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O2 AI

EMS

What does EMS mean in a BOM?

Companies that manufacture electronic assemblies for other brands (contract manufacturing). EMS providers quote from customer BOMs and RFQs, making fast, accurate BOM sourcing central to their margin.

Related terms

← All electronics sourcing & BOM terms

Every part on your BOM, resolved automatically.

O2 reads a bill of materials end to end: it normalizes part numbers, checks lifecycle and compliance on every line, finds alternates, and drafts the quote.