Certified DEF LLC

Information may not be reliable

All production and packaging of DEF is done at one of our state-of-the-art facilities or at one of our exchange partners' facilities where rigorous testing is performed to ensure the highest quality product that is API certified and meets ISO 22241 standards. We continually have in-house as well as third-party testing completed along with batch samples and traceability codes kept for all DEF that is produced.Certified DEF LLC work hard to provide a high quality product but also strive for superior service. We understand the importance of good working relationships, accountability, reliability and the belief of delivering on our promises. Our people are committed to taking care of customers and making the sacrifices to achieve the standards we’ve set for ourselves.