Who is the largest manufacturer of Diesel Exhaust Fluid | Manufacturers & Official Website 2025

Who is the largest manufacturer of Diesel Exhaust Fluid?

Rising adoption of heavy-duty diesel vehicles in logistics, construction, and agriculture is further expanding demand. Moreover, increasing environmental consciousness among fleet operators and the introduction of fuel-efficient, low-emission engines are reshaping the landscape. The market is also experiencing technological advancement in distribution systems, such as mobile DEF dispensing and bulk delivery solutions, which are refining accessibility and reducing operational costs.

List of the manufacturer of Diesel Exhaust Fluid

1. China Petrochemical Corporation (Sinopec)

A major state-owned oil and gas entity in China, Sinopec manufactures DEF with extensive production capacity and distribution in the Asia-Pacific region.

2. TotalEnergies

TotalEnergies produces and distributes DEF across Europe and beyond, focusing on sustainable products with wide-reaching supplier and logistics infrastructure.

3. Mitsui Chemicals Inc.

A major Japanese chemical producer, Mitsui Chemicals manufactures high-quality DEF for markets across Asia, growing its global presence.

4. Yara International ASA

Yara is a leading producer of urea—the primary component of DEF—and operates the world's largest AdBlue plant, emphasizing sustainability and emission reduction.

5. Velvex AdBlue (India)

Velvex is among India's largest domestic AdBlue/DEF producers, offering products that meet global standards for commercial and heavy-duty diesel applications.

6. OCTONOL DEF (India)

OCTONOL is a top-tier Indian DEF manufacturer supplying BS6-compliant solutions with strong regional distribution and quality assurance.

7. BASF SE

BASF is the world’s largest chemical company and a leading DEF producer, known for high-quality, globally distributed AdBlue. They focus on innovation and reliable supply for vehicle manufacturers and fleet operators.

8. Advanced Blue

Focused on North India, Advanced Blue produces high-purity DEF and also offers dispensing equipment, ensuring consistent and compliant products for the regional market.

9. Brenntag AG

Brenntag is a global distributor of chemicals, including DEF, leveraging its logistics network to serve fleets and industrial customers in Europe and North America.

10. Shell PLC

Shell manufactures DEF under its Rotella brand, offering a robust supply in North America and Europe, backed by extensive energy-industry capabilities.

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