What Does Entegris Do? Products, Customers and Fab Materials

Entegris makes the filtration systems and specialty materials that keep semiconductor process chemistries pure enough for a fab to hit yield. Here is what Entegris does, the products it sells, and the chipmakers that buy them.

Make Sure I Know It

Aug 9, 2026 · 2 min read

Share

A single stray particle can ruin a wafer worth thousands of dollars, so semiconductor fabs are obsessive about purity. Entegris sells the filtration systems, materials-handling equipment, and specialty chemicals that keep a fab's process chemistries clean enough to hold that standard, and it sells directly to the companies whose yields depend on it.

The short answer

Entegris fills a narrow but critical slot in the chip supply chain:

• What it makes: advanced filtration, materials-handling, and specialty materials that keep semiconductor process chemistries ultra-pure.
• Who buys it: TSMC, which alone runs roughly 60% of global foundry capacity, along with Samsung, Intel, Micron, and SK hynix.
• Why it matters: contamination at the nanometer scale doesn't cause a visible defect. It causes a yield problem that shows up weeks later, so fabs treat their filtration supplier as a core partner, not a commodity vendor.

The full interactive map is on Entegris's supply chain page.

What does Entegris make?

Chipmaking runs on a long list of gases, slurries, and chemical solutions, and every one of them has to be filtered to remove particles smaller than the transistor being printed. Entegris makes the filters, membranes, and handling systems that do that job, plus the specialty materials that go into the process chemistries themselves. None of it appears on a chip's spec sheet, but without it the fab can't produce chips at a usable yield.

Who buys from Entegris

TSMC is Entegris's largest customer by scale, running roughly 60% of the world's foundry capacity through fabs that consume Entegris filters and materials at volume. Samsung Electronics buys across both its memory and foundry operations, and Intel uses Entegris products in its IDM and foundry fabs alike.

On the memory side, Micron Technology and SK hynix both depend on Entegris consumables to hold DRAM and NAND yields, and SK hynix's push into high-bandwidth memory adds stricter purity requirements that Entegris products are built to meet.

Why this company is easy to miss

Entegris doesn't show up in a finished laptop or a phone spec sheet, and its name rarely appears next to the chipmakers it serves. That's normal for a materials supplier, whose work happens entirely inside someone else's factory. But when a foundry can't hit the yields customers are paying for, a filtration or purity problem is one of the first places engineers look, and Entegris is often the company on the other end of that supply contract.

See it for yourself

The full tier-by-tier breakdown, with live tickers for every company in Entegris's supply chain, is on Entegris's supply chain map.