Keller & Coll. is a banking company based out of Germany.
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The Keller & Coll. annual revenue was $4 million in 2026.
Keller & Coll. is based in Frankfurt Am Main, Hesse.
The NAICS codes for Keller & Coll. are [23833, 238330, 23, 238, 2383].
The SIC codes for Keller & Coll. are [175, 17].