With over 80 years of combined experience, let us be your Engineering Department. Oakridge Engineering Inc. is proud to continue the legacy of Tiry Engineering Inc. and we shall strive to continue to offer the same quality product you have come to expect. Our team of knowledgeable engineers and technicians will give you confidence as we work out the best options for your site. Our work is typically site specific and a good design makes all the difference. Whether you are expanding your landfill, dairy, pond, sand mine, or developing a commercial site, we will gain your trust and add knowledge and experience to your construction team. Read more about our registrations, licenses, associations, and history.