| | TETRA TECH EMC, INC. | SEAPORT-NXG | IDC | $500 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | R499SUPPORT- PROFESSIONAL: OTHER | Dec 3, 2018 | Jan 2, 2019 | — |
| | TETRA TECH EMC, INC. | — | IDC | $145,098,913,190 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | AD25 | Nov 19, 2013 | Nov 19, 2013 | Dec 31, 2019 |
| | TETRA TECH EMC, INC. | — | BPA | $0 | OFFICE OF THE ASSISTANT SECRETARY FOR ADMINISTRATION (ASA) | OFFICE OF THE ASSISTANT SECRETARY FOR ADMINISTRATION (ASA) | — | 541612Human Resources Consulting Services | R431SUPPORT- PROFESSIONAL: HUMAN RESOURCES | Aug 16, 2013 | Aug 16, 2013 | — |
| | TETRA TECH EMC, INC. | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $4,000,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 541612Human Resources Consulting Services | R799SUPPORT- MANAGEMENT: OTHER | Feb 15, 2011 | Feb 15, 2011 | Feb 14, 2016 |
| | TETRA TECH EMC, INC. | — | IDC | $270,462,000 | MISSILE DEFENSE AGENCY (MDA) | MISSILE DEFENSE AGENCY (MDA) | — | 541611Administrative Management and General Management Consulting Services | R414 | Jun 17, 2010 | Jun 17, 2010 | Jun 16, 2015 |
| | TETRA TECH EMC, INC. | — | IDC | $0 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 541330Engineering Services | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Apr 29, 2010 | Jul 30, 2010 | — |
| | TETRA TECH EMC, INC. | — | BPA | $7,722,960 | FEDERAL ACQUISITION SERVICE | — | — | 541611Administrative Management and General Management Consulting Services | R499SUPPORT- PROFESSIONAL: OTHER | Oct 5, 2007 | Oct 5, 2007 | Sep 30, 2010 |
| | TETRA TECH EMC, INC. | FEDERAL SUPPLY SCHEDULE CONTRACT. | FSS | $12,400,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 541611Administrative Management and General Management Consulting Services | R499SUPPORT- PROFESSIONAL: OTHER | Jun 6, 2007 | Jun 11, 2007 | — |
| | TETRA TECH EMC, INC. | SEAPORT ENHANCED | IDC | $1,015,692,392,330 | DEFENSE CONTRACT MANAGEMENT AGENCY (DCMA) | DEPT OF THE NAVY | — | 541330Engineering Services | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Jun 1, 2006 | Jun 1, 2006 | Apr 4, 2014 |
| | TETRA TECH EMC, INC. | 200507!225017!1700!N68936!NAVAL AIR WARFARE CENTER !N6893605D0008 !A!N! !N! ! !20050131!20100129!139341978!139341978!045224250!N!ENGINEERING MANAGEMENT CONCEPT!295 WILLIS AVE STE B !CAMARILLO !CA!93010!10046!111!06!CAMARILLO !VENTURA !CALIFORNIA!+000000000000!N!N!000010737744!R414!SYSTEMS ENGINEERING SERVICES !A2 !MISSILE AND SPACE SYSTEMS !000 !* !541330!E! !3!B!S! ! !D!20091130!B! ! !A! !A!U!Y!2!001!B! !C!N!Z! ! !N!C!N! ! ! !A!A!A!A!000!A!B!N! ! ! !Y!1700!N63126!0001! ! | IDC | $2,643,883 | DEPT OF THE NAVY | — | — | 541330Engineering Services | R414 | Jan 31, 2005 | Jan 31, 2005 | Nov 30, 2009 |
| | TETRA TECH EMC, INC. | — | FSS | $319,200,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 541611Administrative Management and General Management Consulting Services | R706SUPPORT- MANAGEMENT: LOGISTICS SUPPORT | Apr 1, 2003 | May 1, 2003 | Apr 30, 2018 |
| | TETRA TECH EMC, INC. | — | IDC | $0 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | 611430Professional and Management Development Training | H129QUALITY CONTROL- ENGINE ACCESSORIES | Nov 18, 2001 | Nov 18, 2001 | Dec 12, 2005 |
| | TETRA TECH EMC, INC. | FEDERAL SUPPLY SCHEDULE CONTRACT. | FSS | $4,200,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 541330Engineering Services | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Sep 1, 2000 | Sep 8, 2000 | — |
| | TETRA TECH EMC, INC. | — | IDC | $0 | DEPT OF THE NAVY | — | — | — | R413 | Feb 15, 2000 | Feb 15, 2000 | — |
| | TETRA TECH EMC, INC. | — | IDC | $0 | DEPT OF THE NAVY | — | — | — | B538SPECIAL STUDIES/ANALYSIS- INTELLIGENCE | Jul 1, 1999 | Jul 1, 1999 | Jun 15, 2000 |
| | TETRA TECH EMC, INC. | FEDERAL SUPPLY SCHEDULE CONTRACT. | FSS | $1,000,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 541519Other Computer Related Services | D399 | Jan 1, 1999 | Jan 19, 1999 | — |
| | TETRA TECH EMC, INC. | — | IDC | $0 | DEPT OF THE NAVY | — | — | — | R413 | Jan 1, 1998 | Jan 1, 1998 | Sep 15, 1998 |
| | TETRA TECH EMC, INC. | — | IDC | $0 | DEPT OF THE NAVY | — | — | — | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Oct 15, 1997 | Oct 15, 1997 | Mar 15, 1998 |
| | TETRA TECH EMC, INC. | — | IDC | $0 | DEPT OF THE NAVY | — | SBA | — | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Oct 1, 1996 | Oct 1, 1996 | Aug 15, 1997 |
| | TETRA TECH EMC, INC. | — | IDC | $0 | — | — | — | — | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Oct 15, 1995 | Oct 15, 1995 | Jun 15, 1996 |
| | TETRA TECH EMC, INC. | — | IDC | $0 | — | — | — | — | D302 | Aug 15, 1992 | Aug 15, 1992 | — |
| | TETRA TECH EMC, INC. | — | IDC | $0 | — | — | — | — | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Apr 15, 1992 | Apr 15, 1992 | — |
| | TETRA TECH EMC, INC. | — | IDC | $0 | — | — | — | — | R414 | Dec 15, 1991 | Dec 15, 1991 | — |