Nationwide Strength, Local Commitment. At L&W Supply, we are 100% dedicated to serving the needs of our customers. With sales of more than $2.0 billion, we operate in 38 states and carry the broadest product line at the most competitive price. But we do it all by operating under our local company names-names our customers know and trust-to make sure we stay focused on the right mix of customized products and services for that specific market.