35 Updating and maintaining data in computer databases; Providing office functions, namely, updating and maintaining information in records; Office functions in the nature of searching for data in computer files for others; Dealership and retail store services featuring control apparatus and instruments, namely, motor control units; Dealership and retail store services featuring measuring apparatus and instruments, namely, sensors for measuring electric motor parameters; Dealership and retail store services featuring apparatus for carrying magnetic recordings, namely, magnetic identifying cards; Dealership and retail store services featuring machine couplings and transmission components, except for land vehicles; Dealership and retail store services featuring engines, except engines for land vehicles; Compilation of information into computer databases; Database management; Computerized file management; Systemization of information into computer databases; all of the above limited to the field of vibration sensors