Electrical Contractor (C-13) Mechanical Contractor

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

Subcontractors Water Works General Building & Specialty Contractors (BC) General Engineering & Specialty Contractors (AC) General Engineering, General Building & Specialty Contractors (ABC) Mechanical Contractor Plumbing Sewer & Drain Line Contractor (C-37a) Subcontractors Water Chlorination & Sanitation Contractor (C-37d)

Subcontractors Boiler, Hot-Water Heating & Steam Fitting Contractors (C-4) Mechanical Contractor Pipes & Valves Fittings Pumps Installation Contractor (C-57a)