Corporate Overview

Langtree Controls Limited is an innovative provider of instrumentation, electrical and controls engineering solutions for clients across North America and beyond.  Since 1992, we have been combining our in-depth knowledge of modern technology with sound engineering practices to effectively respond to the needs of clients in the petrochemical, food and beverage, municipal and manufacturing industries.

Langtree Controls Limited is a team of talented and motivated individuals who focus on customer satisfaction.   We provide mentors, leading edge training and a healthy work environment in order to retain our employees and their enthusiasm.

Langtree holds a certificate of Authorization from the Association of Professional Engineers of Ontario and is a practicing member of the Institute of Electrical and Electronic Engineers and the Instrument Society of America.

Key Individuals

Langtree Controls is comprised of a dedicated group of individuals that deliver professionalism and technical expertise.

Read More

Zoran Pisic, B.Sc. EE.

Read More

Alpesh Patel, P.Eng.

Principal Controls Engineer
Read More

Craig Allen, P. Eng.

Principal Controls Engineer
Read More

David A. Woodill, P.Eng. P.E.

Principal Instrument/Electrical Engineer
Read More

Vipul Bhavsar, P.Eng, CFSP

Principal Controls Engineer
Read More

Ian Reavill, P.Eng.

Senior Instrument/Electrical Engineer
Read More

Kumar Patel M.Eng, P.Eng.

Senior Instrument/Electrical Engineer
Read More

Hongbin Li, P.Eng., Ph.D.

Senior Instrument/Electrical Engineer
Read More

Robert Lamoureux, P. Eng.

Senior Instrument/Electrical Engineer
Read More

Thiru Kannan P.Eng.

Senior Instrument/Electrical Engineer
Read More

Nigel Ribeiro, P.Eng.

Intermediate Controls Engineer

We are Committed To


We have been successful in developing and retaining highly skilled employees by offering the appropriate training, mentoring and compensation. Langtree's ongoing investment in our staff is one of the largest contributing factors in our success today.

Langtree's projects begin with a sound understanding of our clients' needs and expectations and end with a successful project and satisfied clients. Meeting and exceeding our clients' expectations is always our goal.


We focus on maximizing productivity, improving safety, reducing costs and minimizing down time.



Our sustainability program aligns our employees, suppliers, clients and community around a single goal - to engineer a sustainable future by protecting the environment and conserving natural resources.

We use the latest technology, innovative work practices and continuous training to provide leadership in the the industry.



Langtree Controls Limited has a Certificate of Authorization from the Association of Professional Engineers of Ontario to practice Professional Engineering in Ontario.

In addition Langtree Controls  Limited has Permit to Practice with the Association of Professional Engineers and Geoscientists of Alberta (APEGA), Association of Professional Engineers & Geoscientists of Saskatchewan,  Engineers Nova Scotia, and the Michigan Society of Professional Engineers (NSPE-MI)

  • Compliant with all requirements for IEC safety audits
  • We have logged over 1.75 million man hours without lost time or recordable incidents
  • Rockwell System Integrator
  • GE Fanuc Solution Provider
  • Many employees are long standing members of IEEE and ISA
  • Members of Avetta, Complyworks, ISNetworld, and ARIBA network


Langtree Controls Limited was established in Sarnia, Ontario, Canada in 1992 to offer engineering expertise in the disciplines of Instrumentation, Electrical and Process Control & Automation.

Langtree Controls Limited was founded by 3 partners:  Noel Lambe (La), Jonathan Wong (ng), Wes Trevail (Tree).

Langtree Controls Limited began with a small office of 3 serving the local petrochemical industry and now employs over 60 engineers, technologists and designers who serve clients all over the world – from Colombia, South America, China, Malaysia, Europe and all across North America.


Get Directions

  show options