Advertising; organization of technology exhibitions for commercial and advertising purposes; organization of trade fairs for commercial or advertising purposes; business management assistance; sales promotion for others; personnel management consultancy; relocation services for businesses; systemization of information into computer databases; accounting; providing business information via a web site

Otolaryngology equipment; hearing aids; ear plugs [ear protection devices]; hearing protectors; medical apparatus and instruments; ultraviolet ray lamps for medical purposes; dental apparatus and instruments; surgical implants comprised of artificial materials; slings [supporting bandages]; suture materials

Loudspeaker systems; USB (universal serial bus) hardware, namely, wireless transmission devices for use with loudspeaker systems

Electric apparatus and instruments including apparatus for recording, transmission and reproduction of sound or images