Public relations; promotion services in the fields of media and entertainment, technology, philanthropy, culture, education, arts, athletics, public relations, mergers and acquisitions, and business opportunities and ventures; concept and brand development in the fields of media and entertainment, technology, philanthropy, culture, education, arts, athletics, public relations, mergers and acquisitions, and business opportunities and ventures; publicity agents; arranging and conducting shows i...

INSTALLATION AND MAINTENANCE OF ELECTRONIC SYSTEMS AND DEVICES COMPRISED OF SOUND AMPLIFIERS, ELECTRONIC CONTROLLERS, AUDIO AND VIDEO ELECTRONIC SWITCHERS, ELECTRICAL POWER SUPPLIES, AUDIO FILTERS, AUDIO EQUALIZERS, AUDIO SPEAKERS, ELECTRONIC SOUND TRANSDUCERS, COMPUTER INTERFACE BOARDS, COMPUTERS, AUDIO FREQUENCY ANALYZERS, ELECTRONIC APPARATUS FOR TESTING, NAMELY ARTIFICIAL NOISE GENERATORS, TEST SIGNAL INJECTORS, RESONANT OBJECT LOCATING SENSORS, PHASE CORRECTION SIGNAL INJECTORS AND GRAPH...

ELECTRONIC SYSTEMS AND DEVICES COMPRISED OF SOUND AMPLIFIERS, ELECTRONIC CONTROLLERS, AUDIO AND VIDEO ELECTRONIC SWITCHERS, ELECTRICAL POWER SUPPLIES, AUDIO FILTERS, AUDIO EQUALIZERS, AUDIO SPEAKERS, ELECTRONIC SOUND TRANSDUCERS, COMPUTER INTERFACE BOARDS, COMPUTERS, AUDIO FREQUENCY ANALYZERS, ELECTRONIC APPARATUS FOR TESTING, NAMELY ARTIFICIAL NOISE GENERATORS, TEST SIGNAL INJECTORS, RESONANT OBJECT LOCATING SENSORS, PHASE CORRECTION SIGNAL INJECTORS AND GRAPHIC ROOM CHARACTERISTICS MAPPING ...