Owner: KOCH MICROELECTRONIC SERVICE COMPANY INC.

Electrical and Scientific Apparatus and 2 other

Owner

KOCH MICROELECTRONIC SERVICE COMPANY, INC.

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Environmental Control Apparatus

Owner

KOCH MICROELECTRONIC SERVICE COMPANY, INC.

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Chemicals

Owner

KOCH MICROELECTRONIC SERVICE COMPANY, INC.

Feb 22, 2000

Chemicals

Owner

KOCH MICROELECTRONIC SERVICE COMPANY, INC.

Jul 17, 2001