Mr. Heywood has provided Ski Safety and Risk Management Consultation/Training, Litigation Consultation, Expert Witness Services, Avalanche Mitigation Consultation and/or Training/Instruction to and or on behalf of the following clients. (partial list)
| Alpental Ski Resort, Washington | Elk Mountain Ski Area, Pennsylvania | Silver Mountain Ski Resort, Idaho |
| Alpine Meadows Ski Resort | Grouse Mountain Ski Area, British Columbia | Ski Butternut Ski Resort, Massachusetts |
| Alta Ski Resort, Utah | Heavenly Valley Ski Resort | Ski Cooper Ski Resort, Colorado |
| Alyeska Ski Resort, Alaska | Homewood Mountain Resort, California | Ski Liberty Ski Resort, Pennsylvania |
| American Avalanche Association | Hunter Mountain Ski Resort, New York | Ski Roundtop Ski Resort, Pennsylvania |
| Arapahoe Basin Ski Resort, Colorado | Jiminy Peak Resort, Massachusetts | Ski Windam Ski Resort, New York |
| Aspen/Snowmass Resort, Colorado | Keystone Ski Resort, Colorado | Snow Basin Ski Resort, Utah |
| Bear Mountain Ski Resort, California | Kirkwood Ski Resort | Snow Summit Ski Resort, California |
| Bear Valley Ski Resort, California | Las Vegas Ski and Snowboard Ski Resort, Nevada | Snowbird Mountain Resort, Utah |
| Beaver Creek Ski Resort, Colorado | Magic Mountain Ski Area, Vermont | Snowshoe Resort, West Virginia |
| Big Sky Ski Resort, Montana | Mammoth Mountain Ski Resort, California | Solitude Ski Resort, Utah |
| Blue Mountain Ski Resort, Ontario | Massunnuten Resort, Virginia | Squaw Valley Ski Resort |
| Bogus Basin Ski Resort, Idaho | Mission Ridge Ski Resort, Washington | State of California Department of Fish and Game |
| Boreal Ski Resort, California | Mont Tremblant, Quebec | Steamboat Ski Resort, Colorado |
| Breckenridge Ski Resort, Colorado | Mount Bachelor Ski Resort, Oregon | Stevens Pass Ski Resort, Washington |
| Brian Head Ski Resort, Utah | Mount Rose Ski Resort, Nevada | Stratton Mountain Ski Resort, Vermont |
| British Columbia Ministry of Transportation | Mount Washington Ski Area, British Columbia | Sugar Bowl Ski Resort, California |
| Burke Mountain Resort, Vermont | Mountain High Ski Resort, California | Sun Valley Ski Resort, Idaho |
| California Department of Transportation | Mt Ashland Ski Resort, Oregon | Sundance Resort, Utah |
| California Ski Industry Association | Mt Baldy Ski Resort, California | Sunday River Ski Resort, Maine |
| California State Parks | National Avalanche Foundation | The Summit at Snoqualmie Ski Resort, Washington |
| China Peak Ski Area, California | National Ski Area Association | United States Forest Service |
| Copper Mountain Ski Resort, Colorado | Nevada Department of Transportation | Utah Department of Transportation |
| Crested Butte Ski Resort, Colorado | Northstar Ski Resort, California | Vail Ski Resort, Colorado |
| Crystal Mountain Ski Resort, Washington | Northwest Avalanche Association | Whistler/Blackcomb Resort, British Columbia |
| Cypress Mountain Ski Resort, British Columbia | Panorama Resort, British Columbia | Whitetail Ski Resort, Pennsylvania |
| Diamond Peak Ski Resort, Nevada | Placer County, California, Office of Emergency Services | Winter Park Ski Resort, Colorado |
| Dodge Ridge Ski Area, California | Schweitzer Ski Resort, Idaho | Wintergreen Resort, Virginia |
| Donner Summit Ski Resort, California | Seven Springs Ski Resort, Pennsylvania | Wisp Ski Area, Maryland |
| Durango Ski Resort, Colorado | Sierra at Tahoe Ski Resort, California |