About OSP Contractors

Safety By Choice, Not By Chance

OSP Contractors Inc. has been operating in Sarnia, Ontario since 1994, with zero lost time injuries. 

As general contractors we provide Electrical, Mechanical,  HVAC, Construction, Grounds Maintenance and Engineering Consulting services to all major Petrochemical, Industrial , Commercial and Institutional facilities in Southwestern Ontario and surrounding areas.

Central to the Lambton County area, our location provides us with the strategic ability to deliver services throughout Ontario.

As industry professionals, we strive to provide professional solutions and services with a focus on safety, quality, service and a cost effective approach to our customer’s business needs.  Our business model is built on a skilled, diverse workforce, combined with a progressive continuous improvement program, guided by Regulatory Compliance Standards and Industry Best Practices.

Our company and service values are simple:






“Safety By Choice, Not by Chance” is our slogan and we take it seriously!

A ‘Safety Management Assessment’ is performed annually by an independent safety management company, testing the strength of OSP safety procedures and performance.

We are proud to report that since its inception, we have registered a 100% compliance rating, thanks to the participation and dedication of our safety professionals and management team at OSP.

Our Vision

Our company vision is to be a leading General Contractor.

We will accomplish this goal through safety, quality workmanship and on schedule, on budget through leadership.

By achieving extraordinary results for our clients, we will grow and prosper as a company.

Maintain an injury free workforce through continued training and personal development for the workers.