Recent Intel Fabrication Locations:

Fab 24 Leixlip, Ireland

Fab 28 Kiryat Gat, Israel

Fab 68 Dalian, China

Fab 42 Chandler, Arizona, USA

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Recent Intel Assembly Sites:

Heredia, Costa Rica

Chengdu, China

Kulim, Malaysia

Penang, Malaysia

Saigon, Vietnam

Chandler, Arizona

Most of that is almost certainly, in part, for tax related reasons. Intel is profitable; profitable US companies want to keep those profits outside the US (see: Google).