Balancing machines for rotors, in particular for rotors of turbochargers and turbo compressors, for turbine wheels, for compressor wheels, and for shafts; measuring, signaling and checking supervision apparatus and instruments, namely, electric sensors, motion detectors, unbalance measuring units in the nature of unbalance measuring apparatus, computer-controlled devices for evaluating the unbalance of objects, balances for correcting unbalance of workpieces to be balanced and signaling appar...

Business services, namely facilitating the exchange of business information between public purchasers, namely government entities and municipalities, and private vendors by (i) providing a database containing information about public purchasers and their business needs that can be accessed by private vendors seeking contracts; and (ii) assisting public purchasers in developing bid information and request for purchase information