10–11 Mar 2027 · Wetzlar, DE

W3+ Fair Wetzlar

W3+ Fair Wetzlar is a two-day high-tech trade fair and accompanying conference focused on optics, photonics, electronics and mechanics, held at the Optics Center Central Hesse. It targets decision-makers, developers and innovation leaders and includes an exhibition area with company booths, a free specialist conference (en-tech.talks), campus/start-up areas, side events, matchmaking and guided tours. The event offers packaged stand options and additional networking events such as an evening gathering and after-work drinks.

Last updated August 13, 2026

Dates: 10–11 Mar 2027
Venue: Buderus Arena Wetzlar
Location: Wetzlar, DE
Frequency: Annual
Audience: Mixed
Duration: 2 days
Scale: National
Exhibitors: 147Fact
Area: 1,000 m²Fact

ElectronicsIndustrial & ManufacturingScience & ResearchIT & Software

Event website

Compiled from public sources and periodically reviewed and updated. This information is provided for general guidance only and may be incomplete or out of date — please verify all details directly with the organizer or venue before relying on them.

About W3+ Fair Wetzlar

W3+ Fair Wetzlar is a national trade show for the Electronics and Industrial & Manufacturing industries, held in Wetzlar, Germany. The 2027 edition runs 10–11 Mar 2027 at Buderus Arena Wetzlar. It brings together an estimated 147 exhibitors. Event Scout has indexed 147 exhibiting companies for the event so far.

Known editions

2027Upcoming10–11 Mar 2027
202619 Mar 2026
202524–25 Sep 2025

Venue

Buderus Arena Wetzlar

35576 Wetzlar, Hesse, DE

Who exhibits at W3+ Fair Wetzlar

We've captured 147 exhibitors for W3+ Fair Wetzlar (roster as of 2026). They span 10 countries, 15% of them based outside Germany.

Where exhibitors are based

Exhibitors' head-office countries, most-represented first.

Germany85%·119
United States4%·5
Switzerland2%·3
France2%·3
Lithuania2%·3

Based on 140 exhibitors with a known head-office country.

What exhibitors do

The industries the exhibitor base works in, by share of the roster.

Machinery Manufacturing49%·47
Services27%·26
Energy Electronics22%·21
Software It16%·15
Industrial Automation13%·13

Based on 97 exhibitors with an industry label — a company can carry several, so shares can total over 100%.

Exclusivity

54%Class Dof exhibitors exhibit nowhere else we track

Moderately exclusive — a meaningful share of exhibitors are unique to this event.

Cross-referenced against 147 exhibitors in our event graph.

International reach

15%Class Fof exhibitors are based abroad

Predominantly national — a mainly domestic exhibitor base.

Exhibitor calibre

Publicly listed22%·2

listed companies

Large enterprises22%·2

1,000+ employees

Of 9 exhibitors whose company size we know.

W3+ Fair Wetzlar 2027 exhibitor list

The W3+ Fair Wetzlar exhibitor list currently counts 140+ indexed companies. They span industries including energy-electronics, research and advancement of science and research. The preview below shows a sample of the indexed roster; the full list is available through Event Scout.

Company

Industry

Location

KKLA
energy-electronics
America's Most Innovative Companies lis, US
HHENSOLDT
energy-electronics
Taufkirchen, DE
TTno
research
Geleen, NL
WWerth
advancement of science and research
Gießen, DE
MMit Lösungen die Zukunft gestalten
energy-electronics
Oberkochen, DE

Buderus
HESSEN Landesregierung
SPEA
Meyer Optik Görlitz
ACI Laser GmbH
IMT Masken und Teilungen AG
Ihre Spezialisten im Gebiet der Spezialgläser
Argotech a.s.
Universal Photonics, Inc Welcome
beam
FLP Microfinishing GmbH
IHK
GIAI Photonics
Sensitec
Leidel & Kracht
Befort Wetzlar Optik
Sill Optics GmbH
Roehm
EDP Sciences

+ 122 more exhibitors

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Frequently asked questions

When is W3+ Fair Wetzlar 2027?

W3+ Fair Wetzlar 2027 runs 10–11 Mar 2027 at Buderus Arena Wetzlar.

Where is W3+ Fair Wetzlar held?

W3+ Fair Wetzlar is held at Buderus Arena Wetzlar in Wetzlar, Germany.

How many exhibitors does W3+ Fair Wetzlar have?

W3+ Fair Wetzlar counts an estimated 147 exhibitors. Event Scout has indexed 147 exhibiting companies so far.

Who exhibits at W3+ Fair Wetzlar?

Indexed exhibitors include KLA, HENSOLDT, Tno and Werth. The event spans the Electronics, Industrial & Manufacturing and Science & Research sectors.

Is W3+ Fair Wetzlar worth attending?

W3+ Fair Wetzlar is a national trade show for the Electronics and Industrial & Manufacturing industries, so it is most relevant to exhibitors and buyers in those industries. It brings together an estimated 147 exhibitors. Whether it is worth attending depends on your objectives, but its scale and sector focus are a useful guide.

How do I get the W3+ Fair Wetzlar exhibitor list?

Event Scout has indexed 147 companies exhibiting at W3+ Fair Wetzlar so far. A sample is shown in the exhibitor-list section on this page, and the full roster is available through Event Scout.

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