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Industrial, Chemical, Oil & Gas

For over 60 years, Dashiell Corporation has provided specialized high and medium voltage engineering, construction, and testing services to the oil and gas market for customers that own and operate their own high voltage electrical systems.

Our capabilities include engineering, design, purchasing, project management, construction, testing, and start-up. We work closely with our clients to provide these “turnkey” services for the design and installation of high-voltage substations, switchyards, and transmission lines. Dashiell Corporation delivers these services on a nationwide basis.

A full list of our services for this market are listed below:


  • Engineering Services for Turnkey Projects
  • Transmission Line Engineering
  • Transmission Line Studies
  • Substation and Switchyard Engineering
  • Foundation & Site Design

Field Services – Acceptance and Maintenance Testing

  • HV & MV Testing and Maintenance
  • Acceptance Testing and Start-up
  • Substation Maintenance
  • Technical Studies and Design Standards
  • 24/7 Emergency Services

Project Management

  • Project and Safety Coordination
  • Quality Assurance / Quality Control
  • Subcontract and Material Purchasing
  • Equipment Expediting and Inspections
  • Schedule and Progress Reporting


  • Site Coordination Expediting and Inspection
  • Substation Distribution and Transmission Line
  • Medium Voltage Cable Installations
  • Equipment Installation
  • Foundation Installation

Locations Served

Alabama, Arkansas, Arizona, California, Colorado, Connecticut, Florida, Georgia, Iowa, Idaho, Illinois, Kansas, Kentucky, Louisiana, Maine, Massachusetts, Missouri, Mississippi, Nevada, Nebraska, New Mexico, Nevada, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Wyoming.

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