Energy Supply Co. – A New World of Energy Drinks. Energy Supply Co. is the world’s first and only Energy Drink Subscription Box. We spend our days and nights tracking down unique products from all corners of the earth to ship to our customers. Ready to expand your energy drink experience? We’re exactly what you’re looking for. Six hand-picked energy drinks approved by our expert tasters. Hard-to-find brands and flavors. Free shipping!. Exclusive promotional items. Info cards describing each product. Special deals from brands.