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

President, associate

Maurice Péladeau

Vice‐President, associate

Pierre Guay

Director of financial services, associate


Official Mascot


icon Installation

Dany lepage

Project manager in ventilation, associate

Daniel Valiquette

Project manager in ventilation, associate

Jonathan Lebeau

Refrigeration director, construction, associate

icon Maintenance/Service

Michel baron

Director of services, associate

Christian Larochelle

Warehouse manager

icon Design

Alain Larocque, eng.

Director of design in air conditionning, construction

Yvon Orban, eng.

Project manager and Director of St-Jerome branch

Éric Crousset, eng.

Design engineer in refrigeration

Guy Dubuc

Head Designer

icon Sales

Marc-André Ravary, eng.

Business Development