The Accrediting Commission of Career Schools and Colleges of Technology (now ACCSC) and the Department of Education, officially recognized ETI Technical College of Niles as a free standing institution in 1992. In 1994, the College began operating under the ownership of ETI Training Center, Incorporated. Applied associate degrees began in Medical Assistant and Business Office Administration were offered in 1998 due to the demand in the field require applicants to have degrees and new electives were added in Accounting, and Web Design Technologies, and Medical Secretary (the latter two have since been discontinued) in 2004, and in 2017, a concentration in Criminal Corrections was added to the Legal Assistant associate of applied business degree.

In 2009, the College received approval from the Ohio Department of Higher Education (formerly Ohio Board of Regents) for students in associate degree and nursing diploma programs to receive the Ohio College Opportunity Grant (OCOG). The following year, the Ohio Department of Health approved the State Tested Nurse Aide certificate adult education program and ETI became a testing site for anyone interested in taking the state exam, and during the same year, 2010, the Ohio Board of Nursing granted ETI full approval for the Practical Nursing Diploma program. Two other adult education certificate programs were approved in 2011: phlebotomy and pharmacy technician exam preparation course (since discontinued), all of which came under ACCSC’s scope in 2017. Two new one-year diploma programs began in the years following: Combination Welding and Fitting in 2013 and Facilities Maintenance Technician in 2015. Additional certificate programs were added in 2017 and approved through the State of Ohio Board of Career Colleges and Schools: Chemical Dependency Counselor Assistant Preliminary (PHASE I), Digital Marketing Specialist, Electrocardiogram (EKG), Bitcoin, and Unmanned Aerial Vehicle (UAV) Drone, and in 2018, Small Engine Repair and two new concentrations were added to the Business AAB: Human Resources & Legal Secretary in 2018. In 2019 the Ohio Board of Nursing granted conditional approval for the Associate Degree of Applied Science in Nursing (ADN-RN) and ACCSC in 2020.