At LS, we foster a spirit of mutual assistance, transparency, professionalism and safety among our employees. With more than 35 trucks and 200 employees, we are proud to be able to say that we are among the top 300 SMEs in Quebec.


Sylvain Sergerie

Partner, President

Dany Lepage

Partner, Vice-president estimation department and turn-key projects

Daniel Valiquette

Partner, Vice-president HVAC Operations

Michel Baron

Partner, Vice-president Refrigeration and service