Welding and Fabrication

Our 35,000 square foot modern shop allows us to be the preferred welding and fabrication services source for our customers. Our welding reputation is built upon excellent customer service, quality, speed of delivery and superior technical welding experience. We can accurately and quickly weld almost any manufacturing design.

Our quality control department, comprised of Welding Engineers and AWS-Certified Welding Inspectors ensures every welded component meets specification. Welding and fabrication services include:

● Field Fabrication

● Shop Fabrication (R-Stamp)

● Specialty and Alloy Welding

● Pipeline Integrity Repairs

● Hot-Taps

● Pipe and Structural Welding

● SMAW, GTAW, FCAW, GMAW Welding Processes

● DOT Qualified Welders

● Welding Engineers and AWS CWI’s on staff


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