01 51 33 - Temporary Telecommunications
11 28 19 - Self-Contained Facsimile Machines
25 37 00.00.01 - Integrated Automation Instrumentation and Terminal Devices for Communications Systems
25 57 00.00.01 - Integrated Automation Control of Communications Systems
25 97 00.00.01 - Integrated Automation Control Sequences for Communications Systems
27 01 10 - Operation and Maintenance of Structured Cabling and Enclosures
27 01 20 - Operation and Maintenance of Data Communications
27 01 30 - Operation and Maintenance of Voice Communications
27 01 50 - Operation and Maintenance of Distributed Communications and Monitoring
27 05 13 - Communications Services
27 05 13.13 - Dialtone Services
27 05 13.23 - T1 Services
27 05 13.33 - DSL Services
27 05 13.43 - Cable Services
27 05 28 - Pathways for Communications Systems
27 05 48 - Vibration and Seismic Controls for Communications Systems
27 05 53 - Identification for Communications Systems
27 06 10 - Schedules for Structured Cabling and Enclosures
27 06 20 - Schedules for Data Communications
27 06 30 - Schedules for Voice Communications
27 06 50 - Schedules for Distributed Communications and Monitoring
27 10 00.00.01 - Structured Cabling
27 11 23 - Communications Cable Management and Ladder Rack
27 13 13.13 - Communications Copper Cable Splicing and Terminations
27 13 23 - Communications Optical Fiber Backbone Cabling
27 13 23.13 - Communications Optical Fiber Splicing and Terminations
27 13 33 - Communications Coaxial Backbone Cabling
27 13 33.13 - Communications Coaxial Splicing and Terminations
27 13 43 - Communications Services Cabling
27 13 43.13 - Dialtone Services Cabling
27 13 43.23 - T1 Services Cabling
27 13 43.33 - DSL Services Cabling
27 13 43.43 - Cable Services Cabling
27 15 00.16 - Voice Communications Horizontal Cabling
27 15 00.19 - Data Communications Horizontal Cabling
27 15 00.39 - Patient Monitoring and Telemetry Communications Horizontal Cabling
27 15 00.43 - Nurse Call and Intercom Communications Horizontal Cabling
27 15 00.46 - Paging Communications Horizontal Cabling
27 15 00.49 - Intermediate Frequency/Radio Frequency Communications Horizontal Cabling
27 15 13 - Communications Copper Horizontal Cabling
27 15 23 - Communications Optical Fiber Horizontal Cabling
27 15 33 - Communications Coaxial Horizontal Cabling
27 21 13 - Data Communications Firewalls
27 22 29 - Data Communications Handhelds
27 30 00.00.01 - Voice Communications
27 31 13 - PBX/ Key Systems
27 31 23 - Internet Protocol Voice Switches
27 32 16 - Wireless Transceivers
27 32 13 - Telephone Sets
27 32 23 - Elevator Telephones
27 32 26 - Ring-Down Emergency Telephones
27 32 36 - TTY Equipment
27 33 16 - Voice Mail and Auto Attendant
27 33 23 - Interactive Voice Response
27 33 26 - Facsimile Servers
27 35 13 - Digital Voice Announcers
27 35 16 - Automatic Call Distributors
27 35 19 - Call Status and Management Displays
27 35 23 - Dedicated 911 Systems
27 42 19 - Public Information Systems
27 50 00.00.01 - Distributed Communications and Monitoring Systems
27 51 13 - Paging Systems
27 51 13.13 - Overhead Paging Systems
27 51 16 - Public Address and Mass Notification Systems
27 52 13 - Patient Monitoring and Telemetry Systems
27 52 16 - Telemedicine Systems
27 52 19 - Healthcare Imaging Systems
27 52 23 - Nurse Call/Code Blue Systems
31 63 29.16 - Cased Drilled Concrete Piers
33 82 13 - Copper Communications Distribution Cabling
33 82 13.13 - Copper Splicing and Terminations
33 82 23 - Optical Fiber Communications Distribution Cabling
33 82 23.13 - Optical Fiber Splicing and Terminations
33 82 33 - Coaxial Communications Distribution Cabling
33 82 33.13 - Coaxial Splicing and Terminations
40 95 33.13 - Cabled Process Control Networks
40 95 33.23 - Fiber Optic Process Control Networks
40 95 33.33 - Wireless Process Control Networks
40 95 63 - Process Control Wireless Equipment
40 95 63.13 - Process Control Wireless Transmitters
40 95 63.16 - Process Control Wireless Receivers
40 95 63.19 - Process Control Wireless Repeaters
