SAM.govRef 47QACB26N0001

Operations & Maintenance (O&M) & Modernization for GSA Real Estate Exchange (G-REX)

Name: Operations & Maintenance (O&M) & Modernization for GSA Real Estate Exchange (G-REX)
Creator: Office of Administrative Services
Published: 2026-02-27T16:28:55.000Z
License: https://creativecommons.org/publicdomain/mark/1.0/

Contracting officeOffice of Administrative Services

ClosedServicesNAICS 541519

Submission deadlineMar 13, 202602:00 PM EDTClosed

PublishedFeb 27, 2026

LocationWashington, DC

Notice type: Sources Sought
NAICS industry: 541519 · Other Computer Related Services
Product or service code: DA01 · IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR)
Set-aside: Not specified
Place of performance: District of ColumbiaWashington, DC
Official notice: View on SAM.gov ↗

Description

The General Services Administration (GSA) seeks industry input on capabilities for modernizing and maintaining the GSA Real Estate Exchange (G-REX), a mission-critical Appian-based platform supporting the Public Buildings Service (PBS) in delivering optimal real estate acquisitions to American taxpayers. Both Operations & Maintenance and modernization services are required, with vendors having the option to propose their preferred modernization approach from the available options.

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