Why is it der Zulieferer?

Zulieferer ends in -er, and most nouns ending in -er are masculine: in a German dictionary, 86% of them take der.

All nouns ending in -er
Sense 1
der

Meaning

[1] Operation (or also person) that provides other processing for further processing

[1] Betrieb (oder auch Person), der anderen Betrieben Vorprodukte zur Weiterverarbeitung liefert

Examples

[1] Auto companies receive many components for the final assembly of their vehicles from suppliers

[1] Autofirmen erhalten viele Bauteile für die Endmontage ihrer Fahrzeuge von Zulieferern.

[1] "Saxony and Thuringia are particularly affected by the severe automotive crisis, where an extensive automotive industry, including many suppliers, has been created in recent years"

[1] „Von der schweren Automobilkrise betroffen sind vor allem Sachsen und Thüringen, wo in den vergangenen Jahren eine umfangreiche Automobilindustrie einschließlich vieler Zulieferer entstanden ist.“

Declension

1 Singular Plural
Nominativ der Zulieferer die Zulieferer
Genitiv des Zulieferers der Zulieferer
Dativ dem Zulieferer den Zulieferern
Akkusativ den Zulieferer die Zulieferer

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary