This site uses the now discontinued free Google geo data API which no longer works. This site will be taken offline soon. Please start using the new site at

This website has been funded initially by the ATC Endowment Fund because of its importance to practicing professionals. We encourage you to help sponsor this site by making a donation to the ATC Endowment Fund to defray this initial website development cost and the cost of ongoing maintenance. Your name (or your firm’s name) will be listed on this page and if you wish, a link will be created from this Sponsor page to your website so others who find this Sponsor page can also find you. The ATC Endowment Committee has created the following contribution levels for founding sponsors/contributors:  

Blizzard: $5,000
Snowstorm: $2,500
Flurry: $1,000
Dusting: Up to $999

Persons or firms interested in contributing to the development and operation of the ATC Ground Snow Load by Location website should complete and submit the Sponsorship Form to the Applied Technology Council, 201 Redwood Shores Parkway, Suite 240, Redwood City, CA 94065 (Fax: 650-593-2320, email: This email address is being protected from spambots. You need JavaScript enabled to view it. ). Payment can either be made by check payable to the ATC Endowment Fund or by credit card.


Current Sponsors


AmericanSteelAmerican Iron and Steel Institute
25 Massachusetts Ave., NW, Suite 800
Washington, DC 20001

(202) 452-7100


MBMA bck 300x98Metal Building Manufacturers Association

1300 Sumner Avenue
Cleveland, OH 44115-2851

(216) 241-7333 





carport centralCarport Central

737 S. Main St
Mount Airy, NC, 27030