What Cerro/Marmon makes for data centers
subsidiary · unit of Berkshire
Cerro/Marmon is a unit of Berkshire. It appears on 1 part of the AI data center — LV cable, wire, tray, raceway — in the role of manufacturer. That part sits in Layer 7 — Electrical: power distribution (grid to rack).
Exposure
1 part across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 7 — Electrical: power distribution (grid to rack)
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| LV cable, wire, tray, raceway | manufacturer | inferred | Belden, Furukawa, Hengtong, Nexans, Prysmian, Sumitomo Electric |
Where Cerro/Marmon sits in the stack
Cerro/Marmon's placements in this catalog cover 1 part, all in layer 7, electrical: power distribution (grid to rack). 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
- LV cable, wire, tray, raceway — Low-voltage power cable and wire, and the tray and raceway systems that route and support it between switchgear, PDUs, and racks.
Closest peers in this catalog
Questions about Cerro/Marmon
- What does Cerro/Marmon make for AI data centers?
- This catalog places Cerro/Marmon on 1 part: LV cable, wire, tray, raceway (manufacturer).
- Is Cerro/Marmon publicly traded?
- Not on its own — this catalog records Cerro/Marmon as a unit of Berkshire, so the traded entity is the parent.
- Who else makes LV cable, wire, tray, raceway for AI data centers?
- Belden, Furukawa, Hengtong, Nexans, Prysmian and Sumitomo Electric are also placed on LV cable, wire, tray, raceway in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Cerro/Marmon the mix is 1 inferred. "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.