Procurement Instrument Identifier: HQ000602C0037

Modification # Transaction #	Vendor Name Modification Parent	Major Agency Category Modification Agency Major Funding Agency	Product Service Code	Dollars Obligated	Fiscal Year	To Record
	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$2,988,047.00	2002	2005519
P00012	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$1,286,880.00	2003	2115381
P00004	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$240,000.00	2003	2991346
P00007	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$2,692,990.00	2003	3074255
P00011	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$96,710.00	2003	3103450
P00010	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$821,105.00	2003	3135545
P00005	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$140,000.00	2003	3181242
P00016	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$3,118,000.00	2004	3914181
P00013	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$20,240.00	2004	3976204
P00015	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$1,744,000.00	2004	4533068
P00018	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$621,466.00	2005	5500156
P00019	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$2,137,358.00	2005	5578240
P00023	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$422,869.00	2005	5794928
P00022	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$2,600,994.00	2005	5972878
P00020	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$226,776.00	2005	6275030
P00021	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$15,376.00	2005	7530145
P00028	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	($147.00)	2006	9247001
P00027	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$312,000.00	2006	10131454
P00024	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$100,000.00	2006	10520795
P00026	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$2,950,000.00	2006	10877110
P00025	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$1,096,000.00	2006	11199666
P00030	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$60,000.00	2007	12881722
P00033	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$162,500.00	2007	13079553
P00034	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$392,000.00	2007	15178402
P00032	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	($67,918.00)	2007	15416848
P00031	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$3,233,458.00	2007	15688847
P00029	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$1,879,523.00	2007	15915897
P00035	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	($90,760.00)	2008	16534032
P00037	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$2,925,624.00	2008	16664345
P00036	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$311,265.00	2008	16747538
P00040	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$200,000.00	2008	17192103
P00041	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$0.00	2008	18582969
P00038	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$2,410,500.00	2008	19211475
P00039	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$0.00	2008	19649768
P00046	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$279,000.00	2009	20886625
P00050	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$0.00	2009	21093420
P00042	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$455,000.00	2009	21339754
P00048	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	($5,031.47)	2009	21403877
P00049	Engineering Management Concept Tetra Tech Inc.	Department Of Defense Missile Defense Agency (Mda) Department Of Defense	AD93: Other Defense (Advanced)	$210,000.00	2009	21822570

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