Roofing contractors speciaqlizing in educational facilities, industrial complexes, commercial establishments, health institutions, residential communities, religious organizations, hospitality concerns and government agencies.

• See also:
• Masterformat 2004
• 26 56 13 - Lighting Poles and Standards
• 27 00 00 - COMMUNICATIONS
• 27 30 00 - VOICE COMMUNICATIONS
• 27 50 00 - DISTRIBUTED COMMUNICATIONS AND MONITORING SYSTEMS
• 27 51 16 - Public Address and Mass Notification Systems
• 33 71 13 - Electrical Utility Towers
• 33 71 16 - Electrical Utility Poles
• 33 71 19 - Electrical Underground Ducts and Manholes
• 33 81 00 - Communications Structures
• 33 81 16 - Antenna Towers
• 33 81 19 - Communications Utility Poles
• 33 81 26 - Communications Underground Ducts, Manholes, and Handholes
• 33 82 00 - Communications Distribution
• Masterformat 1995
• 02580 - Electrical and Communication Structures
• 16700 - Communications
• 16720 - Telephone and Intercommunication Equipment
• 16820 - Sound Reinforcement