PSI Services LLC
IT Services and IT ConsultingKansas, United States1001-5000 Employees
PSI Services LLC operates in the IT services and IT consulting sector, providing worldwide testing solutions for corporations, federal and state government agencies, professional associations, certifying bodies and leading academic institutions. The company offers end-to-end testing capabilities, including test development, delivery, results processing, pre-hire employment selection, managerial assessments, licensing and certification tests, distance learning testing, license management services and professional services. PSI serves clients through multiple business channels, such as talent assessments, licensure testing and license management services for government regulators, certification credentialing services for certifying bodies, and partnerships with academic institutions, supported by an international network of Premier PLUS testing centers and PSI Authorized testing centers and the ATLAS test administration platform to ensure security and quality. The business is headquartered in Olathe, Kansas, United States at 18000 West 105th Street, and employs between 1,001 and 5,000 people. In 2026, PSI received an ITCC Innovation Award together with ETS, and was awarded a contract by the Internal Revenue Service to develop and administer the Enrolled Agent Special Enrollment Examination (EA-SEE).