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TBT Engineering Limited

Consulting Engineer || Engineering

About TBT Engineering Limited

TBT Engineering Limited (TBTE) is Northwestern Ontario’s premier consulting engineering company. Originally established in Thunder Bay in 1969, TBTE currently employs over 150 full time professional and technical staff and as many as 50 additional seasonal staff, serving public and private clients across a diverse range of industries and sectors.  In October 2015, TBTE acquired Profor Engineering Services Limited, adding Mechanical and Electrical Engineering Consulting disciplines to the firm. In 2017 TBTE acquired the legal survey assets of EXP Consulting in Fort Frances and Dryden and in 2019 the legal survey records of Ross Johnson in Kenora.

TBTE has established numerous partnerships with Indigenous communities, including Anishnabek Technical Services our JV Partnership with White Lake Limited Partnership.  TBTE has a Participation Agreement with Supercom Industries for work on the East West Tie (Power Transmission Line) and arrangements with Pic River FN, and Red Rock I.R.  Formal partnerships have been created as Ozaanaman Engineering GP/LP and Washteh GP/LP, and Memoranda of Understanding (MOU’s) have been developed with Papasay Management Limited Partnership (BNA – Sand Point FN) as well as Pawgwasheeng EDC (Pays Plat FN).

As a proven industry leader, TBTE works in conjunction with all our rights-holders to properly plan, design and execute all types of projects. Our primary sectors are Infrastructure, Education, First Nations, Government, Mining, Energy, & Transportation Services. TBT Engineering is licensed to practice in Ontario.

Capabilities (Core Competencies and Services):

Environmental, EA’s ESA’s DSS Geotechnical Inspection Services
Conceptual Design Scheduling & Costing Certified Commissioning
Feasibility Studies Mechanical Transportation
Detailed Design Electrical Geological Services
Client Consultation Structural Energy Audits
Tendering and Award Project Management Condition Assessments
Contract Administration Legal & Construction Surveys Sustainable Designs
Physical Reporting Drilling Services LEED Coordination
Financial Reporting Materials Testing Radon Gas Specialists


  • Liana Frenette, B.A. B.Ed. – Chief Executive Officer
  • Robert J. Frenette, P.Eng. – President

Senior Management:

  • Scott Peterson, P. Geo., – Vice President of Professional Services
  • Gord Maki, P.Eng., – Vice President of Engineering Services
  • Doug Otto, C.E.T., – Vice President of Technical Services
  • Franco Gorenszach, P. Eng., – Vice President of Building Science

Divisional Management:

  • Gary Thoms, P.Eng., Highway Engineering Division Manager
  • Doug Steele, M.Sc., Environmental Services Division Manager
  • Franco Gorenszach, P.Eng., Electrical Division Manager
  • Dave Shalley, P. Eng., LEED AP – Mechanical Division Manager
  • Mika Vanhapelto, PMP, Industrial Division Manager
  • Eric Mickelson, P. Eng., M.Eng., Structural Division Manager
  • Don Bowes P.Eng., Municipal Division Manager
  • Ernie Krause, CET, Field Services Division Manager
  • Forch Valela CET, Laboratory Services Manager
  • Peter de Hann, OLS, Legal Surveys Division Manager
  • Chris Zappe, C.Tech, Engineering Surveys Division Manager
  • Jamie Clements CET, Drilling Services Manager
  • David McCallum, CAD Manager
  • John Nuorala, A.Sc.T., Construction Contract Administration Manager
  • D.J MacKintosh, P.Eng., Manager, Fort Frances Office

Project Managers:

  • Brian Aho, CET, – Senior Project Manager

TBT Engineering Awards and Notable Accomplishments

2019      RBC Innovative Project of The Year Award
2019      Canada’s Top Small and Medium Employers Award

2018     Thunder Bay Chamber Business Excellence Award – Large
2016      Lakehead University Alumni HONOUR AWARD
2015      Chatelaine W100 Top Female Entrepreneurs Award (Liana Frenette)

2012      United Way Award of Merit (TBT Engineering)
2011      Northern Ontario Business Award – Large Business (NOBA)



Contact Name: Liana Frenette
Job Title: CEO
Email Address: info@tbte.ca
Phone Number: 807-624-5160


Office Address

1918 Yonge Street
Thunder Bay, ON
P7E 6T9, Canada