Certified DEF

Certified DEF LLC is national producer and distributor of diesel exhaust fluid (DEF). We operate an extensive network of DEF production and packaging facilities located across the Continental US. With our own dedicated fleet of 25 DEF delivery trucks that are equipped to haul a combination of bulk and packaged products, we take pride in our ability to service each customers’ specific needs quickly and competitively. We understand the importance of good working relationships, accountability, and reliability. We work hard to provide a high quality product and strive for superior service. We proudly define production and supply of DEF and believe through our network of committed people we will succeed in our mission. As a rapidly growing company, we are always looking for new team members to help us continue in our success. Visit us at: https://theapplicantmanager.com/careers?co=df