42 providing graphic and multimedia design services for the purpose of promoting the goods and services of others; custom design and development of signs and displays; graphic design services; design and development of audio-visual multimedia products; architectural graphic design services, namely, architectural signage, architectural graphics; environmental graphic design services, namely, planning, design and implementation of wayfinding signage, signs and displays for retail, corporate and industrial locations, public spaces, commercial and residential real estate properties, casinos, arenas and entertainment venues and transportation facilities; installation, maintenance and repair of digital signage software and audio-visual software; lighting design and technology specification services pertaining to permanent or temporary architectural, entertainment, commercial and industrial applications; design, development and consulting services related thereto in the field of lighting systems and controls; energy auditing services, namely, technical analysis and evaluation of lighting and associated energy requirements and usage; and consulting services in the field of architectural design, product research, technical research and engineering of lighting and energy efficient lighting systems; and consulting services in the field of design of signage and displays