Drafting 03 10 00 Concrete Forming and Accessories

07 00 00 Thermal & Moisture Protection 07 20 00 Thermal Protection 07 40 00 Roofing and Siding Panels 07 46 00 Siding 07 50 00 Membrane Roofing 07 60 00 Flashing and Sheet Metal 07 70 00 Roof and Wall Specialties and Accessories

Suppliers & Service Providers Road Oil and Asphalt Supply

Certification/Training Construction Software Consultants Document Management Information Technology 33 46 00 Stormwater Management

Highway Contractor Utility Contractor Industrial Contractor Design Build 31 10 00 Site Clearing 31 22 00 Grading 31 23 00 Excavation and Fill 31 40 00 Shoring and Underpinning 31 50 00 Excavation Support and Protection 31 62 00 Driven Piles 32 30 00 Site Improvements 32 31 00 Fences and Gates 32 32 00 Retaining Walls 33 10 00 Water Utilities 33 16 00 Water Utility Storage Tanks 33 30 00 Sanitary Sewerage 33 40 00 Stormwater Utilities

General Contractors & Specialty Contractors Highway Contractor Rock/Gravel/Sand 31 05 16 Aggregates for Earthwork 31 22 00 Grading 32 05 16 Aggregates for Exterior Improvements 32 10 00 Bases, Ballasts, and Paving 32 17 00 Paving Specialties

09 20 00 Plaster and Gypsum Board 09 50 00 Ceilings 09 70 00 Wall Finishes 09 72 00 Wall Coverings

Division 21 - Fire Suppression 10 44 00 Fire Protection Specialties 21 00 00 Fire Suppression

Division 31 - Earthwork Highway Contractor Utility Contractor Construction Management 01 45 00 Quality Control 02 00 00 Existing Conditions 02 41 00 Demolition 02 50 00 Site Remediation 02 60 00 Contaminated Site Material Removal 02 80 00 Facility Remediation 31 00 00 Earthwork 31 05 16 Aggregates for Earthwork 31 10 00 Site Clearing 31 20 00 Earth Moving 31 22 00 Grading 31 23 00 Excavation and Fill 31 23 19 Dewatering 31 25 00 Erosion and Sedimentation Controls 31 30 00 Earthwork Methods 31 40 00 Shoring and Underpinning 31 50 00 Excavation Support and Protection 31 62 00 Driven Piles 31 63 00 Bored Piles 31 70 00 Tunneling and Mining 31 71 00 Tunnel Excavation 31 71 16 Tunnel Excavation by Drilling and Blasting 33 80 00 Communications Utilities 34 40 00 Transportation Signaling and Control Equipment 34 70 00 Transportation Construction and Equipment 34 71 00 Roadway Construction 34 71 13 Vehicle Barriers 34 80 00 Bridges

Building Contractor 03 00 00 Concrete 03 31 00 Structural Concrete 03 40 00 Precast Concrete

Construction Management Steel Erection Steel Fabrication 04 50 00 Refractory Masonry 07 20 00 Thermal Protection

Architects Engineers

Division 22 - Plumbing Division 23 - Heating, Ventilating, and Air Conditioning Division 33 - Utilities Division 35 - Waterway and Marine Construction Division 40 - Process Interconnections Division 44 - Pollution and Waste Control Equipment Specialty Contractor

Consultants Engineers Geophysical Investigations Materials Testing Quality Control Testing/Inspecting Services 01 45 00 Quality Control 02 50 00 Site Remediation 02 80 00 Facility Remediation

Rentals/Sales/Equipment Safety Products and Supplies Traffic Control 01 55 26 Traffic Control 01 56 00 Temporary Barriers and Enclosures 10 14 53 Traffic Signage

Utility Contractor 33 70 00 Electrical Utilities

Suppliers & Service Providers Building Contractor Highway Contractor Trucking and Hauling 03 00 00 Concrete

02 00 00 Existing Conditions 02 41 00 Demolition 02 50 00 Site Remediation 02 60 00 Contaminated Site Material Removal 02 80 00 Facility Remediation