Sharpening Service business. Nobody likes a dull knife -- help them out. Business Overview Who needs sharpening services? Lots of people and businesses do, including restaurateurs, caterers, and butchers. There's also a need for saw-blade sharpening for contractors, carpentry shops, and mills; scissors sharpening for hair stylists, barbers, tailors, and seamstresses; and surgical-equipment sharpening for doctors, dentists, and hospitals. Depending on the type of equipment...