Tetra Tech Proteus provides best-in-class plant engineering and industrial services to help clients in various industries expand, modernise, operate, and maintain existing facilities.

We foster long-term relationships with our clients, offering cost-effective and reliable project and construction management expertise that creates value for clients at every turn.

Tetra Tech manages engineering-procurement-construction-management (EPCM) services for industrial projects of varying size and complexity, as well as program management and in-plant services.


  • Detailed and preliminary engineering
  • Plans and specifications
  • Mechanical engineering
  • Building services
  • Civil and structural engineering
  • Electrical engineering
  • Automation, instrumentation, and controls
  • Cost and scheduling controls
  • Purchasing
  • Equipment commissioning
  • Construction management
  • EPCM
  • Estimating