APM Hexseal Allied Electronics: 800-433-5700 Century Fasteners: 800-368-3811 Corland Company 310-670-3720 DigiKey: 800-344-4539 Electric Switches Premiere: 818-700-0025 Fastenal: www.fastenal.com Hardware Specialty: 760-643-0722 McMaster-Carr Supply: 562-692-5911 Mouser: 800-346-6873 MSC: 858-505-8608 Newark: 800-4-NEWARK Peerless: 516-594-3500 Wes-Garde: 800-551-8866 W.W. Grainger: 866-486-7865