Tetra Tech Proteus offers environmental, engineering, and construction solutions in all areas of the natural resource spectrum. We are a leading provider of mineral resource engineering and technical support services for mining clients around the world.

Our oil and gas experience includes delivery, refining, processing, chemical and petrochemical services, pipelines and terminals, and cogeneration projects. We also provide best-in-class plant engineering and industrial services to help clients expand, modernise, operate, and maintain existing facilities.

Some of our speciality areas include:

  • Industrial
  • Industrial hygiene sciences
  • Mining and minerals
  • Oil and gas


  • Exploration program development
  • Resource development
  • Environmental studies and permitting
  • Scoping studies
  • Prefeasibility and feasibility studies
  • Engineering, procurement, construction, and construction management
  • Sustaining capital improvements
  • Closure and reclamation
  • World-class compaction practices
  • Brine disposal and injection
  • Wet milling and flotation
  • Hoisting
  • Equipment selection
  • Material handling
  • Mill and mine ventilation
  • Design of underground crushing and conveying systems, screening, crushing, storage, and loading and unloading facilities