Our job is to certify and educate Snowsports Instructors. A certification (Level 1, 2, or 3) from our Association tells your employer or potential employer that you have achieved a high level of professionalism in this field. PSIA-AASI has a National headquarters in Lakewood, Co, that provides direction and oversight to 8 separate Divisions. The Divisions are based on geographic location. PSIA-AASI West covers California and Nevada.