EXHIBIT 21.1
Subsidiaries of the Company
1st Tier
— | ManTech Command Control Systems Corporation, a Virginia corporation |
— | ManTech Information Systems &Technology Corporation, a Virginia corporation |
— | ManTech Security & Mission Assurance Corporation, a Delaware corporation |
— | ManTech Solutions & Technologies Corporation, a Virginia corporation |
— | ManTech Systems Engineering Corporation, a Virginia corporation |
— | ManTech Environmental Corporation, a Virginia corporation |
— | ManTech Support Technology, Inc., a Virginia corporation |
— | NSI Technology Services Corporation, a California corporation |
— | ManTech Advanced Systems International, Inc., a Virginia corporation |
— | ManTech Telecommunications and Information Systems Corporation, a Delaware corporation |
— | ManTech Europe Systems Corporation, a Virginia corporation |
— | ManTech Australia Pty. Ltd., a corporation organized and existing under the laws of the Commonwealth of Australia |
— | ManTech Australia International, Inc., a Virginia corporation |
— | ManTech U.K. Systems Corporation, a Virginia corporation |
— | ManTech Advanced Development Group, Inc., a California corporation |
— | ManTech Security Technologies Corporation, a Virginia corporation |
— | ManTech Gray Hawk Systems, Inc., a Virginia corporation |
— | ManTech GRS Solutions, Inc., a Maryland corporation |
— | ManTech SRS Technologies, Inc., a California corporation |
— | ManTech Global Services Corporation, a Virginia corporation |
— | ManTech MBI, Inc., a Virginia corporation |
2nd Tier
— | Technology Management Corporation, a Virginia corporation |
— | ManTech Systems Corporation, a New Jersey corporation |
— | ManTech Systems Solutions Corporation, a Virginia corporation |
— | MASI U.K. Limited, a corporation organized and existing under the laws of the United Kingdom |
— | Field Support Services Muhendislik Ltd. Sti., a corporation organized and existing under the laws of Turkey |
— | Redesmundial, S.A., a corporation organized and existing under the laws of the Republic of Panama |
— | ManTech Europe, Ltd., a corporation organized and existing under the laws of the United Kingdom |
— | ManTech Test Systems, Inc., a Virginia corporation |
— | ManTech Environmental Research Services Corporation, a Virginia corporation |
— | DB Data Systems, LLC, a Virginia corporation |
— | Gray Hawk Technology Solutions, LLC, a Virginia corporation |
— | Hawkeye Systems, LLC, a Virginia corporation |
— | Symmetron Holding Corporation, a Virginia corporation |
3rd Tier
— | ManTech Advanced Recognition Limited, a corporation organized and existing under the laws of the United Kingdom |
— | ManTech Database Services Europe Limited, a corporation organized and existing under the laws of the United Kingdom |
— | Symmetron, LLC, a Virginia corporation |