EXHIBIT 21.1

SUBSIDIARIES OF GREATBATCH, INC.

Subsidiary	Incorporated
Greatbatch Ltd. (direct subsidiary of Greatbatch, Inc.)	New York
Greatbatch LLC (direct subsidiary of Greatbatch Ltd.)	Delaware
Greatbatch Medical, S. de R.L. de C.V. (owned 99% by Greatbatch LLC & 1% by Greatbatch, Inc.)	Mexico
Electrochem Solutions, Inc. (direct subsidiary of Greatbatch Ltd.)	Massachusetts
Micro Power Electronics, Inc. (direct subsidiary of Electrochem Solutions, Inc.)	Delaware
Greatbatch-Globe Tool, Inc. (direct subsidiary of Greatbatch Ltd.)	Minnesota
Precimed, Inc. (direct subsidiary of Greatbatch Ltd.)	Pennsylvania
QiG Group, LLC (direct subsidiary of Greatbatch Ltd.)	Delaware
P Medical Holding SA (direct subsidiary of Greatbatch Ltd.)	Switzerland
Greatbatch Medical SA (direct subsidiary of P Medical Holding SA)	Switzerland
Greatbatch Medical SAS (direct subsidiary of Greatbatch Medical SA)	France
NeuroNexus Technologies, Inc. (direct subsidiary of Greatbatch Ltd.)	Michigan
Algostim LLC (owned 88% by QiG Group, LLC)	Delaware