The Office of the Chief Information Officer issued a purchase order to Treehouse Software, Inc. on October 1, 2026, for software maintenance and support, with a ceiling value of $307,290.05 and ultimate completion date of September 30, 2031. This sole-source, firm fixed price procurement is conducted under Simplified Acquisition Procedures and replaces the prior order expiring September 30, 2026. Work is performed in Denver, Colorado. The purchase order covers maintenance and licensing for three proprietary software products supporting critical Department of the Interior data management functions: N2O manages the Federal Personnel and Payroll System between development and test environments; Auditre interrogates Mainframe Adaptable Database System protection logs for auditing and research; and tRelational/DPS maps ADABAS data to Oracle database targets and extracts information for the Datamart. The originating sole-source procurement was posted August 12, 2026, with capability statement responses due August 27, 2026.