37 MANUFACTURING, INSTALLING AND REPAIRING TELECOMMUNICATION, SECURITY, LIFE SUPPORT, ELECTRICAL, AUDIO AND CABLE MANAGEMENT SYSTEMS TO THE ORDER AND/OR SPECIFICATION OF OTHERS
38 TELECOMMUNICATION, AUDIO AND CABLE MANAGEMENT SYSTEMS CONSULTING SERVICES
42 DESIGNING TELECOMMUNICATION, SECURITY, LIFE SUPPORT, ELECTRICAL, AUDIO AND CABLE MANAGEMENT SYSTEMS TO THE ORDER AND/OR SPECIFICATION OF OTHERS