AI Visibility Ranking
Top 9 Most AI-Visible Engineering Suppliers
How ChatGPT, Claude, Perplexity, Gemini and DeepSeek rate Engineering suppliers. Updated June 5, 2026.
This ranking covers the 9 most AI-visible Engineering suppliers we have audited, drawn from a pool of 9 companies in the category with a complete audit on file. Each supplier was put in front of five AI engines, ChatGPT, Claude, Perplexity, Gemini and DeepSeek, and asked the kind of questions a real buyer asks: who is this company, what do they make, can they be trusted, and would you recommend them. The Signal Score on this page is the smoothed average of those answers, from 0 to 100. Across this top 9, the average score is 20 out of 100, and the spread is telling: 1 land at Weak Signal and 8 are still Dark Signal.
What makes Engineering interesting is not whether these are good suppliers, but how differently the AI models see them. Claude recognized the most companies in this set, while Perplexity recognized the fewest. Where engines did rate a supplier, Claude tended to give the highest marks. Notably, no supplier in this set was recognized by all five engines, which is the clearest measure of true cross-AI visibility: a supplier that only one or two models know is invisible to buyers using the others.
Use this list as a starting filter at the top of your sourcing funnel for Engineering, not as a verdict on quality or commercial fit. A supplier high on this list is easy for an AI procurement assistant to find and describe accurately, which shortens your research and lowers the chance an agent quietly skips them. A supplier low on the list, or absent from it, may still be an excellent partner that simply has not made itself legible to AI yet. The per-supplier notes below explain what each engine did and did not know, so you can judge the gap yourself.
The ranking at a glance
Overall Signal Score plus each engine's overall verdict rating (1 to 10). Where an engine recognized the supplier but did not return a rating, the cell shows "knows"; where it did not recognize them at all, it shows "not found".
| # | Supplier | Signal Score | ChatGPT | Claude | Perplexity | Gemini | DeepSeek |
|---|---|---|---|---|---|---|---|
| 1 | Satisloh Asia Ltd.hk | 48 / 100Weak | knows | 7/10 | not found | not found | knows |
| 2 | United Group for Engineering & Investment (UGEI)eg | 31 / 100Dark | not found | knows | not found | not found | not found |
| 3 | SMT INDUSTRIES CO., LTD. (Thailand)th | 28 / 100Dark | not found | knows | not found | not found | knows |
| 4 | HI-Q PLAS CO., LTD.th | 21 / 100Dark | not found | not found | not found | not found | knows |
| 5 | Propagation Systems Limitedhk | 21 / 100Dark | not found | knows | not found | not found | knows |
| 6 | 2GI Consultantfr | 8 / 100Dark | not found | not found | not found | not found | not found |
| 7 | Modern Engineering Consultancysa | 8 / 100Dark | not found | not found | not found | not found | not found |
| 8 | ENGINEERING FOR YOU GmbHde | 8 / 100Dark | not found | not found | not found | not found | not found |
| 9 | AJEC CONSULTINGsa | 5 / 100Dark | not found | not found | not found | not found | not found |
Supplier by supplier: what each AI model knows
1. Satisloh Asia Ltd. 48 / 100 · Weak Signal
Satisloh Asia Ltd. scores 48 out of 100, a Weak Signal, and ranks #1 in HK. ChatGPT, Claude and DeepSeek recognized the company; Perplexity and Gemini did not surface it, which is exactly the gap that costs visibility with buyers who default to those tools. Claude rated it 7 out of 10 on overall suitability.
AI engines have a strong, consistent picture of Satisloh Asia Ltd., a Engineering supplier in hk. Across recent queries the company scored 87 out of 100 (Strong Signal), with the strongest dimension being AI Recommendation Rate at 100 out of 100 and the weakest Product Clarity at 70 out of 100. 3 AI engines (out of 3 tested: GPT-4o, Claude Sonnet, deepseek-chat) returned substantive information about the company across identity, sourcing, and trust prompts. Products surfaced by AI include lens processing machinery, surfacing equipment, polishing equipment. Certifications and trust indicators referenced by AI: ce marking, iso-compliant manufacturing processes, iso 9001. The Improvement Roadmap below outlines how to close remaining gaps and push every dimension toward Strong Signal.
2. United Group for Engineering & Investment (UGEI) 31 / 100 · Dark Signal
United Group for Engineering & Investment (UGEI) scores 31 out of 100, a Dark Signal, and ranks #2 in EG. Claude recognized the company; ChatGPT, Perplexity, Gemini and DeepSeek did not surface it, which is exactly the gap that costs visibility with buyers who default to those tools.
AI engines have very limited information about United Group for Engineering & Investment (UGEI), a Engineering supplier in eg. Across recent queries the company scored 31 out of 100 (Dark Signal), with the strongest dimension being Digital Footprint at 70 out of 100 and the weakest Product Clarity at 10 out of 100. One AI engine (out of 2 tested: GPT-4o, Claude Sonnet) returned substantive information about the company across identity, sourcing, and trust prompts. No specific products were surfaced by AI engines for this supplier, which contributes directly to the Product Clarity dimension at 10 out of 100. No certifications or third-party validations surfaced in AI responses, which limits the Buyer Trust dimension at 20 out of 100 and the AI Recommendation Rate at 30 out of 100. The biggest opportunity for improvement is the Product Clarity dimension; the Improvement Roadmap below lists concrete supplier-executable actions ranked by expected score uplift.
See the full audit for United Group for Engineering & Investment (UGEI)
3. SMT INDUSTRIES CO., LTD. (Thailand) 28 / 100 · Dark Signal
SMT INDUSTRIES CO., LTD. (Thailand) scores 28 out of 100, a Dark Signal, and ranks #3 in TH. Claude and DeepSeek recognized the company; ChatGPT, Perplexity and Gemini did not surface it, which is exactly the gap that costs visibility with buyers who default to those tools.
AI engines recognize SMT INDUSTRIES CO., LTD. (Thailand), a Engineering supplier in th. Across recent queries the company scored 71 out of 100 (Moderate Signal), with the strongest dimension being Identity and Presence at 80 out of 100 and the weakest Buyer Trust at 60 out of 100. 2 AI engines (out of 4 tested: GPT-4o mini, Claude Haiku, gemini-2.5-flash, deepseek-chat) returned substantive information about the company across identity, sourcing, and trust prompts. Products surfaced by AI include precision turned parts, cnc machining parts, automatic lathe parts. Certifications and trust indicators referenced by AI: iso 9001:2015. The Improvement Roadmap below outlines how to close remaining gaps and push every dimension toward Strong Signal.
4. HI-Q PLAS CO., LTD. 21 / 100 · Dark Signal
HI-Q PLAS CO., LTD. scores 21 out of 100, a Dark Signal, and ranks #4 in TH. DeepSeek recognized the company; ChatGPT, Claude, Perplexity and Gemini did not surface it, which is exactly the gap that costs visibility with buyers who default to those tools.
AI engines have very limited information about HI-Q PLAS CO., LTD., a Engineering supplier in th. Across recent queries the company scored 36 out of 100 (Dark Signal), with the strongest dimension being Product Clarity at 80 out of 100 and the weakest AI Recommendation Rate at 0 out of 100. One AI engine (out of 4 tested: GPT-4o mini, Claude Haiku, gemini-2.5-flash, deepseek-chat) returned substantive information about the company across identity, sourcing, and trust prompts. Products surfaced by AI include plastic engineering, injection molding, plastic parts. No certifications or third-party validations surfaced in AI responses, which limits the Buyer Trust dimension at 25 out of 100 and the AI Recommendation Rate at 0 out of 100. The biggest opportunity for improvement is the AI Recommendation Rate dimension; the Improvement Roadmap below lists concrete supplier-executable actions ranked by expected score uplift.
5. Propagation Systems Limited 21 / 100 · Dark Signal
Propagation Systems Limited scores 21 out of 100, a Dark Signal, and ranks #5 in HK. Claude and DeepSeek recognized the company; ChatGPT, Perplexity and Gemini did not surface it, which is exactly the gap that costs visibility with buyers who default to those tools.
AI engines have a partial picture of Propagation Systems Limited, a Engineering supplier in hk. Across recent queries the company scored 46 out of 100 (Weak Signal), with the strongest dimension being Identity and Presence at 80 out of 100 and the weakest AI Recommendation Rate at 20 out of 100. 2 AI engines (out of 4 tested: GPT-4o mini, Claude Haiku, gemini-2.5-flash, deepseek-chat) returned substantive information about the company across identity, sourcing, and trust prompts. Products surfaced by AI include rf (radio frequency) and antenna systems, telecommunications and broadcast engineering, components for wireless infrastructure. No certifications or third-party validations surfaced in AI responses, which limits the Buyer Trust dimension at 45 out of 100 and the AI Recommendation Rate at 20 out of 100. The biggest opportunity for improvement is the AI Recommendation Rate dimension; the Improvement Roadmap below lists concrete supplier-executable actions ranked by expected score uplift.
6. 2GI Consultant 8 / 100 · Dark Signal
2GI Consultant scores 8 out of 100, a Dark Signal, and ranks #6 in FR. None of the five engines reliably recognized the company, so its score reflects mostly indirect signals.
AI engines have very limited information about 2GI Consultant, a Engineering supplier in fr. Across recent queries the company scored 8 out of 100 (Dark Signal), with the strongest dimension being Digital Footprint at 50 and the weakest AI Recommendation Rate at 0. None of the tested AI engines returned substantive information. The biggest opportunity for improvement is in AI Recommendation Rate; concrete actions are listed in the recommendations section.
7. Modern Engineering Consultancy 8 / 100 · Dark Signal
Modern Engineering Consultancy scores 8 out of 100, a Dark Signal, and ranks #7 in SA. None of the five engines reliably recognized the company, so its score reflects mostly indirect signals.
AI engines have very limited information about Modern Engineering Consultancy, a Engineering supplier in sa. Across recent queries the company scored 8 out of 100 (Dark Signal), with the strongest dimension being Digital Footprint at 50 and the weakest AI Recommendation Rate at 0. None of the tested AI engines returned substantive information. The biggest opportunity for improvement is in AI Recommendation Rate; concrete actions are listed in the recommendations section.
8. ENGINEERING FOR YOU GmbH 8 / 100 · Dark Signal
ENGINEERING FOR YOU GmbH scores 8 out of 100, a Dark Signal, and ranks #8 in DE. None of the five engines reliably recognized the company, so its score reflects mostly indirect signals.
AI engines have very limited information about ENGINEERING FOR YOU GmbH, a Engineering supplier in de. Across recent queries the company scored 8 out of 100 (Dark Signal), with the strongest dimension being Digital Footprint at 50 out of 100 and the weakest AI Recommendation Rate at 0 out of 100. None of the 2 tested AI engines (GPT-4o mini, Claude Haiku) returned substantive information about the company, even when queried by name, category, or domain. No specific products were surfaced by AI engines for this supplier, which contributes directly to the Product Clarity dimension at 0 out of 100. No certifications or third-party validations surfaced in AI responses, which limits the Buyer Trust dimension at 0 out of 100 and the AI Recommendation Rate at 0 out of 100. The biggest opportunity for improvement is the AI Recommendation Rate dimension; the Improvement Roadmap below lists concrete supplier-executable actions ranked by expected score uplift.
9. AJEC CONSULTING 5 / 100 · Dark Signal
AJEC CONSULTING scores 5 out of 100, a Dark Signal, and ranks #9 in SA. None of the five engines reliably recognized the company, so its score reflects mostly indirect signals.
AI engines have very limited information about AJEC CONSULTING, a Engineering supplier in sa. Across recent queries the company scored 5 out of 100 (Dark Signal), with the strongest dimension being Digital Footprint at 30 and the weakest AI Recommendation Rate at 0. None of the tested AI engines returned substantive information. The biggest opportunity for improvement is in AI Recommendation Rate; concrete actions are listed in the recommendations section.
How we built this ranking
Every supplier on this page was scored with the same locked Signal method. We send a fixed set of buyer-style prompts to ChatGPT, Claude, Perplexity, Gemini and DeepSeek, in more than one buyer language, and parse each answer for whether the model recognized the company, what products and certifications it named, its sentiment, and an overall verdict from 1 to 10. Those signals roll up into five weighted dimensions and a single 0 to 100 Signal Score, smoothed over the three most recent audit runs to dampen model jitter. We do not adjust weights per supplier and we do not accept payment for placement. The Engineering ranking is rebuilt automatically as audits refresh, so a supplier that improves its AI footprint can climb, and one that lets its data go stale can fall. Full detail on prompts, weights and refresh cadence is on the methodology page.
Read the full Signal methodology
Caveats
A few honest caveats. This is a measure of AI visibility, not product quality, price or delivery reliability, so always run your own due diligence before you commit to any Engineering supplier. AI models change their answers over time and occasionally refuse to rate a company at all, which is why some cells in the table read as not found rather than a number. Coverage is also a function of which suppliers we have audited so far; a strong supplier we have not yet reached will not appear here yet. Treat the ranking as a live snapshot, dated below, rather than a final word.
Our recommendation
If you are sourcing Engineering and want to move fast, start with Satisloh Asia Ltd., United Group for Engineering & Investment (UGEI) and SMT INDUSTRIES CO., LTD. (Thailand). They are the easiest for an AI procurement assistant to find and describe correctly, which means less manual research and fewer surprises when you brief an agent to shortlist for you. Shortlist two or three, then verify each directly on price, capacity, certifications and references before you commit. If you are a supplier reading your own category, the gap between your score and the leaders is the gap an AI buyer sees first, and it is closeable: each supplier page on Reevol Signal shows exactly which engines miss you and what to fix.
Ranking as of June 5, 2026. Browse the full Engineering leaderboard for every audited supplier in the category.