Procurement Instrument Identifier: GST0906DG0184

Indefinite Delivery Vehicle PIID	Modification # Transaction #	Vendor Name Modification Parent	Major Agency Category Modification Agency Major Funding Agency	Product Service Code	Dollars Obligated	Fiscal Year	To Record
GS35F0192J		Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$825,446.10	2006	10550808
GS35F0192J	AO04	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$566,794.25	2007	12501363
GS35F0192J	AA01	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$0.00	2007	12739267
GS35F0192J	AO03	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$0.00	2007	12800615
GS35F0192J	AO05	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$3,941.91	2007	13285896
GS35F0192J	AO06	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$560,080.86	2007	13425021
GS35F0192J	AO02	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$60,000.00	2007	13847448
GS35F0192J	AO08	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$643,787.20	2007	13899150
GS35F0192J	AO16	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$1,089,593.30	2008	16239702
GS35F0192J	AO15	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$0.00	2008	16551782
GS35F0192J	AO14	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$491,445.16	2008	16921039
GS35F0192J	AO10	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$502,223.38	2008	17009061
GS35F0192J	AO13	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$90,085.95	2008	17193330
GS35F0192J	AO11	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$63,063.82	2008	17369189
GS35F0192J	AO12	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$475,201.25	2008	17599490
GS35F0192J	AO09	Engineering Management Concept Tetra Tech Inc.	General Services Administration Federal Acquisition Service Department Of Defense	D399: Other Adp & Telecommunications Svcs	$0.00	2008	19900077

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