As the largest independent road construction company in Calgary, Alsa is regarded as a premium road building contractor. Not ... only do we have the expertise to complete multimillion dollar projects, but we’re also willing and able to service customers that need a pothole filled. As a leading contractor in the City of Calgary, we are one of only a few Road Construction contractors pre-qualified and indemnified with the City. We believe that building a great city doesn’t stop at constructing roads and sidewalks, but it also includes protecting the environment, supporting the arts, and giving to the various charities that need our support. This is important to us, and it’s a part of a value system that we live and adhere to. read more