EX-21.1 79 a2139862zex-21_1.htm EXHIBIT 21.1
QuickLinks -- Click here to rapidly navigate through this document

Exhibit 21.1


List of Subsidiaries

Subsidiary

  State of Incorporation
G&D, Inc. d/b/a Star Guide Corporation   Colorado
Noble-Met, Ltd.    Virginia
UTI Corporation   Pennsylvania
Spectrum Manufacturing, Inc.    Nevada
American Technical Molding, Inc.    California
UTI Holding Company   Delaware
Micro-Guide, Inc.    California
Venusa, Ltd.    New York
MedSource Technologies, Inc.    Delaware
MedSource Technologies, LLC   Delaware
Brimfield Acquisition Corp.    Delaware
Brimfield Precision, LLC   Delaware
Kelco Acquisition, LLC   Delaware
Hayden Precision Industries, LLC   Delaware
National Wire & Stamping, Inc.    Colorado
Portlyn, LLC   Delaware
Texcel, Inc.    Massachusetts
The Microspring Company, LLC   Delaware
Tenax, LLC   Delaware
Thermat Acquisition Corp.    Delaware
MedSource Technologies Newton, Inc.    Delaware
MedSource Technologies Pittsburgh, Inc.    Delaware
MedSource Trenton, Inc.    Delaware
Cycam, Inc.    Pennsylvania
ELX, Inc.    Pennsylvania
Star Guide Limited, d/b/a Star Guide-Europe   Ireland
Venusa de Mexico, S.A. de C.V.    Mexico
Medis S.A. de C.V.    Mexico
UTI SFM Feinmechanik GmbH   Germany



QuickLinks

List of Subsidiaries