Skip to content


piping shop
piping white
working on pipe
welding pipe piping
worker working on pipe
previous arrow
next arrow

Holly is the only partner you need for your industrial process piping projects. Holly provides comprehensive industrial piping services for new construction, maintenance and repair work.

  • Design and Engineering
  • Shop and Field Fabrication and Assembly
  • New Construction
  • Maintenance and Pipeline Integrity Repairs
  • Tie-ins and Hot-Taps
  • In-Service Welding
  • Pipe-Bending
  • Procurement
  • Large Diameter Pipe Work
  • DOT Piping Construction
  • Terminal and Station Fabrication
  • Hydrostatic Testing
  • Pig Launching and Tracking
  • Pipeline Purging
  • Quality Control (CWI) and Weld-Mapping
  • Sand Blasting
  • Pipe Coatings and Wraps