Telecommunication services, namely, execution and maintenance of telecommunications systems, equipment and components for broadcast, transmission and reception of any kind of information between individuals, whether it is a signal, the sound or the pictures, by mechanical, electrical, magnetic and optical means, as well as the provision of value added services to said telecommunications

Scientific, surveying, electric, photographic, cinematographic, optical, measuring, signaling, checking and lifesaving apparatus and instruments, namely, glass tubes for scientific purposes, test tubes, solenoid valves, timing sensors, rechargeable electric batteries, integrated circuits, digital cameras, disposable cameras, photographic cameras, motion picture cameras, video cameras, binoculars, telescopes, speedometers, thermostats, thermometers not for medical use, barometers, gas meters, ...

Building construction; repair services, namely, building repair, radio repair of telecommunication networks, satellite dish repair, antenna repair and computer repair; installation services, namely, installation of computers and of telecommunication networks, satellite dish installation, antenna installation, installation of telephone lines

Education services, namely providing courses in the field of telecommunication networks, providing of training in the field of telecommunications, entertainment in the nature of animation production services, multimedia entertainment software production services, music production services, production and distribution of motion pictures, production of radio, television and cable emission programs, audio recording and production; organizing cultural events

Scientific and industrial research services of studies, reports, technical projects evaluations, and estimations; programming, development, creation and design of web sites for others; services of providing online computer databases featuring information in the field of installation and maintenance of computer software, computer software design and development, engineering, geology, industrial design and product safety testing