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Welcome to Top!Blue USA

About Us

who are we?

We are a diesel exhaust fluid (DEF) manufacturer located in heart of Los Angeles County - servicing customers throughout Southern California.

What sets us apart from the competition is our vertical integration - from market insights, highest quality raw material, logistics, and high-tech blending equipment to premium finished product.

High quality urea prill used for diesel exhaust fluid production.

taking pride in our product & customer service

Continuous improvement and our commitment to quality remain at

the core of our business philosophy.

The production of ultra premium DEF, combined with our strict quality

control procedures are synonymous with Top!Blue USA. These factors

ensure that our customers receive batch to batch consistency and full

traceability to ISO-22241.

we've got you covered

We offer full service solutions - our DEF is available in jugs, drums, totes and tankers. In addition, we have a 24-hr filling station to cover all of your DEF needs.

Interested in private label for your brand? We offer private label programs to fit anyone's needs.

Custom urea blends?

We offer a full line of custom blending urea solutions for industrial use:

• 40% urea solution

• 50% urea solution

• custom blend solutions

Welcome to Top!Blue USA

Welcome to Top!Blue USA

About Us

who are we?

taking pride in our product & customer service

we've got you covered

Contact Us

Drop us a line!

Better yet, see us in person!

Top!Blue USA

Hours