Complete Process System Installation

Delivering Complex Process Systems with Precision, Quality, and Speed

Harder Mechanical is one of the largest contractors in the United States. We specialize in the installation of process systems used in all major industrial manufacturing industries. Our-state-of-the-art fabrication facilities, latest BIM technology, and industry leading project control systems all support the largest core group of the most highly skilled craft and supervision in our  industry.

With tools unique to Harder and over 250 ASME qualified welding procedures for virtually every type of process piping material. We can assure the highest quality system installation.

Complete Process Services

  • All civil and foundation work for pipe, steel, and equipment
  • API-653 Tank Repairs
  • Civil work for all mechanical projects
  • Containment projects
  • Demo projects – piping, soils, tanks
  • Dock piping for barge offloading
  • Erection of all steel to support process system installations
  • Fuel oil tank and piping upgrades
  • Installation of all material conveying equipment
  • Installation of all robotic material handling equipment
  • Line repair & hydro testing
  • Loading rack piping
  • Pipe fabrication
  • Pipeline pigging
  • Pipeline station upgrades
  • Platforms & crossovers
  • Process tool hook up
  • Pump & filter installations
  • Rigging and installation of process equipment
  • Poured in place concrete
  • Steel erection
  • Water treatment systems
  • Precision alignment of complex rotating equipment
  • Ultra-high purity waters
  • Shutdowns

Additional Services

Design & Engineering

Whether you need a true design-build partner or require design-assist services, our flexibility and expertise ensure the highest level of quality in both the design and construction phases. No matter the scope of your project, our design and engineering services are designed to support your success every step of the way.

Virtual Design & Construction

We leverage cutting-edge BIM and VDC technologies to bring your projects to life with unparalleled accuracy. Our experienced in-house team utilizes tools like AutoCAD Plant 3D and Navisworks for detailed modeling and clash detection, ensuring seamless coordination and minimizing costly errors.

Let’s Chat

Looking for mechanical construction services? Not sure where to start? We’re here to help.

Let’s Chat

Looking for mechanical construction services? Not sure where to start? We’re here to help.