system modernization. More recently, Karsun received a $2.7 million firm fixed-price delivery order for cloud migration support services under the SSD TO #16 contract, demonstrating its expertise in contemporary cloud technology initiatives. Additionally, Karsun received a $27,474.42 award for payment of protest claim, attorneys' fees, and expenses related to CIO-SP4 procurement. All contract awards have been executed without small business set-aside designations, reflecting the company's status as an unrestricted contractor. The company has also served as a subcontractor to General Dynamics Information Technology, Inc. on GSA contract services.
Karsun Solutions holds two significant Indefinite Delivery Vehicles that substantially expand its federal contracting capacity. The company was awarded a Federal Supply Schedule contract on March 14, 2025, through the General Services Administration's Federal Acquisition Service with a ceiling value of $750,000 and performance extending through March 13, 2030. This Multiple Award Schedule vehicle encompasses over 40 labor categories across two Special Item Numbers: 518210C for Cloud Computing and Cloud-Related IT Professional Services and 54151S for Information Technology Professional Services. The labor categories span cloud infrastructure roles including Cloud Architects and Cloud Security Engineers, software development positions, business and analytical functions, and management roles, with hourly rates ranging from approximately $70 to over $338 for senior subject matter experts. Under this Federal Supply Schedule, Karsun has already executed the previously mentioned $14.39 million Fleet System Modernization Bridge delivery order. More substantially, Karsun was awarded an OASIS+ Unrestricted Indefinite Delivery/Indefinite Quantity contract on December 17, 2024, also administered by the General Services Administration's Federal Acquisition Service, with a ceiling value of $999,999,999,999.00 and a performance period extending through December 16, 2029. This multiple-award Government-wide contract vehicle enables any federal agency to issue task orders for enterprise IT and professional services without restriction, positioning Karsun to deliver software development, cloud solutions, data analytics, IT modernization, and agile development services across the federal government. The OASIS+ Unrestricted award builds upon Karsun's demonstrated capabilities and track record with FEMA, GSA, and other federal agencies, establishing the company as a qualified, pre-vetted resource for comprehensive enterprise transformation initiatives.
Quick answers
Is Karsun Solutions LLC registered in SAM.gov?
Yes. Karsun Solutions LLC's SAM.gov registration is active through March 30, 2027.
Which contract vehicles does Karsun Solutions LLC hold?
Karsun Solutions LLC holds a place on 9 federal contract vehicles, including Alliant 3, IT-70 and MAS.
How much has Karsun Solutions LLC received in federal contracts?
Federal contracts obligated $97,796,921 to Karsun Solutions LLC in fiscal year 2025 and $438,906,844 in fiscal years 2023 through 2027.
How does Karsun Solutions LLC rank among federal contractors?
Karsun Solutions LLC ranked #17 at the Department of Transportation, #44 in PSC D399 and #53 in NAICS 541519 in FY2025.
What is Karsun Solutions LLC's most recent federal award?
Karsun Solutions LLC's most recent federal contract award is SSD to #16 for cloud migration support (692M1526F00008), from Technical Center (FAA), on January 9, 2026.
On GovTribe
See Karsun Solutions LLC's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors