About Us

Vulcan Mission Statement:

It is our mission is to exceed all customer expectations as a high quality, trusted leader of Diesel Exhaust Fluid (DEF), along with being a parts and equipment supplier for DEF products. Why compromise your investment? We don’t compromise ours.

General Information

Vulcan Companies is a distributor, installer, servicer and sales agent for DEF, and DEF parts. We are a certified distributor of TerraCair Ultrapure Diesel Exhaust FluidTM, the preferred product of leading truck producers. All the parts and equipment we sell have been tested, and have been proven to meet the needs of our customers. Vulcan Companies staff has over 25 years of experience in sales and service of DEF, and DEF parts and equipment.