ASI is the largest archaeological and cultural heritage consulting firm in Ontario with over thirty years experience in the production and dissemination of knowledge concerning our past. ASI was founded in 1980 in response to increasing public awareness of the importance of the province's heritage. With offices in Toronto and Burlington, we provide a variety of services including both archaeological and built heritage resource/cultural landscape pre-development assessments, large-scale heritage planning studies for municipalities, as well as Stage 4 salvage excavation of archaeological sites.