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Duphil, Inc. has built strong business relationships with a number of vendors that we partner with periodically on projects. In addition, our company is proud to be a member of a number of outstanding organizations and associations related to the construction industry.

Vendor Partners

  • Point to Point, Inc.
    Providers of drilling/boring services.
  • Weatherford Pipeline
    Providers of cleaning/drying services.
  • Ardent Services
    Providers of electrical/instrumentation services.
  • Janco
    Providers of drilling/boring services .

National Inspection Services, LLC

  • Providers of pipeline inspection services.

Clock Spring

  • Providers of pipeline repair wraps services.


  • ISN
  • HPA (Houston Pipeline Association)
  • SAPA (San Antonio Pipeline Association)
  • TGA (Texas Gas Association)
  • LOGA (Louisiana Oil & Gas Association)
  • GPA (Gas Processing Association)
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