Educational services, namely, conducting conferences in the field of petroleum and chemical engineering and distribution of course materials in connection therewith

Educational services, namely, conducting conferences in the field of petroleum and chemical engineering and distribution of course materials in connection therewith

Ancillary computer boards, being a mass memory buffer

Computer installation and repair; Installation of computer networks; Installation of computer systems; Maintenance and repair of computer hardware; Maintenance and repair of computer networks; Maintenance of computer hardware; Repair of damaged computers; repair or maintenance of computers; Updating of computer hardware; Upgrading of computer hardware