Manufacturing execution systems: AI search visibility ranking (2026)
How AI search engines rank manufacturing execution systems by visibility and citations. 20 brands measured monthly across Google AI Mode: which brands the AI names in answers, which domains it cites as sources, and how the leaders compare. Manufacturing execution systems used to manage shop-floor workflows, trace production, improve quality, and connect plants with enterprise systems. Composite score: 70% visibility (% of AI answers naming the brand) + 30% citation rate (% citing the brand's domain). Full methodology →
Refreshed Jun 13, 2026Download this ranking as a PDF
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At a glance
What we observed in this categoryauto-generated
Plex leads the Manufacturing Execution Systems category with a visibility score of 37.5%, which is six times the category average of 6.2%. That gap is significant because it means AI Mode surfaces Plex in responses far more consistently than any other brand. Ranks 2 through 8 are clustered at exactly 12.5% visibility, suggesting Google AI Mode treats those brands as broadly equivalent, while Plex occupies a clearly separate tier at the top.
A striking pattern in this data is that citation rates are near zero across the entire category. Plex holds the top visibility score yet carries a 0.0% citation rate, as do all brands ranked 2 through 8. Only Oracle MES, ranked 9th with zero visibility, registers any citation activity at 12.5%. This inversion shows that being named in AI responses and being cited as a source are completely decoupled in this category, and no single brand has achieved both simultaneously.
The top cited sources in this category are review and analyst platforms, specifically Gartner, G2, SoftwareReviews, and ABI Research, alongside Wikipedia and epsilon3.io. Google AI Mode appears to anchor its MES responses on third-party evaluation content rather than vendor domains directly. All ten ranked brands share Google AI Mode as their top engine, confirming this is a single-engine visibility story with no meaningful differentiation by platform across the tracked brands.
Movers & shakers since last refresh
Biggest visibility risers
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Plex 0% → 38% · rank #0 → #1+38pp
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Critical Manufacturing 0% → 12% · rank #0 → #2+12pp
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Tulip 0% → 12% · rank #0 → #3+12pp
The ranking
| # | Brand | Visibility | Citation | Top engine |
|---|---|---|---|---|
| 1 |
plex.com
|
38% | 0% | Google AI Mode |
Plex sits at 37.5% visibility, three times the score of any competitor and six times the 6.2% category average, yet holds a 0.0% citation rate. |
||||
| 2 |
criticalmanufacturing.com
|
12% | 0% | Google AI Mode |
Critical Manufacturing shares an identical 12.5% visibility and 0.0% citation rate with six other brands, giving it no measurable AI differentiation from ranks 3 through 8. |
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| 3 |
tulip.co
|
12% | 0% | Google AI Mode |
Tulip matches Critical Manufacturing exactly at 12.5% visibility and a composite score of 8.8, ranking third only by ordering convention rather than any distinguishing AI signal. |
||||
| 4 |
3ds.com
|
12% | 0% | Google AI Mode |
Apriso, hosted on the 3ds.com domain, holds the same 12.5% visibility composite as Tulip and Critical Manufacturing, showing no domain authority advantage in AI Mode responses. |
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| 5 |
rockwellautomation.com
|
12% | 0% | Google AI Mode |
FactoryTalk from Rockwell Automation sits at 12.5% visibility with a 0.0% citation rate, statistically indistinguishable from four other brands sharing the same composite score of 8.8. |
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| 6 |
siemens.com
|
12% | 0% | Google AI Mode |
| 7 |
rockwellautomation.com
|
12% | 0% | Google AI Mode |
| 8 |
sap.com
|
12% | 0% | Google AI Mode |
| 9 |
oracle.com
|
0% | 12% | Google AI Mode |
| 10 |
aiscorp.com
|
0% | 0% | Google AI Mode |
| 11 |
aveva.com
|
0% | 0% | Google AI Mode |
| 12 |
epicor.com
|
0% | 0% | Google AI Mode |
| 13 |
qad.com
|
0% | 0% | Google AI Mode |
| 14 |
honeywell.com
|
0% | 0% | Google AI Mode |
| 15 |
42-q.com
|
0% | 0% | Google AI Mode |
| 16 |
koerber-supplychain.com
|
0% | 0% | Google AI Mode |
| 17 |
katanamrp.com
|
0% | 0% | Google AI Mode |
| 18 |
mastercontrol.com
|
0% | 0% | Google AI Mode |
| 19 |
ge.com
|
0% | 0% | Google AI Mode |
| 20 |
3ds.com
|
0% | 0% | Google AI Mode |
Sources AI engines trust in this category
Across the 8 buyer-intent queries we ran on manufacturing execution systems, these are the domains Google AI Mode cited most often. If you're not on this list — or if your competitors are — that's a concrete PR / linkbuilding target.
How to read this ranking
Four things worth knowing before you act on the numbers above. These are the same definitions across every industry page — for category-specific observations, see the What we observed section above (where available) and the per-brand insights inline in the ranking.
Visibility = being named
A brand's visibility % is the share of AI answers that mention it by name in the response prose. This is who AI engines actively recommend to the buyer.
Citation rate = being trusted
Citation rate is the share of AI answers that include the brand's domain as a clickable source link. This is what the AI treats as authoritative evidence — different from being named.
Top engine differs by brand
The "top engine" column shows which AI surface each brand performs best on. Big gaps between a brand's score across engines usually points to specific content or schema gaps.
Rankings move month to month
AI engines re-crawl and re-rank on shorter cycles than classical search. We re-audit every brand on this list at least every 30 days and refresh this page automatically.
Get your own manufacturing execution systems brand audited
The brands above were curated from public market-leader lists. Want the same measurement against your own brand — including the queries you appear on, which competitors get named instead, and a prioritised fix list? Run a free preview.
Frequently asked about manufacturing execution systems AI visibility
Who leads AI visibility in Manufacturing Execution Systems?
Plex leads with 37.5% visibility, far ahead of the next tier of brands clustered at 12.5%. No other brand comes close to its composite score of 26.2 versus the category average of 6.2%.
Which MES brands are cited most by AI engines?
Oracle MES is the only brand in the top 10 with any citation activity, registering 12.5% despite having zero visibility. All other top-ranked brands including Plex carry a 0.0% citation rate.
What sources does Google AI Mode anchor on for MES research?
The top cited sources are Gartner, G2, SoftwareReviews, ABI Research, Wikipedia, and epsilon3.io, suggesting AI Mode relies on third-party analyst and review content rather than vendor websites directly.
Is there any brand that achieves both high visibility and high citation in this category?
No. The data shows a complete disconnect between visibility and citation, with Plex dominating named mentions and Oracle MES being the only brand cited, yet Oracle holds zero visibility.
How concentrated is AI visibility in the MES category?
Visibility is moderately concentrated, with Plex alone accounting for a disproportionate share at 37.5%, while ranks 2 through 8 are all tied at 12.5% and ranks 9 and 10 hold zero visibility.
Are multiple AI engines important in the MES category?
No. Every brand in the top 10 lists Google AI Mode as its top engine, indicating this category's AI visibility is driven entirely by a single platform with no differentiation across other engines.