EX-21.1 3 mant12-31x2013ex211.htm SUBSIDIARIES OF THE REGISTRANT MANT 12-31-2013 Ex 21.1


EXHIBIT 21.1
Subsidiaries of the Registrant

The significant subsidiaries of the Registrant, as defined in Section 1-02(w) of regulation S-X, are:

ManTech Advanced Systems International, Inc.

ManTech Mission Operations Corporation

ManTech SRS Technologies, Inc.

ManTech Systems Engineering Corporation