Need a hand? Heavy-duty power tools are never in short supply at Milwaukee Electric Tool. The company manufactures and sells heavy-duty and portable cordless drills, impact wrenches, chop saws, and rotary hammers -- all branded with a red lightning bolt. Its lineup comprises more than 500 tools marketed to professional cabinetmakers, carpenters, electricians, plumbers, remodelers, and welders. The weekend handyman can also buy Milwaukee Electric products and accessories at home improvement retailers the likes of The Home Depot, as well as through the company's e-commerce website. Founded in 1924 by A.F. Siebert, Milwaukee Electric Tool operates as a subsidiary of China-based tool maker Techtronic Industries.