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     Department of Public Works
     St. Louis County Government
     41 S. Central Avenue, 6th Fl.
     Clayton, MO 63105
     Phone: (314) 615-5184
     Fax: (314) 615-7085
     TTY: (314) 615-3748
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    Contractor Lists

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    Communication Contractors - Licensed in St. Louis County

    Electrical Contractors - Licensed in St. Louis County

    Plumbing - List of Licensed Contractors

  • Licensed Master Plumbers
  • Licensed Master Drainlayers

    • Mechanical - List of Licensed Contractors

  • Licensed Manufacturer Restricted Contractors
  • Licensed Mechanical ASME-NBBPVI Certified Contractors
  • Licensed Mechanical Contractors
  • Registered Financial Responsible Contractors

    • Qualified Licensed Plumbers/Drainlayers for the Sewer Lateral Repair Program

    Qualified Licensed Plumbers/Drainlayers for the Water Lateral Repair Program