With over 3,000 completed projects world-wide and many with Canadian historical significance, Adjeleian Allen Rubeli Limited is one of Canada’s leading structural engineering firms. Since 1955 we have provided a comprehensive range of services that, in recent years, has included the design of structures for building projects that exceed $500 million in construction value annually. Internationally, the firm continues to be at the forefront of structural engineering technology. Our experienced staff can simultaneously take on both large and small projects in either the Ottawa or Toronto office. Adjeleian Allen Rubeli Limited—Setting the standard for professional, efficient and cost effective structural engineering.