Lean Construction Services
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    • Home
    • our company
      • Our History
      • Our Culture
      • Vision & Values
      • Leadership
      • Safety & Quality
    • Our Services
    • Our Industries
      • Where We Specialize
      • Types of Construction
    • Contact Us
    • Safety Orientation
Lean Construction Services
  • Home
  • our company
    • Our History
    • Our Culture
    • Vision & Values
    • Leadership
    • Safety & Quality
  • Our Services
  • Our Industries
    • Where We Specialize
    • Types of Construction
  • Contact Us
  • Safety Orientation

our history

 “If you always do what you always did, you’ll always get what you’ve always got.” 

– Henry Ford 


We are happy to share where we started and where we've gone so enjoy our full history below!

let's start at the beginning ...

Our Beginning

Our Beginning

Our Beginning

Our parent company Ross & Anglin was founded in Montreal in 1934 by James Ross and Douglas Anglin.

Our Formation

Our Beginning

Our Beginning

In 1962, Theodore Thompson –  a young and talented estimator and project manager – acquired Ross & Anglin. 

Our Location

Our Beginning

Our Location

In 1985, Theodore Thompson with his eldest son Peter Thompson - a young ambitious estimator and project manager - opened our company Ross & Anglin Ontario LTD. in Toronto, ON.

Our Leader

Our Modernization

Our Business

 Shortly after it's inception, Peter Thompson  became the President and leader of Ross & Anglin Ontario Ltd. and has led the organizations growth for 20 years.

Our Business

Our Modernization

Our Business

When Peter's son Tyler Thompson joined the company in 2009, we proudly became a third-generation family business. This father-son duo became the forefront of the organization.  

Our Modernization

Our Modernization

Our Modernization

 In 2018, Chad Thompson, youngest son of Peter, joined the company and the three Thompson's set off on modernizing the industry and growing the business.

Our Concept

Our Concept

Our Concept

The concept of Lean Construction Services was formed after our leaders became trained in Lean Principles and adopted the Lean Culture. 

Our Birth

Our Concept

Our Concept

In April 2021, Ross & Anglin Ontario officially redefined itself as Lean Construction Services. 

New methods. New technology. 

Same Reliability. Same Integrity.

Our Growth

Our Concept

Our Growth

Following the re-brand, Lean Construction Services has worked diligently to align our processes with the international standards of ISO45001 and ISO9001. In 2024, LCS was successfully registered and audited for both ISO45001 and ISO9001 certifications!  

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