Building Material Suppliers Chemical Suppliers Equipment Rental and Supply Highway Contractor Mobile/Trailer Offices Parking Lot Maintenance Safety Supplies 02 50 00 Site Remediation 03 01 00 Maintenance of Concrete 03 10 00 Concrete Forming and Accessories 07 10 00 Dampproofing and Waterproofing 07 18 00 Traffic Coatings 07 50 00 Membrane Roofing 10 14 53 Traffic Signage 31 22 00 Grading 31 25 00 Erosion and Sedimentation Controls 32 16 00 Curbs, Gutters, Sidewalks, and Driveways 32 17 00 Paving Specialties 32 18 00 Athletic and Recreational Surfacing 32 30 00 Site Improvements 32 32 00 Retaining Walls 33 16 00 Water Utility Storage Tanks 34 71 00 Roadway Construction Division 35 - Waterway and Marine Construction

13 00 00 Special Construction Division 35 - Waterway and Marine Construction

Construction Management Division 02 - Site Construction Division 05 - Metals Division 35 - Waterway and Marine Construction Industrial Contractor Steel Fabrication

Building Contractor Construction Management Design Build General Contractors & Specialty Contractors Industrial Contractor 03 00 00 Concrete 34 40 00 Transportation Signaling and Control Equipment Division 35 - Waterway and Marine Construction

05 50 00 Metal Fabrications Division 31 - Earthwork 31 00 00 Earthwork 34 71 00 Roadway Construction 34 71 13 Vehicle Barriers 34 80 00 Bridges Division 33 - Utilities Division 35 - Waterway and Marine Construction 03 00 00 Concrete

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

03 30 00 Cast-in-Place Concrete 03 31 00 Structural Concrete 05 50 00 Metal Fabrications 21 00 00 Fire Suppression 21 40 00 Fire Suppression Water Storage 22 11 00 Facility Water Distribution 26 05 83 Wiring Connections Division 35 - Waterway and Marine Construction Industrial Contractor Steel Erection Steel Fabrication

Building Contractor Highway Contractor Utility Contractor 31 00 00 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 32 30 00 Site Improvements 34 80 00 Bridges Division 33 - Utilities Division 35 - Waterway and Marine Construction

13 34 00 Fabricated Engineered Structures 31 62 00 Driven Piles 34 70 00 Transportation Construction and Equipment Division 35 - Waterway and Marine Construction Manufacturing Rentals/Sales/Equipment Steel Fabrication Trucking and Hauling

Highway Contractor 31 00 00 Earthwork 31 20 00 Earth Moving 31 22 00 Grading 31 62 00 Driven Piles 34 71 00 Roadway Construction 34 80 00 Bridges Division 35 - Waterway and Marine Construction

Developers Division 01 - General Requirements Division 11 - Equipment Division 31 - Earthwork Division 32 - Exterior Improvements Division 33 - Utilities Division 34 - Transportation Division 35 - Waterway and Marine Construction

Division 31 - Earthwork Division 32 - Exterior Improvements Division 33 - Utilities Division 34 - Transportation Division 35 - Waterway and Marine Construction Building Contractor Construction Management Design Build General Contractors & Specialty Contractors Highway Contractor Industrial Contractor Residential/Multi Family Contractor Specialty Contractor Utility Contractor

31 10 00 Site Clearing 31 30 00 Earthwork Methods 31 62 00 Driven Piles 33 10 00 Water Utilities 33 30 00 Sanitary Sewerage 34 80 00 Bridges Division 35 - Waterway and Marine Construction Industrial Contractor Utility Contractor