Grainger is Americas number 1 source for industrial grade supplies and safety products.For over 90 years Grainger has built a tradition of serving businesses big and small with effortless ways to get the products and services they need. We do this by providing a huge selection of over 1.5 million products from 5000 trusted suppliers.Grainger is Americas number 1 source for industrial grade supplies and safety products.For over 90 years Grainger has built a tradition of serving businesses big and small with effortless ways to get the products and services they need. We do this by providing a huge selection of over 1.5 million products from 5000 trusted suppliers.