What Iwaki makes for data centers
public · HQ Japan · iwakiamerica.com
Iwaki is a publicly listed company and based in Japan. It appears on 1 part of the AI data center — Pumps — in the role of manufacturer. That part sits in Layer 5 — Liquid cooling (IT-side: chip to CDU). Its shares trade on Tokyo Stock Exchange as 6237.T.
Listing
Tokyo Stock Exchange: 6237.T· 3855 JPY -0.52% · mkt cap 85.8B JPY
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
1 part across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 5 — Liquid cooling (IT-side: chip to CDU)
Where Iwaki sits in the stack
Iwaki's placements in this catalog cover 1 part, all in layer 5, liquid cooling (it-side: chip to cdu). None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- Pumps — Pumps inside the CDU that circulate technology-side coolant through the cold plates and back, often configured with redundancy so a single pump failure does not take the loop offline.
Closest peers in this catalog
Seen in real machines
Iwaki is named in 1 of the rack teardowns and supercomputer breakdowns on this site. Each line below is a piece of that machine.
- Nvidia GB300 NVL72 · rack teardown
- CDU heat exchangers and pumps
Questions about Iwaki
- What does Iwaki make for AI data centers?
- This catalog places Iwaki on 1 part: Pumps (manufacturer).
- Is Iwaki publicly traded?
- Yes — Iwaki is listed on Tokyo Stock Exchange under 6237.T. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Iwaki based?
- Japan, per the company record in this catalog.
- Who else makes pumps for AI data centers?
- KSB, Xylem, Grundfos and Wilo are also placed on Pumps in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Iwaki the mix is 1 disclosed. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.