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Molex makes the electronic connectors, cables, and switches that let devices and machines talk to each other and get power.
Molex makes the small, unglamorous parts that make modern electronics work: the connectors that snap two wires or circuit boards together, the cables that carry power and data, and the switches that turn things on and off. Open up almost anything electronic — a car, a data-center server, a phone, a factory robot, a medical device — and there is a decent chance a Molex part is inside holding the whole thing together.
Its customers are the big manufacturers that build those products, known as OEMs, spread across industries like automotive, consumer electronics, telecom, industrial equipment, and healthcare. Molex rarely sells to you directly. It sells to the engineers and factories that design and assemble the machines, and those customers pick Molex because the parts have to be reliable — a cheap connector that fails can ruin an entire product — and because Molex can design custom solutions and supply them at massive scale. The company earns money by selling these components in enormous volumes, and by helping customers solve tricky connection problems that off-the-shelf parts can't handle. The business has a deep history. Molex started in 1938 as a small maker of a plastic material called Molex, which was used to make clock cases and flowerpots, before pivoting into electrical connectors. It grew into a global connector giant and was publicly traded for decades before Koch Industries — a large privately held American conglomerate — bought it in 2013 for about $7.2 billion and took it private. That ownership matters: Molex now operates as part of Koch's sprawling empire rather than answering to public shareholders, which gives it room to invest for the long term.
The connector world is fiercely competitive, with rivals like TE Connectivity and Amphenol chasing the same customers, plus many smaller regional players. What keeps Molex in the game is scale, a huge catalog of parts, and engineering relationships built over decades. The bigger tailwind is that everything is getting more electronic — electric cars, faster data centers, smarter factories, more sensors — and every one of those trends needs more connections. More connections means more little Molex parts quietly doing their job.
Saved answer · last researched 15 Nov 2026