1–2 Dec 2026 · Paris, FR

STEP

STEP by Pollutec is a two-day European event focused on ecological transformation, targeting industrial players, eco-industries, local authorities and investors to accelerate decarbonisation and the circular economy. The show features exhibitions (about 200 exhibitors), conferences (35+ sessions), and B2B meetings (around 750) covering solutions and strategies for environmental and climate challenges. It is positioned for professionals seeking networking, visibility and knowledge exchange in the French and Northern European markets.

Last updated

Dates
1–2 Dec 2026
Venue
Paris Expo Porte de Versailles - Pavillon 5.2
Location
Paris, FR
Frequency
Annual
Audience
Trade
Duration
2 days
Scale
International
Exhibitors
128Fact
Visitors
9,000Fact
Environment & Water
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 This information is provided for general guidance only and may be incomplete or out of date — please verify all details directly with the organizer or venue before relying on them.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 STEP

STEP is an international trade show for the Environment & Water industry, held in Paris, France. The 2026 edition runs 1–2 Dec 2026 at Paris Expo Porte de Versailles - Pavillon 5.2. It brings together an estimated 128 exhibitors and 9,000 visitors (organizer-confirmed). Event Scout has indexed 127 exhibiting companies for the event so far.

Known editions

Venue

Paris Expo Porte de Versailles - Pavillon 5.2

1 place de la Porte de Versailles, 75015 - Paris (France), 75015 Paris, Ile-de-France, FR

Who exhibits at STEP

We've captured 127 exhibitors for STEP (roster as of 2026). They span 14 countries, 26% of them based outside France.

Where exhibitors are based

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

  • France74%·94
  • Germany6%·8
  • Belgium6%·7
  • Italy5%·6
  • Poland2%·2

Based on 127 exhibitors with a known head-office country.

What exhibitors do

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

  • Services39%·27
  • Software It26%·18
  • Machinery Manufacturing20%·14
  • Energy Electronics13%·9
  • Chemicals Materials9%·6

Based on 70 exhibitors with an industry label — a company can carry several, so shares can total over 100%.

Exclusivity

32%Class Eof exhibitors exhibit nowhere else we track

Broadly networked — many of these exhibitors also turn up at other events we track.

Cross-referenced against 127 exhibitors in our event graph.

International reach

26%Class Fof exhibitors are based abroad

Predominantly national — a mainly domestic exhibitor base.

Exhibitor calibre

Publicly listed43%·3

listed companies

Large enterprises43%·3

1,000+ employees

Of 7 exhibitors whose company size we know.

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.

STEP 2026 exhibitor list

So far, 120+ exhibiting companies have been indexed for STEP. They span industries including healthcare-pharma, energy-electronics and construction. The preview below shows a sample of the indexed roster; the full list is available through Event Scout.

  • HORIBA
  • Spaleck Oberflächentechnik
  • GEA
  • AMCS
  • Caldic
  • Desotec
  • Acoem
  • La qualification OPQIBI
  • UNTHA shredding technology GmbH
  • ALFAGOMMA
  • SDEC France
  • inVirtus Technologies
  • Clauger
  • MERCURY GBS TEST UNO
  • SGM Magnetics
  • 2G Energie
  • Pellenc ST
  • STONEX

+ 102 more exhibitors

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Frequently asked questions

When is STEP 2026?
STEP 2026 runs 1–2 Dec 2026 at Paris Expo Porte de Versailles - Pavillon 5.2.
Where is STEP held?
STEP is held at Paris Expo Porte de Versailles - Pavillon 5.2 in Paris, France.
How many exhibitors does STEP have?
STEP counts an estimated 128 exhibitors. Event Scout has indexed 127 exhibiting companies so far.
Who exhibits at STEP?
Indexed exhibitors include Thermo Fisher Scientific, ENGIE, Heidelberg Materials and Tennaxia. The event spans the Environment & Water sector.
Is STEP worth attending?
STEP is an international trade show for the Environment & Water industry, so it is most relevant to exhibitors and buyers in that industry. It brings together an estimated 128 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 STEP exhibitor list?
Event Scout has indexed 127 companies exhibiting at STEP 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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