Procurement Instrument Identifier: A65591D

Modification # Transaction #	Vendor Name Modification Parent	Major Agency Category Modification Agency Major Funding Agency	Dollars Obligated	Fiscal Year	To Record
	Tetra Tech Em Incorporated Tetra Tech Inc.	National Aeronautics And Space Administration National Aeronautics And Space Administration	$9,537.69	2002	1545589
3	Tetra Tech Em Incorporated Tetra Tech Inc.	National Aeronautics And Space Administration National Aeronautics And Space Administration	$166,301.00	2003	2231426
2	Tetra Tech Em Incorporated Tetra Tech Inc.	National Aeronautics And Space Administration National Aeronautics And Space Administration	$13,766.05	2003	2245510
1	Tetra Tech Em Incorporated Tetra Tech Inc.	National Aeronautics And Space Administration National Aeronautics And Space Administration	$75,829.04	2003	3175576
4	Tetra Tech Em Incorporated Tetra Tech Inc.	National Aeronautics And Space Administration National Aeronautics And Space Administration	$0.00	2004	4015726
5	Tetra Tech Em Incorporated Tetra Tech Inc.	National Aeronautics And Space Administration National Aeronautics And Space Administration	$151,635.10	2005	7955338
6	Tetra Tech Em Incorporated Tetra Tech Inc.	National Aeronautics And Space Administration National Aeronautics And Space Administration	$31,745.00	2006	9985669
7	Tetra Tech Em Incorporated Tetra Tech Inc.	National Aeronautics And Space Administration National Aeronautics And Space Administration	$0.00	2006	10655589

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