The blindness index · substrate as of 2026-W24

The channel’s biggest brands. AI can’t see them.

Every week we compare two realities: which brands the major electronics distributors actually carry, per region — and which brands the AI models of that same region can name as components companies. The gap is measured, alias-screened, and domain-verified before anything appears below — 20 manufacturers here are confirmed canonical and genuinely invisible to AI. (A broader re-screen of the long tail is in progress; we publish only what we’ve verified.)

Check your brand

Can AI see you?

Check your brand

Can AI see you?

Exhibit A
3M3m.com

Carried by 17 distributor catalogs with 52 category placements. AI mentions as a components company, any region, all history: 0. Yet ask AI who makes its categories and 16 of 17 models name it — the story is retrievable, but not attached to the brand.

United States
Distributor shelf88%
AI mentions0
Europe
Distributor shelf50%
AI mentions0
Asia
Distributor shelf80%
Chinese-lab AI mentions0
One-way blind · 13 brands

Ask AI who makes EMI suppression — it names them. Ask AI about the brand — silence. The knowledge is in the model; the brand identity isn’t attached to it. That gap is recoverable, which is exactly why it’s worth knowing about.

Blind both ways · 7 brands

Invisible whether you ask by category or by name. The distributor shelf says these are significant manufacturers; the models simply don’t carry them. 4 are carried by Asian distributors and invisible even to the five Chinese AI labs — home-market blindness.

The blind list

shelf coverage vs AI mentions · per geo · top 20 of 20
BrandUS shelfUS AIEU shelfEU AIAsia shelfAsia AIPlacementsDirection
3M3m.com88%050%080%052one-way+ home-blind
Schneider Electricse.com75%067%060%045one-way+ home-blind
Honeywellhoneywell.com88%033%060%037both ways+ home-blind
Abraconabracon.com75%050%020%020one-way
Panduitpanduit.com88%00%00%015one-way
Weidmüllerweidmueller.com63%050%020%014both ways
Ohmite Manufacturingohmite.com75%017%00%013one-way
DFRobotdfrobot.com25%00%040%012one-way+ home-blind
Tektronixtek.com50%050%020%012both ways
EBM-Papstebmpapst.com75%050%00%011one-way
Siemenssiemens.com13%033%00%011one-way
HellermannTytonhellermanntyton.com50%033%00%010both ways
pomonaelectronics.com63%017%00%010both ways
XP Powerxppower.com50%050%020%010one-way
IDECidec.com38%00%020%09both ways
Schurterschurter.com25%033%020%09one-way
Vicor Corporationvicor.com50%017%020%09both ways
Bivarbivar.com38%00%020%08one-way
Rohde & Schwarzrohde-schwarz.com25%050%00%08one-way
NIC Componentsniccomp.com13%017%00%07one-way
What this is not

This is not a quality judgment on any brand. It measures one thing: whether the AI models buyers increasingly consult can connect a brand’s name to the components the channel says it supplies. Suspected alias splits are screened out before any blindness claim is made; brands we don’t yet collect first-party data for are bucketed separately and never presented as “blind.”

Source: tapes_distributor_ai_blindness_index v1.1 · substrate as of 2026-W24 · thresholds: ≥2 distributor frames, ≥5 placements · channel coverage measured against a versioned distributor frame registry per geo · AI mention mass from the weekly 17-lane panel, split by lab region · direction from the category-recall lane. Figures reproducible from methodology.