Cabinet, Millwork, & Carpentry Remodeling & Repairs Contractor (C-5) Carpentry Framing Contractor (C-6) Cement Concrete Contractor (C-31a) Construction Management Consultants Consultants (Construction) Design-Assist Drywall Contractor (C-12) General Contractor (B) General Engineering (A) General Engineering, General Building & Specialty Contractors (ABC) Painting & Decorating Contractor (C-33) Pre-Construction Services

General Engineering (A)

Concrete Forming Concrete Rehabilitation Crane & Rigging Ductile Iron Pipe Fittings, Valves, Hydrants Fabricated Metals General Engineering & Specialty Contractors (AC) General Engineering (A) Industrial Equipment Mechanical Contractor Metal Buildings Pipes & Valves Fittings Pumps Installation Contractor (C-57a) Sewer & Drain Line Contractor (C-37a) Sewer, Sewage Disposal, Drain, & Pipe Laying Contractor (C-43) Structural Steel Contractor (C-48) Valve Repair Valves/Pumps Waste Treatment Systems Waste Water Equipment

General Engineering, General Building & Specialty Contractors (ABC) General Engineering (A) General Contractor (B) General Contractors

Cesspool Contractor (C-9) Cement Concrete Contractor (C-31a) Asphalt Concrete Patching, Sealing, & Striping Contractor (C3a) Injection Well Contractor (C-57b) General Engineering, General Building & Specialty Contractors (ABC) General Engineering (A) General Engineering & Specialty Contractors (AC) Excavating, Grading & Trenching Contractor (C-17) Sitework Sidewalks Sewer, Sewage Disposal, Drain, & Pipe Laying Contractor (C-43) Sewer & Drain Line Contractor (C-37a) Reinforced Steel Contractor (C-41) Pipes & Valves Fittings Pile Driving, Pile & Caisson Drilling & Foundation Contractor (C-35) Ornamental, Guardrail, & Fencing Contractor (C-32) Masonry Contractor (C-31) Stone Masonry Contractor (C-31b) General Contractors

General Engineering (A) Excavating, Grading & Trenching Contractor (C-17) Sewer, Sewage Disposal, Drain, & Pipe Laying Contractor (C-43) Plumbing Contractor (C-37) General Contractors

General Engineering (A) General Contractor (B) General Contractors

Construction Equipment Rental & Sales Chain Link Supplier Chain Link Manufacturer Cement Concrete Contractor (C-31a) Asphalt Paving & Surfacing Contractor (C-3) Asphalt Concrete Patching, Sealing, & Striping Contractor (C3a) Air Conditioning Equipment Supplier & Products Highway Signs Highway Guardrail Guardrail General Engineering (A) General Engineering & Specialty Contractors (AC) Gas Monitors Fire Protection & Burgular Alarm Product Supplier Fencing Contractor Fence Supplies Fall Protection Erosion Control Material Sales Sign Contractor (C-14) Sealants Safety Equipment Reinforced Steel Contractor (C-41) PPE Paving Pavement Striping/Marking Contractor Ornamental, Guardrail, & Fencing Contractor (C-32) Ornamental Guardrail & Fencing Supplier Lighting Services/Supplies Ventilation & Air Conditioning Supplier & Services Steel Products Supplier Sound Vibration & Seismic Control General Contractors Barricade Rental Builders Hardware & Specialties Building Materials Supplier Commercial Equipment Sales & Rental Concrete Detectable Warning Panels Concrete Rehabilitation Concrete Restoration Construction Fabrics Supplier Construction Material Supplier Detectable Warning System Distributor Environmental Product Sales Erosion Control Material Supplier Graphics, Printing, Signs services Institutional & Commercial Equipment Contractor (C-25) Institutional & Industrial Equipment Sales Rental Supplier Landscaping Contractor (C27) Masonry Contractor (C31) Metal Buildings Metal Buildings, Roofing & Siding Supplies Playcourt Surfacing Contractor (C3b) Safety Equipment Supplier Safety Products Supplier Striping & Pavement Markings Surface Treatment Contractor (C-33C) Traffic Control Products

Commercial Furnishings Classified Specialist (C-68) Cabinet, Millwork, & Carpentry Remodeling & Repairs Contractor (C-5) Asphalt Paving & Surfacing Contractor (C-3) Artificial Turf Installation (C-68FF) Landscaping Contractor (C-27) Institutional & Commercial Equipment Contractor (C-25) General Engineering, General Building & Specialty Contractors (ABC) General Engineering (A) General Contractor (B) Furniture Flooring Contractor (C-21) Seating Prefabricated Buildings (C-68mi) Playground Equipment Playcourt Surfacing Contractor (C3b) Ornamental, Guardrail, & Fencing Contractor (C-32) Masonry Contractor (C-31) Manufacturer's Representative Subcontractors Synthetic Field Surface-68FF

Drywall Contractor (C-12) Cesspool Contractor (C-9) Cement Concrete Contractor (C-31a) Carpentry Framing Contractor (C-6) Cabinet, Millwork, & Carpentry Remodeling & Repairs Contractor (C-5) Building Moving & Wrecking Contractor (C-24) Asphalt Paving & Surfacing Contractor (C-3) Aluminum & other Metal Shingles Contractor (C-42a) Irrigation & Lawn Sprinkler Contractor (C-37b) Institutional & Commercial Equipment Contractor (C-25) Injection Well Contractor (C-57b) General Engineering (A) General Engineering & Specialty Contractors (AC) General Contractor (B) Excavating, Grading & Trenching Contractor (C-17) Solar Energy Systems Contractor (C-61) Sewer, Sewage Disposal, Drain, & Pipe Laying Contractor (C-43) Sewer & Drain Line Contractor (C-37a) Pumps Installation Contractor (C-57a) Prefabricated Buildings (C-68mi) Post Tensioning Contractor (C-38) Pile Driving, Pile & Caisson Drilling & Foundation Contractor (C-35) Ornamental, Guardrail, & Fencing Contractor (C-32) Masonry Contractor (C-31) Wood Shingles & Shakes Contractor (C-42b) Wood & Vinyl Fencing Contractor (C-32a) Welding Contractor (C-56) Swimming Pool Contractor (C-49) Steel Door Contractor (C-48a) General Contractors

Civil Engineering Cement Concrete Contractor (C-31a) General Engineering (A) Excavating, Grading & Trenching Contractor (C-17) Sitework Sewer & Drain Line Contractor (C-37a) General Contractors

Crane & Rigging General Engineering (A) General Contractor (B) Sitework Pile Driving, Pile & Caisson Drilling & Foundation Contractor (C-35) General Contractors

Drywall Contractor (C-12) Cement Concrete Contractor (C-31a) Carpentry Framing Contractor (C-6) Cabinet, Millwork, & Carpentry Remodeling & Repairs Contractor (C-5) Asphalt Paving & Surfacing Contractor (C-3) Aluminum & other Metal Shingles Contractor (C-42a) General Engineering (A) Excavating, Grading & Trenching Contractor (C-17) Scaffolding Contractor (C-10) Wood Shingles & Shakes Contractor (C-42b) Wood & Vinyl Fencing Contractor (C-32a) General Contractors

Design-Build Concrete Restoration Concrete Rehabilitation Concrete Products Concrete Cutting, Drilling, Sawing, Coring, & Pressure Grouting Contractor (C-31e) Cement/Concrete & Accessories Supplies Cement Concrete Contractor (C-31a) Acoustical & Insulation Contractors (C-1) General Engineering (A) General Contractor (B) Erosion Control Material Supplier Erosion Control Material Sales Scaffold Sales & Rental Safety Products Supplier Safety Equipment Supplier Safety Equipment Safety & Health Consulting Services Roofing Products Supplier Roofing Contractor (C-42) Plastering Contractor (C-36) Masonry Contractor (C-31) Subcontractors Waterproofing Products Supplier Waterproofing Contractor (C-55) Urethane Foam Contractor (C-42e)

General Engineering (A) General Contractors