This document summarizes sources for "Spraying Prohibited" signs for organic farms. It lists five suppliers that provide signs to help organic producers prevent contamination from spray drift: Catnip Farm offers three sign designs in two sizes starting at $16.50 each; Midwest Organic and Sustainable Education Services offers one 18" x 24" sign for $6 each; Four Winds Farm offers one 18" x 22" sign for $7 each; California Certified Organic Farmers offers two bi-lingual designs for $15 each; and Signs of Life offers twelve designs starting at $2.25 each. The document provides contact information for each supplier.