Skip to content
DefDex

Federal award

TETRA TECH HEI, INC.

DEAT0504OR23024

Contract

Obligated and Ceiling

Obligated (net)
$12,488,412.69
Ceiling (potential value, not spending)
$25,923,336.00
Current value
$25,923,336.00
Gross positive obligations
$12,868,401.04

Obligated is what the government has committed, net of de-obligations. The ceiling is the most the award or vehicle could ever reach; it is shown separately and never added to, or compared as, spending.

Award Details

Recipient
TETRA TECH HEI, INC. · NCQLD6ESHUQ3
Owner company
Not a reviewed companyNo reviewed company owns this recipient.
Reported parent
TETRA TECH, INC. · LMRMKLLL3LG5
Awarding agency
Department of Energy · sub-agency 8900 · office 893031
Funding agency
Department of Energy · sub-agency 8900
Product or service (PSC)
R799 · SUPPORT- MANAGEMENT: OTHER
Industry (NAICS)
541611 · ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES
PIID
DEAT0504OR23024
Parent vehicle (IDV PIID)
GS10F0018K
Award type code
C
Actions
15 · Dec 21, 2007 to Aug 27, 2025
Why it is listed
gross positive obligations of $100k or more (contracts)

Open this award on USAspending →

Action History15

Award actions
DateFYModAction typeObligationCompany in company totals
Aug 27, 2025FY202526C−$379,988.35
—
Sep 16, 2010FY201024C$1,080,000.00
—
Jun 23, 2010FY201023C$1,090,000.00
—
Jan 29, 2010FY201022C$1,670,000.00
—
Jan 28, 2010FY201021B$0.00
—
Sep 30, 2009FY200919C$685,210.00
—
Sep 30, 2009FY200920C$50,000.00
—
Jul 24, 2009FY2009A018C$2,391,000.00
—
Feb 27, 2009FY2009M017A$0.00
—
Dec 29, 2008FY2009M016A$0.00
—
Sep 23, 2008FY2008A015C$591,835.04
—
Mar 27, 2008FY2008A014B$0.00
—
Jan 31, 2008FY2008A013C$2,704,839.00
—
Jan 25, 2008FY2008A012C$2,605,517.00
—
Dec 21, 2007FY2008M011G$0.00
—

Newest first. Every obligation is shown as reported, including zero and negative (de-obligation) actions. Award lists belong to the company of the latest action; company totals credit each action to the company named on that row, so a note marks rows where the two differ.