Our multidisciplinary team provides consulting engineering services to support industrial clients throughout Canada in maintaining and upgrading their facilities and building new industrial facilities from greenfield sites. In-plant services have been part of Tetra Tech's core business for more than 35 years. Our services span the entire project life cycle—from project conception and development, through detailed design and procurement, to construction, commissioning, and operational optimization.

Our expertise spans all aspects of industrial work and provides the knowledge and flexibility required to work in plants that are in operation, adjusting plans to minimize downtime. In addition to providing in-depth technical expertise to guide projects from inception to completion, we provide temporary resources during peak periods.

Tetra Tech has decades of industrial experience in engineering disciplines including mechanical and piping, electrical, process, civil, structure, and automation and controls. Our services include plant engineering; project management; operation support; program and portfolio management; estimation, planning, and cost control; loan of staff; training; troubleshooting; commissioning; machine guarding; risk analysis; emergency response plan preparation and emergency assistance; and engineering, procurement, construction, and construction management (EPC and EPCM project delivery).

We ensure environmental standards are met or exceeded on every project, while paying strict attention to the health and safety of personnel and neighboring communities. Tetra Tech offers local and real-time service for our clients’ daily operational challenges.

Pulp and Paper

Tetra Tech teams have worked in the pulp and paper industry across Canada for more than 30 years. We provide ongoing support for pulp and paper facilities from troubleshooting to major upgrades including the addition of co-generation equipment. Our services include:

  • Energy audits
  • Process modifications
  • Power system studies and reconfigurations
  • Winder and pulp and paper machine upgrades
  • Stock prep area optimizations
  • Control system upgrades and migrations
  • Safety system instrumentation
  • Power and recover boiler upgrades

Mining and Mineral Processing

We have extensive experience in the metallurgical industry as demonstrated by our long-term relationships with Rio Tinto Alcan, Glencore’s CCR plant, and Teck Metals Trail. We understand the many challenges in a mine’s life cycle and have the resources and local footprint to carry out the most demanding projects. Please visit our mining and mineral processing services page for more information.


For more than 30 years, Tetra Tech has contributed to the success of manufacturing projects by helping improve, upgrade, and optimize manufacturing facilities. Our wide range of services include:

  • Preliminary studies
  • Production systems engineering
  • Industrial engineering
  • Industrial maintenance
  • Project management
  • System automation and integration
  • Risk management
  • Construction and modification

Power Utilities and Cogeneration Facilities

When it comes to optimizing power potential responsibly, Tetra Tech has remained at the forefront of the industry in Canada for more than five decades. We are driven by large-scale projects that enhance quality of life while creating value for all stakeholders. Focusing on long-term partnerships, we continually fine-tune engineering solutions resulting in clean, readily available power for generations to come. This includes more than 30 years performing plant power system studies to provide facilities with additional power generation. These studies generally involve load flow, short circuit, coordination, arch flash, grounding, motor starting, power quality, and harmonics. Our services include:

  • Dam safety
  • Electrical system design
  • Hydropower
  • Offshore energy
  • Run of river studies
  • Safety
  • Transmission and distribution
  • Wind
  • Information and communications technology
  • Overhead powerlines
  • Power generation facility upgrades
  • Substation design
  • Cogeneration facilities (landfill gas, waste heat, and biomass)

Chemical Processing and Refineries

Tetra Tech has a deep understanding of the chemical processes related to operation and design of heavy industrial facilities. As a site-focused design firm, we integrate with our clients’ operations to ensure that we fully understand their challenges and provide innovative solutions using the latest technologies. Areas of expertise include:

  • Chemical handling and storage systems
  • Chemical feed systems
  • Gas, oil gathering, and processing
  • HCL plants
  • Landfill gas
  • Pharmaceuticals
  • Polysilicon
  • Oil sands extraction, treatment, tailings, and SAGD
  • Petrochemicals
  • Refining
  • Solid waste disposal and waste management
  • Water and wastewater treatment