Data processing equipment, namely, data processors and computers, computer software for use in designing and planning of installations for lighting, air conditioning, ventilating and heating; regulating and control devices and equipment for lighting installations and lights, namely, electric light dimmers and electric light switches, and touch panels; lighting ballasts and starters for glow-discharge lamps, electronic transformers, connectors and plug connectors for fiber optic cables, optical fiber cables of glass or plastic fibers for lighting, lenses for focusing light, namely anti-reflective lenses

Lighting installations, devices and equipment and lights, namely, electric lighting fixtures and lamps; fiber optic lighting installations, namely, fiber optic lighting fixtures used in conjunction with electrical illuminators; housings for lighting fixtures; grilles for directing light, namely, lighting tracks and louvers; reflectors and covers for lights, namely, lamp reflectors, lamp shades and covers for light control and guidance diffusers, housings for lighting fixtures and lamps; lamp sockets; lamp hanging supports, namely, suspension pendants for lamps; filters and barrier filters, namely, color filters for use in lighting instruments, filters for photographic, cinematographic, video and performing arts equipment lighting; sockets for electric lights; ventilating installations, devices and equipment, namely, ventilating exhaust fans, ventilation fans for commercial and industrial use, ventilation hoods for stoves, ventilators for commercial and industrial use; devices for directing and guiding air, namely, air blowers and air directing vanes; ventilation grilles for directing air, namely, ventilating louvers; rollers for directing air, namely, air directing rollers; air conditioning installations, devices and equipment, namely, air conditioners, air filters for air condition units and valves for air conditioners; heating installations, devices and equipment, namely, electric heating fans, electric radiators for heating buildings and thermostatic valves

Technical project studies, namely, technical consulation and research in the field of lighting installations, data processing equipment, air conditioning installations, ventilating installations and heating installations; technical design and constructional planning of installations for lighting, air conditioning, ventilating and heating for others; computer programming for others; computer programming for others, namely, programming of computing routines for electronic data processing equipment