Smart Energy Week Autumn 2025: 489 exhibitors & sponsors
Smart Energy Week Autumn 2025 had 489 exhibitors and sponsors in Chiba, Japan from 40 countries. Renewable Energy & Cleantech is the biggest block on the floor at 15% of the companies we matched, ahead of industrial machinery & equipment and hardware, semiconductors & iot. No single country dominates: Japan leads with 21%.
- 489
- exhibitors & sponsors as of 5 Nov 2026
- 40
- headquarters countries most from Japan
- 206
- matched to a company profile industry, size, HQ
- 42,000
- expected visitors organiser’s figure
The show floor, by sector
Each square is a company we matched to a profile, grouped by its main sector. Renewable Energy & Cleantech makes up 15% of Smart Energy Week Autumn 2025; the gray block is the other 57 sectors combined.
- Renewable Energy & Cleantech 27 · 15%
- Industrial Machinery & Equipment 13 · 7.3%
- Hardware, Semiconductors & IoT 8 · 4.5%
- Chemicals & Materials 7 · 3.9%
- Electrical & Electronics Manufacturing 7 · 3.9%
- Engineering & Technical Services 7 · 3.9%
- Everything else 110 · 61%
Each square is one company.
Who exhibits at Smart Energy Week Autumn
Company size and headquarters for the 206 exhibitors we matched. A mid-market floor: 31% have 51–1,000 employees.
Smart Energy Week Autumn 2025 exhibitor list
The first 25 of 489: sponsors and exhibitors from the show’s core sectors first. The full list adds every company, its website, and the people to contact.
| Company | Industry | Size | HQ | Role |
|---|---|---|---|---|
ON2Quest on2quest.com | Engineering & Technical Services | 2–10 | Singapore | Exhibitor |
Keysight Technologies keysight.com | Hardware, Semiconductors & IoT | 10,001+ | United States | — |
Mitsubishi Heavy Industries mhi.com | Industrial Machinery & Equipment | 10,001+ | Japan | — |
SolaX Power solaxpower.com | Renewable Energy & Cleantech | 1,001–5,000 | China | — |
Murata murata.com | Hardware, Semiconductors & IoT | 10,001+ | Japan | — |
Panduit panduit.com | Electrical & Electronics Manufacturing | 1,001–5,000 | United States | — |
Sumitomo Electric sumitomoelectric.com | Electrical & Electronics Manufacturing | 10,001+ | Japan | — |
Vaisala vaisala.com | Hardware, Semiconductors & IoT | 1,001–5,000 | Finland | — |
Tokamak Energy tokamakenergy.com | Renewable Energy & Cleantech | 201–500 | United Kingdom | — |
NTS nts-group.com | Engineering & Technical Services | 1,001–5,000 | Netherlands | — |
GridBeyond gridbeyond.com | Renewable Energy & Cleantech | 51–200 | Ireland | — |
DIC Corporation dic-global.com | Chemicals & Materials | 10,001+ | Japan | — |
FURUKAWA ELECTRIC GROUP furukawaelectric.com | Electrical & Electronics Manufacturing | 10,001+ | Japan | — |
Hydrogen Energy Association ukhea.co.uk | Renewable Energy & Cleantech | 2–10 | United Kingdom | — |
OCSiAl Group tuball.com | Chemicals & Materials | 501–1,000 | Luxembourg | — |
Solargis solargis.com | Renewable Energy & Cleantech | 51–200 | Slovakia | — |
Fujikura Europe europe.fujikura.com | Electrical & Electronics Manufacturing | 51–200 | United Kingdom | — |
Rigaku rigaku.com | Industrial Machinery & Equipment | 1,001–5,000 | Japan | — |
Hystar hystar.com | Renewable Energy & Cleantech | 51–200 | Norway | — |
KONČAR - Electrical Engineering Institute koncar-institut.com | Engineering & Technical Services | 51–200 | Croatia | — |
Fusion Industry Association fusionindustryassociation.org | Renewable Energy & Cleantech | 2–10 | United States | — |
Rockfin rockfin.pl | Industrial Machinery & Equipment | 1,001–5,000 | Poland | — |
Bell Energy bell-energy.com | Engineering & Technical Services | 51–200 | United Arab Emirates | — |
OES Group oesgroupltd.com | Engineering & Technical Services | 51–200 | United Kingdom | — |
CPower Energy cpowerenergy.com | Renewable Energy & Cleantech | 51–200 | United States | — |
Book a 15-minute call. We'll walk you through the full list and how we can help you reach the right people while the show is fresh.
Book a call →Smart Energy Week Autumn exhibitors also show up at
The events sharing the most exhibitors with Smart Energy Week Autumn 2025. 9% of the companies we matched here also exhibit at Manufacturing World Tokyo 2026.
What people do with this list
Follow up with Smart Energy Week Autumn exhibitors
We'll walk you through all 489 companies and the decision-makers at each, then RocketSDR can research every account and write the outreach. Reach them while the show is still fresh.
Find sponsors among companies that exhibit at shows like this
Exhibitors at Smart Energy Week Autumn and Manufacturing World Tokyo already budget for events in your space. We find the ones that fit your audience and the person who signs off on sponsorship.
More renewable energy & cleantech shows
All renewable energy & cleantech shows · Trade shows in Japan · Everything in September 2025
Smart Energy Week Autumn 2025: quick answers
How many companies exhibit at Smart Energy Week Autumn 2025?
489 companies are listed as exhibitors or sponsors at Smart Energy Week Autumn 2025, as of 5 Nov 2026. Of those, 2 as exhibitors; the rest come from combined exhibitor and sponsor lists. We matched 206 of them to a company profile with industry, size and headquarters.
What industries exhibit at Smart Energy Week Autumn 2025?
Among the 179 exhibitors we matched, the largest groups are Renewable Energy & Cleantech (15%), Industrial Machinery & Equipment (7.3%), Hardware, Semiconductors & IoT (4.5%). In total they span 63 sectors.
Where are Smart Energy Week Autumn exhibitors from?
Exhibitors we matched are headquartered in 40 countries. The most represented are Japan (44), United States (33), Germany (13).
When and where is Smart Energy Week Autumn 2025?
Smart Energy Week Autumn 2025 took place 17–19 Sept 2025 at Makuhari Messe, Chiba, Japan, organised by RX Japan GK.
Turn the Smart Energy Week Autumn list into meetings
RocketSDR finds the right person at every exhibitor, researches each account, and runs personalised outreach across email and LinkedIn — so you walk into the show with meetings booked.