Structural Steel Fabricators of Complex Steel Building Structures.

• See also:
• Masterformat 2004
• 21 05 19 - Meters and Gages for Fire-Suppression Systems
• 22 05 19 - Meters and Gages for Plumbing Piping
• 22 12 00 - Facility Potable-Water Storage Tanks
• 23 05 19 - Meters and Gages for HVAC Piping
• 23 37 00 - Air Outlets and Inlets
• 23 37 13 - Diffusers, Registers, and Grilles
• 23 37 23 - HVAC Gravity Ventilators
• 23 51 00 - Breechings, Chimneys, and Stacks
• 23 51 13 - Draft Control Devices
• 23 51 16 - Fabricated Breechings and Accessories
• 23 51 19 - Fabricated Stacks
• 23 51 23 - Gas Vents
• 23 51 33 - Insulated Sectional Chimneys
• 27 30 00 - VOICE COMMUNICATIONS
• 27 50 00 - DISTRIBUTED COMMUNICATIONS AND MONITORING SYSTEMS
• 33 82 00 - Communications Distribution
• Masterformat 1995
• 15120 - Piping Specialties
• 15450 - Potable Water Storage Tanks
• 15550 - Breechings, Chimneys, and Stacks
• 15850 - Air Outlets and Inlets
• 16720 - Telephone and Intercommunication Equipment