Bison Historical Services Ltd. was established in 1986 to provide high-quality archaeological expertise to government and industry. During the past 25 years we have completed more than 1,500 studies, and have been involved in some of the largest and most significant archaeological investigations undertaken in Alberta. We provide the full range of services relating to historical resources and the Historical Resource Act (HRA) clearance process, such as Historical Resource Overviews (HROs), Historical Resource Impact Assessments (HRIAs), Impact Mitigation (HRIMs), Palaeontological studies, and First Nations Consultations. Company-wide, Bison Historical Services Ltd. ranks among the top in the industry in terms of total number of successfully completed HRIA and HRIM projects over the past fifteen years. By virtue of its particular size, Bison Historical Services Ltd. is uniquely positioned to conduct studies that range from single-day projects to those covering multiple field seasons and large crews. Bison Historical Services Ltd. is fully COR certified and in full compliance with the safety standards set by ISNetworld and ComplyWorks.