GovChime
UEI: QYXRMMJY21F9 • CAGE: 8LN66

ISI-MARKON JV LLC (VA)

Registration and award facts

SAM.gov registration as of

Net obligations since FY2022
$47.24M
$47,237,921under this UEI
FY2026 obligations
$17.02M
$17,021,920Provisional
Awards and orders
14
with positive net obligations4 IDV vehicles held
Latest action
Oct 16, 2026
SAM.gov registration
Active
Registration expiration date Sep 21, 2027

Registration

Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
May 7, 2020 (6 years)
Location
Leesburg, VA
State of incorporation
Virginia
Purpose of registration
All Awards

† FY2026 obligations (provisional; DoD awards signed after Jul 26, 2026 are not yet public).

Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 26, 2026 are not yet public.

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI QYXRMMJY21F9. GovChime does not check exclusions.

Performance

Net obligations recorded under this UEI since FY2022. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.

Net obligations by fiscal year of action

  • FY2026: $17,021,920 (provisional)
  • FY2025: $15,974,969
  • FY2024: $10,429,312
  • FY2023: $3,811,720

Total across 4 fiscal years: $47,237,921

Top awarding agencies

Top awarding sub-agencies

Top NAICS by obligations

Top product and service codes by obligations

  • R408Support- professional: program management/support$38,771,167, 82.1%
  • R499Support- professional: other$5,516,318, 11.7%
  • R425Support- professional: engineering/technical$1,783,458, 3.8%
  • Z1AAMaintenance of office buildings$956,800, 2.0%
  • C1DZArchitect and engineering- construction: other hospital buildings$210,178, 0.4%

Capabilities

NAICS codes

Show all 22 NAICS codes

Small: small business for that NAICS, self-certified in SAM.gov registration.

SBA certifications

No certification in the SBA profile data.

Business types self-reported in SAM.gov registration:

  • Veteran-Owned Business
  • Service-Disabled Veteran-Owned Business Joint Venture
  • Service-Disabled Veteran-Owned Business
  • Small Business Joint Venture

Federal Capability Statement

ISI Professional Services is a Virginia-based consulting firm offering our federal and commercial clients a comprehensive range of services nationwide. ISl's core competencies include: Program & Project Management, Construction Management, Acquisition Consulting, Logistics Support Services, and a wide range of Professional & Administrative Support Services. ISI integrates our diverse capabilities, extensive experience and expertise to deliver client-focused results. As a Service-Disabled Veteran-Owned Small Business, we are uniquely able to respond anywhere and anytime; and, as our nearly 30-year history illustrates, our deeply rooted relationships and success offer a low-risk solution to existing and emerging needs. ISI’s vision is to be our customers’ preferred vendor, across our spectrum of services, by delivering dynamic customer value while constantly striving for improvement and exerting organizational excellence.

Capabilities & Services

Engineering Services
Construction Management
Management Consulting

Contracts

Latest awards and orders

  1. 47QRCA25DV027Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
  2. 47QRCA25DSF57Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
  3. 36C10F24N0032Delivery orderunder an indefinite delivery contract (IDC)Department of Veterans AffairsLatest action
  4. 36C77624N0888Delivery orderunder an indefinite delivery contract (IDC)Department of Veterans AffairsLatest action
  5. HQ003425F0129Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseWashington Headquarters ServicesLatest action
  6. HQ003424F0681Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseWashington Headquarters ServicesLatest action
  7. 36C10F22D0006Indefinite delivery contract (IDC)VehicleDepartment of Veterans AffairsLatest action
  8. HQ003424D0006Indefinite delivery contract (IDC)VehicleDepartment of DefenseWashington Headquarters ServicesLatest action
  9. HQ003424F0734Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseWashington Headquarters ServicesLatest action
  10. 36C24524F0134Delivery orderunder an indefinite delivery contract (IDC)Department of Veterans AffairsLatest action

Contact Info

As of . Source: SAM.gov Points of Contact.

SAM.gov registration for ISI-MARKON JV LLC lists a physical address and a separate mailing address, along with 6 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.

Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).

Physical Address

215 Depot Ct SE Ste 216

Leesburg, VA, 20175

USA

Mailing Address

215 Depot Ct SE Ste 216

Leesburg, VA, 20175

USA

Government Business Contact

Megan Shelton

215 Depot Court, SE, Suite 216

Leesburg, VA, 20175

USA

Electronic Business Contact

Christopher Lefebvre

215 Depot Court, SE, Suite 216

Leesburg, VA, 20175

USA

Past Performance Contact

Megan Shelton

215 Depot Court, SE, Suite 216

Leesburg, VA, 20175

USA

Government Business Alternate Contact

Christopher Lefebvre

215 Depot Court, SE, Suite 216

Leesburg, VA, 20175

USA

Electronic Business Alternate Contact

Megan Shelton

215 Depot Court, SE, Suite 216

Leesburg, VA, 20175

USA

Past Performance Alternate Contact

Christopher Lefebvre

215 Depot Court, SE, Suite 216

Leesburg, VA, 20175

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

ISI-MARKON JV LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires September 21, 2027.

Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.

Compliance & Risk Assessment

Source: SAM.gov FAR responses

Suspension/Debarment Status

SAM.gov registration reports no active exclusion

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Not registered for disaster relief

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization

Registration Details

Source: SAM.gov

Initial Registration

May 5, 2026

Last Update

Oct 1, 2026

Registration Activation

Active — Oct 1, 2026

Fiscal Year End

12/31

Country of Incorporation

USA

Congressional District

10