Sigma Supply of North America Sigma Supply of North America Search | Advanced Search | New Members | Coupons and Discounts | All Categories Industrial & Manufacturing >> Industrial Machinery, Equipment & Supplies Sigma Supply of North America 824 Mid America Blvd. Hot Springs, AR 71913 501-760-1511 | fax: 501-760-1521 Visit Site Member Since: 2016 If your business isn't here, contact us today to get listed!