Company Description

Since the 1930s, KLJ has focused on infrastructure of all types, and for the dynamic oil and gas industry, our full-service engineering company can help you plan and maintain your oil and gas infrastructure. We bring experience and understanding to each project, developing a customized approach to deliver the right solutions each time. Our engineering and support services focus on upstream, construction management, pipeline and midstream, and facilities – just to name a few.


We specialize in engineered well pads, facilities, land surveying, right-of-way agents and teams, and environmental and cultural resources services. Our relationships and understanding of regulatory agencies keep your projects moving forward and on track. From the Bakken to the Permian, we have the experience you need and the name you trust. Learn more at KLJENG.com.


Architects / Engineers

  • Engineering Services
  • Facility Design / Construct
  • Surveying


  • Bridge Contractor
  • Construction Management / Inspection Services
  • Disposal
  • General Contractor / Design Build Contractor / Bridge Contractor
  • Municipal and Hauled Wastewater Treatment
  • Oilfield Construction / Contractors
  • Pipeline Construction
  • Railroad Construction & Maintenance
  • Road Construction / Repair
  • Salt Water Disposal
  • Water Management and Logistics
  • Water Recycle & Reuse


  • Consultants
  • Wind Energy Consulting

Environmental Services

  • Environmental Services
  • GIS / CAD / Data Management and Visualization


  • GIS / GPS Data Collection
  • Permitting
  • Land Development
  • Land

Parks & Recreation

  • Parks & Recreation

Water / Sewage Treatment & Wastewater

  • Water / Sewage Treatment & Wastewater

Professional Services

  • Telecommunications / Internet
  • Government Relations
  • Cultural Resources Services
  • Land Services
  • Professional Services
  • Safety and Risk Management

Reclamation Products

  • Site Specific Solutions for Vegetation
  • Water Treatment


  • Regulatory Compliance Permitting

Safety Equipment and Supplies

  • Traffic Control Signs