Nelson Oil Company, Inc. is a family owned certified (State of Indiana and City of Indianapolis) WBE fuel-lubricant and DEF (Diesel Exhaust Fluid) distributor and petroleum (for-hire) transportation company located in the heart of Indianapolis. We service construction, commercial and industrial accounts in and around the Indianapolis area. We also carry spill absorbent products as well as antifreeze, windshield washer solvent and many other petroleum based products. Nelson Oil specializes in ON-SITE FUELING for many industries and is #1 in customer service! Nelson Oil is proud to announce that we will be the Central Indiana distributor for DeliveryOne Diesel Exhaust Fluid (DEF) program. It is the #1 Diesel Exhaust Fluid program in the country Core Values: Service-Competitve-Dependable