TESI has a current staff of three master electricians who have extensive experience in the electrical trade and experience in instruction at the college level. We are certified to provide continuing education to licensed electricians in the state of Michigan and have been successful in preparing individuals to pass the electrical exams in Michigan and several other states. TESI was founded in 1994 after much prompting by individuals in the electrical trade and uses cutting edge texchnology for presenting deminars. Many courses use text material written by the TESI staff. Seminars are scheduled throughout Southeastern Michigan at various times or may be arranged at yyour business location at managements request.