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News & Announcements

  • New Fittings Import Price List Available On-Line 10/22/2018
  • Largest Tournament Yet! 10/18/2018
  • Pricing Changes in response to the Tariff action under US Section 301 on products from China 09/24/2018
Sigma Co Celebrating 30 Years

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Piping Products

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Drainage Solutions

  • Hydrotec Fiber Reinforced Concrete Trench Drains
  • Polylok Trench Drains & Drainage Products
  • Steel Trench Drains
  • Stainless Steel Trench Drains
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Waterworks Products

  • Accessories
  • Extended Products
  • Fabricated Products
  • Fittings
  • HDPE Products (Raven)
  • Municipal Castings
  • Pipe Restraint Products
  • Treatment Plant Division
  • SIGMA Line Card

Piping Products

  • Fire Protection Products
  • Plumbing Products
  • New Products

Drainage Solutions

  • Hydrotec Concrete Trench Drains
  • Polylok Trench Drains
  • Steel Trench Drains
  • Trench Drain Line Card
  • Trench Drain Case Studies

Price Lists

  • Waterworks Price Lists
  • Piping Products Price Lists
  • All Other Price Lists

SIGMA E-News Archives

  • 2017 E-News Archive
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Engineering

  • Certificates
  • FM/UL Approvals
  • Submittal Requests
  • Restraint Calculator Tool
  • Technical Support
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