It is intended to acquire a 12-month subscription license for Xacta.io™ Tier 1 (1 project and 500 devices), and a 12-month subscription license for Xacta.io™ Tier 6 (100 projects and 50,000 devices). ... It is intended to acquire a 12-month subscription license for Xacta.io™ Tier 1 (1 project and 500 devices), and a 12-month subscription license for Xacta.io™ Tier 6 (100 projects and 50,000 devices). Open Market Items. Services will be procured under Telos Corp.'s GSA Schedule GS-35F-162DA. This is a sole source action to Telos, Corp.