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 →
Download this ranking as a PDF
We'll email it to you. One-off send — no list, no follow-up, no surprise marketing.
When asked about Manufacturing execution systems, AI engines most frequently recommend Plex as the top brand, with a visibility score of 37.5 percent. Siemens Opcenter and Rockwell Automation also rank highly among AI responses. This strong presence indicates their widespread recognition and potential reliability within the industry.
The current rankings are significantly influenced by sources like youtube.com, gartner.com, and epsilon3.io, often utilized by AI engines. These platforms, especially aggregator and review sites, mean the brands are scored based on diverse expert reviews and user experiences, enhancing their credibility and depth of analysis.
For buyers, this ranking suggests placing emphasis on recent reviews and third-party validation when selecting a system. AI engines value real-world user feedback and the depth of topical authority that such evaluations bring, making it crucial to consider how well-reviewed options are in relevant discussions and expert analyses.
At a glance
What we observed in this category
Plex leads the manufacturing execution systems category with a visibility score of 37.5%, more than three times the 12.5% held by the next tier of brands including Siemens Opcenter, Rockwell Automation, SAP Digital Manufacturing, Apriso, and FactoryTalk. The category average visibility sits at just 5.0%, which makes Plex's position structurally dominant rather than marginally ahead. This gap is significant because it means AI Mode is consistently surfacing Plex in responses while most other vendors appear infrequently or not at all.
The most striking divergence between visibility and citation belongs to Tulip, which holds 0.0% visibility but 25.0% citation, the highest citation rate in the dataset. This means AI Mode is pulling from Tulip's domain as a source without naming the brand in generated responses. Plex shows the opposite pattern, with 37.5% visibility and 0.0% citation, suggesting it is mentioned by name frequently but its own domain is not being cited as a reference. Siemens Opcenter, Rockwell Automation, SAP, Apriso, and FactoryTalk each show equal visibility and citation at 12.5%.
All top brands anchor exclusively to Google AI Mode, with no other engine appearing in the top engine column across the dataset. The top cited external sources include youtube.com, gartner.com, reddit.com, and abiresearch.com alongside smaller specialist sites such as epsilon3.io, averroes.ai, f7i.ai, and reliamag.com. Gartner's presence confirms that analyst content is influencing AI-generated answers in this category, while the inclusion of Reddit and YouTube indicates that community and video content also feed the AI's source pool.
Movers & shakers since last refresh
Biggest visibility risers
-
Apriso 0% → 12% · rank #20 → #5+12pp
Biggest visibility fallers
-
Tulip 12% → 0% · rank #3 → #7-12pp
-
Critical Manufacturing 12% → 0% · rank #2 → #11-12pp
The ranking
| # | Brand | Visibility | Citation | Top engine |
|---|---|---|---|---|
| 1 |
plex.com
|
38% | 0% | Google AI Mode |
Plex holds 37.5% visibility, seven times the 5.0% category average, but records 0.0% citation, meaning it is named without its domain being sourced. |
||||
| 2 |
siemens.com
|
12% | 12% | Google AI Mode |
Siemens Opcenter sits at 12.5% for both visibility and citation, matching the cluster average and showing a balanced but not differentiated AI presence. |
||||
| 3 |
rockwellautomation.com
|
12% | 12% | Google AI Mode |
Rockwell Automation scores 12.5% on both visibility and citation, identical to Siemens Opcenter and SAP, placing it in a tied second-tier group with no distinguishing signal. |
||||
| 4 |
sap.com
|
12% | 12% | Google AI Mode |
SAP Digital Manufacturing matches the second-tier at 12.5% visibility and citation, offering no separation from Siemens or Rockwell despite its broader enterprise brand recognition. |
||||
| 5 |
3ds.com
|
12% | 12% | Google AI Mode |
Apriso is the biggest riser in the dataset, jumping from rank 20 to rank 5 with a visibility gain of 12.5 points and a citation gain of 12.5 points this period. |
||||
| 6 |
rockwellautomation.com
|
12% | 12% | Google AI Mode |
| 7 |
tulip.co
|
0% | 25% | Google AI Mode |
| 8 |
aveva.com
|
0% | 12% | Google AI Mode |
| 9 |
42-q.com
|
0% | 12% | Google AI Mode |
| 10 |
3ds.com
|
0% | 12% | Google AI Mode |
| 11 |
criticalmanufacturing.com
|
0% | 0% | Google AI Mode |
| 12 |
oracle.com
|
0% | 0% | Google AI Mode |
| 13 |
aiscorp.com
|
0% | 0% | Google AI Mode |
| 14 |
epicor.com
|
0% | 0% | Google AI Mode |
| 15 |
qad.com
|
0% | 0% | Google AI Mode |
| 16 |
honeywell.com
|
0% | 0% | Google AI Mode |
| 17 |
koerber-supplychain.com
|
0% | 0% | Google AI Mode |
| 18 |
katanamrp.com
|
0% | 0% | Google AI Mode |
| 19 |
mastercontrol.com
|
0% | 0% | Google AI Mode |
| 20 |
ge.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. More on visibility →
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. More on citation rate →
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. How AI engines pick sources →
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. How AI search ranking works →
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, more than three times the score of any other brand in the category. The next tier of Siemens Opcenter, Rockwell Automation, SAP Digital Manufacturing, Apriso, and FactoryTalk each sit at 12.5%.
Which brand has the highest citation rate in this category?
Tulip holds the highest citation rate at 25.0% despite having 0.0% visibility, meaning AI Mode uses its content as a source without mentioning the brand by name in responses.
What sources does AI cite most for manufacturing execution systems research?
The top cited sources include youtube.com, gartner.com, reddit.com, and abiresearch.com, alongside niche sites such as epsilon3.io, averroes.ai, f7i.ai, and reliamag.com.
Which brands have seen the biggest recent changes in AI visibility?
Apriso gained 12.5 visibility points, rising from rank 20 to rank 5. Tulip and Critical Manufacturing each lost 12.5 visibility points, falling from rank 3 and rank 2 respectively.
Is there a brand with high visibility but no citation in this category?
Yes, Plex has the highest visibility at 37.5% but a citation rate of 0.0%, indicating AI Mode names it in responses without drawing on its domain as a referenced source.
How does the category average compare to the leading brand?
The category average visibility is 5.0% against Plex's 37.5%, and the average citation rate is 6.2% against Tulip's 25.0%, showing that AI presence is highly concentrated at the top.