Advanced Synthetic Technology & Heavy-Duty Lubricants — Made in USA
Engineered for Peak Performance
100% American Quality
Why ProMEX
Why Engineers and Fleet Operators Choose ProMEX
ProMEX is built on a single principle: no compromise. Every formulation is developed by American engineers, tested against the world's toughest standards, and manufactured in our state-of-the-art USA facilities.
Engine Protection
Advanced wear defense under extreme pressures. Our synthetic formulations create a molecular barrier that shields critical engine components even under the harshest operating conditions.
Fuel Economy
Formulated to reduce friction and lower fuel consumption. ProMEX synthetic technology minimises internal resistance so your engine runs cleaner and more efficiently.
Longer Engine Life
Keeps vital engine components clean and running smoothly. Superior oxidation control and thermal stability extend drain intervals and protect your investment mile after mile.
Who Uses ProMEX
Trusted Across Every Industry
From the family car to the heaviest commercial fleet, ProMEX lubricants are engineered to perform wherever engines run.
Passenger Vehicles
Petrol and diesel cars, SUVs, and light trucks. Our full synthetic range covers modern turbocharged engines, direct injection systems, and hybrid powertrains requiring the latest API SP and ILSAC GF-6A specifications.
5W-20 · 5W-30 · 10W-40Commercial Fleets
Long-haul trucks, delivery vans, and logistics vehicles operating under continuous load. ProMEX heavy-duty grades provide extended drain intervals and maximum protection for high-mileage diesel powerplants.
15W-40 HD · HD50Industrial Equipment
Construction machinery, agricultural equipment, and stationary industrial engines. Our CI-4 and CH-4 certified grades withstand the extreme thermal and mechanical stress of heavy industrial operation.
15W-40 HD · 20W-50Automatic Transmissions
Smooth, reliable shifting for passenger cars and light commercial vehicles with automatic gearboxes. ATF DEXRON III meets OEM requirements for a wide range of transmission types.
ATF DEXRON IIIAmerican Manufacturing
Built in the USA. Trusted Worldwide.
Every bottle of ProMEX is engineered and produced in our state-of-the-art American facilities — meeting the highest API and ILSAC standards before it ever reaches your engine. Our manufacturing process combines precision blending technology with rigorous quality control at every stage.
Proudly Made in America
Every drop engineered and manufactured on American soil
Precision Bottling Lines
State-of-the-art filling and packaging
API-Certified Standards
Rigorous quality control at every stage
Standards & Certifications
Meeting the World's Toughest Standards
Every ProMEX product is tested and certified against the most demanding international performance benchmarks before it leaves our facility.
API Service Category SP
The latest and most stringent API gasoline engine oil standard. Provides improved high-temperature deposit protection, better sludge control, and enhanced fuel economy versus previous categories.
API Service Category CI-4
Designed for high-speed, four-stroke diesel engines. Provides outstanding protection against soot-related viscosity increase, oxidation, and wear in modern turbocharged diesel applications.
API Service Category CH-4
Formulated for high-speed, four-stroke diesel engines designed to meet 1998 exhaust emission standards. Provides superior protection against wear, oxidation, and corrosion.
ILSAC GF-6A
The International Lubricant Standardization and Approval Committee's latest specification. Delivers improved fuel economy, timing chain wear protection, and low-speed pre-ignition prevention.
Our Purpose
Our Mission & Vision
Our Mission
To engineer and supply world-class American motor oils that deliver uncompromised engine protection, peak thermal performance, and exceptional fuel efficiency. We focus on delivering superior synthetic formulations and heavy-duty lubricants crafted in the USA to keep every vehicle — from daily commuters to heavy commercial fleets — running smoother, cleaner, and longer.
Our Vision
To set the global benchmark in automotive lubrication by blending cutting-edge synthetic technology with uncompromising quality standards. We aim to be the most trusted performance oil brand, empowering drivers and industries worldwide with superior engine durability and efficiency.
Product Highlights
Built for Every Engine Demand
A carefully engineered range covering every viscosity grade and application — from modern passenger cars to the heaviest commercial diesel engines.
API SP5W-30
SAE 5W-30 Advanced Synthetic
Superior engine protection and optimised fuel economy for modern passenger vehicles under demanding conditions.
API SP10W-40
SAE 10W-40 Advanced Synthetic
Broad viscosity range for high-mileage engines. Exceptional oxidation control and thermal stability.
API CI-415W-40
SAE 15W-40 Heavy Duty
Maximum wear defence for heavy commercial and industrial diesel engines. Long-term durability under load.
DEXRON IIIATF
ATF DEXRON III
Advanced synthetic transmission care ensuring smooth shifting and optimal thermal stability in automatic transmissions.
Distribution
Partner With ProMEX
We work with wholesale buyers, regional distributors, and fleet operators across the USA and internationally. Our team provides dedicated technical support and tailored supply programmes.
Wholesale Buyers
Access competitive pricing on full product ranges. We supply automotive retailers, parts distributors, and service chains across the USA and internationally.
Fleet Operators
Dedicated fleet programmes for commercial transport, logistics, and industrial operations. Bulk supply, technical support, and tailored lubrication schedules.