https://op.europa.eu/en/web/public-procurement/procurement-details/-/procurement/8ea9ee47-60dc-432f-8b80-2a3f70b2a5ac
Application software maintenance services - EU tenders - Publications Office of the EU
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https://www.gsa.gov/technology/it-contract-vehicles-and-purchasing-programs/multiple-award-schedule-it/software-maintenance-services
Software Maintenance Services | GSA
Federal agencies can enhance software performance with GSA’s software maintenance services, including customization, integration, and implementation.
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https://primtek.net/
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