Made O'Meter
Discover where a brand or product originates
WD-40 is one of the world's most recognized maintenance lubricants, originally developed in 1953 by the Rocket Chemical Company in San Diego, California. The name stands for 'Water Displacement, 40th formula,' representing the chemist Norm Larsen's 40th attempt to perfect the solution used to prevent corrosion on the Atlas missile.
Today, the product is manufactured in multiple locations globally to serve international markets, including major facilities in the United States and the United Kingdom. Control over the brand remains with the WD-40 Company, which transitioned from its original name (Rocket Chemical Company) in 1969. The company has evolved into a global marketing entity headquartered in San Diego, managing a diverse portfolio of maintenance and cleaning brands while keeping its original secret formula at the heart of its operations.
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