Primoris Mechanical Contractors

Primoris Mechanical Contractors specializes in the installation of underground hydronic piping systems.

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Primoris Mechanical Contractors, previously Cardinal Mechanical, was founded in 2005 to serve the niche market of installing underground hydronic piping (chilled water, hot water, steam, and condensate) systems. We service a wide variety of Universities, Hospitals, and Private Companies across Texas, Louisiana, and surrounding areas.

Primoris Mechanical Contractors has also built a reputation as a high risk excavation specialist as sophisticated shoring systems are often necessary to allow the installation hydronic systems around existing utilities and buildings.

Additionally, we also assist owners, engineers, and general contractors with value engineering hydronic system designs to ensure that they have both economical and efficient systems.



  • Pressure Piping, Boilers, and Vessels


  • Hydronic Pipeline Installation
  • Specialty Shoring/Excavation Systems


  • Pipeline
  • Water & Wastewater
  • Utilities & Distribution



10405 Technology Terrace
Lakewood Ranch, FL 34211

1010 Country Road 59
Rosharon, TX 77583