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Wilo

European manufacturer of pumps and pump systems

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 31, 2026
Entity authorityQ875633
Source-derived summary

WILO SE is a German manufacturer of pumps and pump systems for the building technology, water and industrial sectors with headquarters in Dortmund, Germany. Founded in 1872 as copper and brass factory by Louis Opländer, the company has over 90 production facitlities in more than 50 countries and employs around 9000 people worldwide (2025 annual average).

Wilo SE is the managerial holding of the WILO group, a result of a merger between Wilo-Salmson AG and Wilo GmbH in 2002. For the year 2021, the company registered a revenue of EUR 1,885.7 million with an EBIT of EUR 196.7 million. EUR 70.6 million was spent by the group for research and development in 2022. The group manufactures pumps and pump systems at 15 production facilities across Europe, Asia and America. The group produce about 10 million pumps annually.

History

Caspar Ludwig ("Louis") Opländer founded the company in 1872 as a copper and brassware factory in Dortmund. The Caspar Ludwig Opländer Foundation, founded by the Opländer family in 2011, is the majority shareholder of the WILO SE with a stake of approximately 90 percent.

WILO group is managed by an executive board and a supervisory board composed of internationally recognised business leaders.

Editorial summary

“Wilo” enters the record as european manufacturer of pumps and pump systems. Crown Archives preserves that source wording while asking what Wilo, European and manufacturer can confirm, complicate or overturn.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—1872, 2025, 2002, 2021—that can be checked directly. The linked authority record independently contributes the date 2002-01-01. Its strongest next move is a source search built around Wilo, European and manufacturer.
Editorial analysis

Why this record matters

“Wilo” is worth following because a concise public description often conceals a longer documentary argument. Here, Wilo, European and manufacturer provides the most credible route into that argument.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 31, 2026. The linked authority identifier is Q875633. VIAF identifies the subject as 164145542659996642107. 2 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1872, 2025, 2002 and 2021.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Wilo”, its source revision and the description used here.
  2. Expand the search: follow Wilo primary sources, Wilo archive and Wilo research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Wilo”?
  2. Which cited source is closest to the event, object or claim?
  3. Which institution is responsible for the underlying evidence?
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Source & attribution

This entry incorporates text from Wilo” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.