all phases of auto and truck repair oil svcs,include trannys,engines,differentals,transfer cases and anything that has oil in it should be changed at a period all electrical diag from trannys to engines to abs,airbags,srs,traction control systems all aftermarket installs tvs,dvd,gps,locaters,lojack,and everything else all diesel ,gas,propane (cng),hybrids,big rigs and all heavy equipment diag and repairs plus matainance all municpal installs swap or new cages,containment units,hotdogs(k9) light bars from digital to rotary,all two way radios with or w/o trunkin repeaters,tachtographs,consoles,switching,flood or spot lights,satelite(computers),modems you name it if it can be installed i can do it hitches and electric brakes,all wiring welding certified in structural carbon to carbon or carbon to stainless custom exhaust the only thing i dont do is major body work and paint a full svc station on wheels every make and model my philosophy is to fix it right the first time