Struggling to find a reliable DEF manufacturer in the USA? You’re not alone. With so many options out there, it’s tough to know who truly delivers top-notch quality and service. The right DEF supplier can keep your fleet compliant, engines running cleaner, and operations hassle-free. But the wrong choice? Costly headaches and downtime. Ready to cut through the confusion? Discover the top DEF manufacturers in the US and see which one is the best fit for your needs—read on!

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Manufacturers of DEF (Diesel Exhaust Fluid) in the US

Product Details:
Oilmens Truck Tanks offers a range of tank trucks and trailers for fuel, diesel exhaust fluid (DEF), bulk oil, waste oil, and water. Products include DEF tank trucks, DEF trailers, DEF skids and carts, fuel trucks, short trailers (independent tank solutions), bulk oil delivery trucks, and an extensive catalog of tank truck parts and accessories.

Technical Parameters:
– Short Trailer product allows all functionalities of a truck tank without the
– DEF equipment includes tank trucks, trailers, skids, and carts for diesel
– Over 29 bays for manufacturing and service, indicating large-scale production

Application Scenarios:
– Fuel delivery for commercial fleets and stations
– DEF (Diesel Exhaust Fluid) delivery for vehicles with selective catalytic
– On-site mobile refueling and liquids transport
– Water and oil transport and recovery

Pros:
– Comprehensive selection of specialized trucks, trailers, and equipment for
– Option for independent short trailer provides flexible tank solutions without
– Established company with over 70 years of experience in truck tank manufacturing

Cons:
– Technical specifications for individual products are not clearly detailed on
– Direct disadvantages or limitations of specific products are not listed

DEF Manufacturer & Supplier | Blue Sky Diesel Exhaust Fluid

Product Details:
Blue Sky DEF (Diesel Exhaust Fluid) is manufactured to ISO 22241 specifications, is API Certified, and is compatible with all equipment utilizing Selective Catalytic Reduction (SCR) technology. The company offers DEF, DEF dispensing hardware, accessory equipment, customized DEF programs, and a DEF calculator tool.

Technical Parameters:
– Manufactured to ISO 22241 specifications
– API Certified
– Compatible with all equipment using SCR technology

Application Scenarios:
– Used in vehicles or equipment utilizing SCR technology to reduce emissions
– Fleet management requiring reliable DEF supply and technical expertise
– Industries where maintaining emission compliance is critical

Pros:
– High-quality DEF that meets stringent industry standards (ISO 22241, API
– Extensive North American manufacturing and distribution network for reliable
– Expertise in customized DEF solutions and ongoing technical support
– Comprehensive product range including DEF fluid, dispensing equipment, and
– Focus on environmental responsibility and emission reduction

Cons:
– No details provided about pricing or potential cost limitations
– Exact range or compatibility for specialized or non-standard equipment unclear

DEF Solutions – Musket Corp

Product Details:
Musket produces and supplies Diesel Exhaust Fluid (DEF), which is used in Selective Catalytic Reduction (SCR) technology to reduce nitrous oxide emissions from diesel engine exhausts. DEF is produced to meet ISO 22241 standards and distributed via a network of terminals across the U.S. Musket emphasizes quality assurance, competitive supply, and flexible operations.

Technical Parameters:
– DEF composition: 32.5% automotive grade urea and 67.5% de-ionized water
– Adheres to ISO 22241 standard for quality
– Best in class QA/QC procedures, exceeding industry standards
– Round-the-clock (24/7/365) operational capability

Application Scenarios:
– Used in SCR-equipped diesel engines to reduce nitrous oxide emissions
– Essential for meeting compliance requirements with the EPA’s Clean Air Act
– Supplies DEF to trucking and transportation fleets with high demand

Pros:
– Reliable and stable supply with widespread terminal locations
– High product integrity, exceeding industry QA/QC standards
– Competitive and flexible sourcing, including 24/7 availability
– Helps reduce empty mileage and optimize logistics

Cons:
– Service and supply limited to locations with existing DEF terminals
– May be dependent on SCR-equipped fleets (does not apply to non-SCR vehicles)

Top Diesel Exhaust Fluid Companies – Verified Market Reports [2025]

Product Details:
Diesel Exhaust Fluid (DEF) and related technologies including urea production, DEF catalysts, and SCR systems, supplied by leading global manufacturers to reduce harmful emissions from diesel engines and ensure compliance with environmental regulations.

Technical Parameters:
– High-quality, reliable DEF products suitable for stringent emission standards
– Inclusion of SCR (Selective Catalytic Reduction) system components and DEF
– Products compatible with a range of diesel vehicles and engine technologies

Application Scenarios:
– Used in commercial and industrial diesel vehicles to reduce emissions
– Supplied to fleet operators and vehicle manufacturers for engine performance
– Integrated into SCR systems for compliance with regulatory requirements

Pros:
– Ensures compliance with strict environmental and emission regulations
– Enhances engine performance and contributes to cleaner air
– Supported by strong supply chains and global distribution networks

Cons:
– Growing regulatory requirements may increase operational complexity for
– Dependence on consistent supply and high purity of DEF for optimal performance

Diesel Exhaust Fluid – Colonial Chemical Company

Product Details:
Colonial Chemical Company manufactures and supplies Diesel Exhaust Fluid (DEF) and urea-based chemicals for NOx abatement, offering products under the Colonial DEF and Blue Wave DEF brands in various packaging sizes including small bottles, drums, totes, and bulk. They provide custom equipment solutions and private label opportunities for DEF distribution.

Technical Parameters:
– DEF is a 32.5% solution of high-purity urea in de-ionized water.
– All DEF products meet ISO 22241 global specifications.
– Colonial DEF and Blue Wave DEF are tested for ISO 22241 compliance and
– DEF consumption in vehicles is approximately 2-6% of diesel fuel consumption.

Application Scenarios:
– Supplying DEF to OEMs, test fleets, component manufacturers, fuel/lubricant
– DEF used in diesel vehicles equipped with SCR (Selective Catalytic Reduction)
– DEF dispensing through small packages for individual/retail use and bulk for

Pros:
– Longstanding expertise and leadership in DEF and NOx abatement market;
– Robust quality assurance, traceability, and compliance with global standards
– Wide range of packaging and flexible supply options, including private label
– Redundant supply chain and knowledgeable delivery partners ensure product

Cons:
– No explicit disadvantages are detailed on the provided web page.

North America’S Leading Diesel Exhaust Fluid

Product Details:
Blue Leaf Diesel Exhaust Fluid (DEF) is a high-purity, non-toxic, non-flammable solution designed for use in diesel vehicles with Selective Catalytic Reduction (SCR) technology. It is distributed across North America with a focus on quality control, certified to ISO 22241 and API standards, and available in a variety of packaging sizes including 1 gallon jugs, 2.5 gallon jugs, 55 gallon drums, 275 or 330 gallon totes, and bulk.

Technical Parameters:
– Meets ISO 22241 and API certification standards
– Comprised of high-purity urea and deionized water
– Non-toxic, non-flammable
– Available in multiple package sizes: 1 gal, 2.5 gal, 55 gal drums, 275/330 gal

Application Scenarios:
– For use in all 2010 and newer diesel vehicles using SCR emission technology
– Suitable for fleet operations, truck stops, and individual operators in the U.S
– Transition from small jugs to bulk for growing DEF needs
– Providing DEF supply to remote and high-demand locations

Pros:
– Nationwide and reliable supply chain through the DeliveryONE Network
– Strict quality control from production to delivery, maintaining product
– Certified to both ISO and API standards for quality assurance
– Excellent customer service and support for growing DEF requirements

Cons:
– Product can freeze at 12°F, requiring thawing before use
– Strict handling required to prevent contamination, which could damage engines

Diesel Exhaust Fluid (DEF) – Brenntag

Product Details:
Brenntag supplies high-purity, API-certified Diesel Exhaust Fluid (DEF) used to reduce emissions in diesel-powered vehicles and equipment. They offer DEF in various packaging options, including jugs, drums, totes, and bulk deliveries, with nationwide distribution and support for storage and dispensing equipment. DEF is supplied under the AirBlueFluids and BlueSky DEF brands.

Technical Parameters:
– DEF meets ISO 22241 and API certified specifications.
– Composed of 32.5% high-purity urea and 67.5% deionized water.
– Available in multiple package sizes: 2.5-gallon jugs, 55-gallon drums,
– Supports required storage temperatures (DEF should ideally be stored between

Application Scenarios:
– Use in diesel vehicles and equipment with Selective Catalytic Reduction (SCR)
– On-road trucks, buses, and off-road machinery compliance with EPA emission
– Fleet fueling facilities requiring bulk DEF supply.
– Construction, agriculture, and mining industry vehicles.

Pros:
– Nationwide distribution and just-in-time delivery capability.
– API-certified product ensures quality and compatibility with vehicle systems.
– Comprehensive support for storage, dispensing, and equipment solutions.
– Multiple packaging options to suit varied customer needs.

Cons:
– DEF is sensitive to contamination, requiring careful handling and dedicated
– Storage temperature requirements may present logistical challenges.
– Product must not be mixed or handled with non-compliant containers to prevent

Southern California Diesel Exhaust Fluid manufacturerd

Product Details:
Azure DEF is a Southern California-based manufacturer and supplier of Diesel Exhaust Fluid (DEF), including API Certified DEF for trucks, a 50% Urea-aqueous solution, and DEF material handling and packaging solutions. They offer bulk supply, IBC totes, 2.5-gallon jugs, and transfer skid pumps, serving fleets and commercial users.

Technical Parameters:
– API Certified Diesel Exhaust Fluid (DEF) for trucks, meeting industry quality
– Available as 32.5% DEF solution for selective catalytic reduction (SCR) systems
– Material Safety Datasheet (MSDS) and Certificate of Analysis available for
– Multiple packaging options: bulk, IBC totes, 2.5-gallon jugs

Application Scenarios:
– Fleet and truck operators requiring DEF for emissions compliance
– Commercial vehicle service centers and refueling stations
– End-users in Southern California needing DEF in various packaging sizes
– Businesses aiming to reduce nitrous oxide emissions and meet environmental

Pros:
– Reduces nitrous oxide (NOx) emissions by up to 90%, aiding compliance with
– Helps lower fleet operational costs and downtime
– Promotes safer air quality and health benefits for communities
– Flexible packaging and supply options support different scales of demand

Cons:
– Limited to Southern California region for direct supply
– Product and industry information on website appears partially dated (e.g., news

Diesel Exhaust Fluid Suppliers – DEF Distributor – Tilley Distribution

Product Details:
Tilley Distribution supplies high-quality, EPA-compliant diesel exhaust fluid (DEF) sourced from leading manufacturers like Colonial Chemical Company. Offered in various bulk and packaged sizes, Tilley ensures reliable, impurity-free DEF distribution across North America to support compliance and fleet operation.

Technical Parameters:
– DEF composition: 32.5% urea and 67.5% de-ionized water (ISO 22241 specification)
– Available in bulk, 330-gallon totes, 55-gallon drums, 2.5-gallon jugs, and 4
– Approximately 2 to 4 gallons of DEF consumed per 100 gallons of diesel used
– DEF freezing point: 12°F; shelf life up to 2 years when stored properly

Application Scenarios:
– Agriculture equipment fleets
– Construction machinery
– Diesel generators
– Mining operations
– Public transit systems
– Railways
– Trucking and logistics fleets

Pros:
– Helps fleets comply with EPA emissions regulations
– Reduces nitrogen oxide emissions and engine wear
– Improves fuel efficiency and can increase engine horsepower
– Reliable supply chain and exceptional customer service with nationwide coverage

Cons:
– DEF can freeze below 12°F, requiring heated or insulated storage solutions
– DEF shelf life is shortened by exposure to heat, sunlight, or humidity
– Cross-contamination with fuel or other substances can damage equipment

Diesel Exhaust Fluid Delivery | Sun Coast Resources

Product Details:
Diesel Exhaust Fluid (DEF) delivery and supply as part of Sun Coast Resources’ chemical products. DEF is offered for use in vehicles and equipment that require emissions control solutions. The company also provides related chemicals, additives, coolants, and extensive fuel and lubricant services.

Application Scenarios:
– Fleet operators requiring DEF for emissions compliance
– Diesel-powered vehicles and machinery needing exhaust fluid replenishment
– Industrial or commercial operations with on-site DEF storage and dispensing

Pros:
– Comprehensive DEF delivery services
– Integrated offering with fuels, lubricants, and chemicals
– Options for emergency and fleet support

Cons:
– Technical details and product specifications are not provided
– Lack of specific information about DEF formulation or quality grades

Comparison Table

Company	Product Details	Pros	Cons	Website
Manufacturers of DEF (Diesel Exhaust Fluid) in the US	Oilmens Truck Tanks offers a range of tank trucks and trailers for fuel, diesel	Comprehensive selection of specialized trucks, trailers, and equipment for	Technical specifications for individual products are not clearly detailed on	trucktanks.com
DEF Manufacturer & Supplier	Blue Sky Diesel Exhaust Fluid	Blue Sky DEF (Diesel Exhaust Fluid) is manufactured to ISO 22241 specifications	High-quality DEF that meets stringent industry standards (ISO 22241, API	No details provided about pricing or potential cost limitations Exact range or
DEF Solutions – Musket Corp	Musket produces and supplies Diesel Exhaust Fluid (DEF), which is used in	Reliable and stable supply with widespread terminal locations High product	Service and supply limited to locations with existing DEF terminals May be	www.musketcorp.com
Top Diesel Exhaust Fluid Companies – Verified Market Reports [2025]	Diesel Exhaust Fluid (DEF) and related technologies including urea production,	Ensures compliance with strict environmental and emission regulations Enhances	Growing regulatory requirements may increase operational complexity for	www.verifiedmarketreports.com
Diesel Exhaust Fluid – Colonial Chemical Company	Colonial Chemical Company manufactures and supplies Diesel Exhaust Fluid (DEF)	Longstanding expertise and leadership in DEF and NOx abatement market;	No explicit disadvantages are detailed on the provided web page.	colonial-chemical.com
North America’S Leading Diesel Exhaust Fluid	Blue Leaf Diesel Exhaust Fluid (DEF) is a high-purity, non-toxic, non-flammable	Nationwide and reliable supply chain through the DeliveryONE Network Strict	Product can freeze at 12°F, requiring thawing before use Strict handling	blueleafdef.com
Diesel Exhaust Fluid (DEF) – Brenntag	Brenntag supplies high-purity, API-certified Diesel Exhaust Fluid (DEF) used to	Nationwide distribution and just-in-time delivery capability. API-certified	DEF is sensitive to contamination, requiring careful handling and dedicated	www.brenntag.com
Southern California Diesel Exhaust Fluid manufacturerd	Azure DEF is a Southern California-based manufacturer and supplier of Diesel	Reduces nitrous oxide (NOx) emissions by up to 90%, aiding compliance with	Limited to Southern California region for direct supply Product and industry	www.azuredef.com
Diesel Exhaust Fluid Suppliers – DEF Distributor – Tilley Distribution	Tilley Distribution supplies high-quality, EPA-compliant diesel exhaust fluid	Helps fleets comply with EPA emissions regulations Reduces nitrogen oxide	DEF can freeze below 12°F, requiring heated or insulated storage solutions DEF	www.tilleydistribution.com
Diesel Exhaust Fluid Delivery	Sun Coast Resources	Diesel Exhaust Fluid (DEF) delivery and supply as part of Sun Coast Resources’	Comprehensive DEF delivery services Integrated offering with fuels, lubricants,	Technical details and product specifications are not provided Lack of specific

Frequently Asked Questions (FAQs)

How can I find reputable DEF manufacturers in the USA?
Start with online B2B directories, industry associations, and trade shows focused on diesel exhaust fluid (DEF). Networking with fleet operators or industry peers can also provide recommendations. Always research potential suppliers thoroughly.

What should I look for when evaluating DEF manufacturers?
Check for certifications, production capacity, compliance with ISO 22241 standards, and quality control processes. Also, consider their years in business and ask for client references or testimonials to ensure reliability and product consistency.

Do DEF manufacturers offer custom packaging or private labeling?
Many DEF manufacturers in the USA offer custom packaging options and private labeling to suit your brand and distribution needs. Discuss specific requirements with potential suppliers during your initial conversations.

How can I verify the quality of DEF products from a manufacturer?
Ask for certificates of analysis, third-party lab test results, and compliance with state and federal regulations. Reputable manufacturers will gladly provide quality documentation and may offer product samples for your evaluation.

What’s the typical minimum order quantity (MOQ) for DEF from US manufacturers?
MOQs can vary widely based on the manufacturer and packaging size, but many US DEF suppliers cater to both bulk and smaller orders. Clarify your volume needs upfront to ensure the supplier can accommodate your requirements.