Company · Engineering & Consulting Services

Tetra Tech Inc

Federal civil lawsuits naming Tetra Tech Inc, a Engineering & Consulting Services company.

Public CompanyEngineering & Consulting Services

Ticker: Nasdaq: TTEK
Business: Services-Engineering Services
Headquarters: Pasadena, CA
Incorporated in: Delaware
SEC CIK: 831641

Tetra Tech Inc is a public company in Services-Engineering Services, based in Pasadena, CA (traded on Nasdaq as TTEK, incorporated in Delaware). It appears in 74 federal civil lawsuits in this index, most often as a defendant (59 of 74). These cases are most often Contract and Civil Rights matters, filed between 1994 and 2022, most frequently in District Court, E.D. Virginia. The most common causes of action are Breach of Contract, Employment, and Patent Infringement. Frequent opposing parties include Jaaat Technical Services LLC, Harbor Point Cinema, L.L.C, and Hall.

Lawsuits

As Defendant

As Plaintiff

Open

Terminated

1994–2022

Span

9 mo

Median Duration

2.6 cases/yrPredominantly defendant · 80%Contract-heavy · 55%No filings since 2022

Cases by State

AK · 1

Open Cases Over Time

1994peak 6 open2022

Case Types Over Time

19942022

ContractCivil RightsFederal Tax / Statutory ActionsLaborPersonal Property / Fraud

Filings by Year

19942022

Case Types filter →

Contract41

Civil Rights10

Federal Tax / Statutory Actions6

Labor5

Personal Property / Fraud4

Patent3

Where Filed filter →

Frequent Opposing Parties

74 Cases — Newest First

Tetra Tech Inc v. Town of Lyons

Federal Tax / Statutory Actions Terminated District Court, D. ColoradoNo. 1:22-cv-00239Filed 01/27/2022
Tetra Tech, Inc v. Csx Corporation

Patent Terminated District Court, M.D. FloridaNo. 3:21-mc-00058Filed 12/17/2021
Washington v. Tetra Tech, Inc

Civil Rights Terminated District Court, E.D. VirginiaNo. 1:21-cv-00479Filed 04/19/2021
Sanford v. Tetra Tech, Inc

Civil Rights Terminated District Court, E.D. VirginiaNo. 1:21-cv-00260Filed 03/01/2021
Hernandez v. Tetra Tech Incorporated

Federal Tax / Statutory Actions Terminated District Court, D. ArizonaNo. 2:19-cv-03035Filed 05/13/2019
Burrell Western Resources LLC v. Tetra Tech, Inc

Personal Property / Fraud Terminated District Court, D. New MexicoNo. 1:19-cv-00411Filed 05/03/2019
Thomas, Jr v. Tetra Tech, Inc

Civil Rights Terminated District Court, S.D. FloridaNo. 1:18-cv-25467Filed 12/28/2018
Georgetown Rail Equipment Company v. Tetra Tech Canada, Inc

Patent Terminated District Court, E.D. TexasNo. 6:18-cv-00377Filed 07/27/2018
Burrell Diversified Investments, LLC v. Tetra Tech, Inc

Contract Terminated District Court, D. New MexicoNo. 1:18-cv-00062Filed 01/19/2018
The United States of America for the Use of A.C. Dellovade, Inc v. Tetra Tech Tesoro, Inc

Contract Terminated District Court, E.D. VirginiaNo. 1:17-cv-00338Filed 03/23/2017
Jaaat Technical Services, LLC v. Tetra Tech Ec, Inc

Contract Terminated District Court, E.D. VirginiaNo. 3:16-cv-00998Filed 12/22/2016
McManus v. Tetra Tech Construction, Inc

Securities / Commodities Terminated District Court, N.D. New YorkNo. 1:16-cv-00894Filed 07/19/2016
Callaway Marine Technologies, Inc v. Tetra Tech, Inc

Contract Terminated District Court, S.D. FloridaNo. 1:16-cv-20855Filed 03/09/2016
Tetra Tech Tesoro Inc v. Safeco Insurance Company of Am

Contract Terminated District Court, M.D. GeorgiaFiled 12/08/2015
United States of America, For the Use of Clark Security Products, Inc v. Tetra Tech Tesoro, Inc

Contract Terminated District Court, E.D. VirginiaNo. 2:15-cv-00496Filed 11/13/2015
Jaaat Technical Services, LLC v. Tetra Tech Tesoro, Inc

Contract Terminated District Court, E.D. VirginiaNo. 3:15-cv-00235Filed 04/17/2015
Tetra Tech, Inc v. Liberty Mutual Insurance Company

Contract Terminated District Court, N.D. GeorgiaNo. 1:15-cv-00169Filed 01/20/2015
Loar v. Tetra Tech, Inc

Civil Rights Terminated District Court, W.D. MissouriNo. 4:14-cv-00796Filed 09/10/2014
Ligetti v. Tetra Tech Construction

Labor Terminated District Court, W.D. PennsylvaniaNo. 2:14-cv-01182Filed 09/03/2014
Harold E. Nutter and Son Inc v. Tetra Tech Tesoro Inc

Contract Terminated District Court, E.D. VirginiaNo. 2:14-cv-00386Filed 07/30/2014
Tetra Tech Construction Inc v. Summit Natural Gas of Maine Inc

Contract Terminated District Court, D. MaineNo. 1:14-cv-00298Filed 07/17/2014
Mk Salvage Venture LLC v. Tetra Tech Ec, Inc

Contract Terminated District Court, W.D. WashingtonNo. 2:13-cv-00085Filed 01/14/2013
Locals 302 and 612 of the International Union of Operating Engineers Construction Industry Health and Security Fund v. Tetra Tech Construction, Inc

Labor Terminated District Court, W.D. WashingtonNo. 2:12-cv-02031Filed 11/19/2012
Sailboat Bay Apartments, LLC v. Tetra Tech Ec, Inc

Real Property Terminated District Court, E.D. LouisianaNo. 2:12-cv-02288Filed 09/14/2012
Antill Pipeline Construction Company, Inc v. Tetra Tech Ec, Inc

Contract Terminated District Court, E.D. LouisianaNo. 2:12-cv-01943Filed 07/27/2012
River Front Recycling and Aggregate, LLC v. Tetra Tech Construction, Inc

Contract Terminated District Court, D. New JerseyNo. 1:12-cv-04134Filed 07/05/2012
Tetra Tech Construction, Inc v. Hamon Contractors, Inc

Contract Terminated District Court, D. ColoradoNo. 1:12-cv-01671Filed 06/26/2012
Gmc Contracting, Inc v. Tetra Tech Construction Inc

Contract Terminated District Court, D. AlaskaNo. 3:12-cv-00092Filed 04/30/2012
The United States of America v. Tetra Tech, Inc

Contract Terminated District Court, S.D. GeorgiaNo. 1:12-cv-00062Filed 04/24/2012
Northwest Administrators, Inc v. Tetra Tech Ec, Inc

Labor Terminated District Court, W.D. WashingtonNo. 2:11-cv-01721Filed 10/17/2011
Tetra Tech, Inc v. Poche

Contract Terminated District Court, E.D. LouisianaNo. 2:11-cv-01541Filed 06/30/2011
Harbor Point Cinema, L.L.C v. Tetra Tech, Inc

Patent Terminated District Court, E.D. TexasNo. 6:10-cv-00439Filed 08/25/2010
Harbor Point Cinema, L.L.C v. Tetra Tech, Inc

Contract Terminated District Court, N.D. OklahomaNo. 4:10-cv-00452Filed 07/15/2010
Dollar Concrete Construction Company v. Tetra Tech Facilities Construction, LLC

Contract Terminated District Court, N.D. GeorgiaNo. 1:10-cv-01059Filed 04/09/2010
Program Management International v. Tetra Tech Ec, Inc

Contract Terminated District Court, W.D. TexasNo. 5:09-cv-00877Filed 10/28/2009
The Poole and Kent Company v. Tetra Tech, Inc

Personal Property / Fraud Terminated District Court, S.D. FloridaNo. 1:09-cv-21749Filed 06/24/2009
K2Share, LLC v. Tetra Tech Em, Inc

Federal Tax / Statutory Actions Terminated District Court, W.D. TexasNo. 1:09-cv-00060Filed 01/27/2009
Ground Works Inc v. Tetra Tech Inc

Personal Property / Fraud Terminated District Court, W.D. OklahomaNo. 5:09-cv-00001Filed 01/05/2009
Tetra Tech Ec, Inc v. Jerry Herling Construction, Inc., a California Corporation, and Jerry Herling an Individual

Contract Terminated District Court, D. WyomingNo. 2:08-cv-00210Filed 09/25/2008
AvalonBay Communities, Inc v. Tetra Tech, Inc

RICO / Consumer / Other Statutes Terminated District Court, E.D. VirginiaNo. 1:08-cv-00777Filed 07/25/2008
A.G. Powell Equipment Corporation v. Tetra Tech Consulting & Remediation, Inc

Contract Terminated District Court, W.D. PennsylvaniaNo. 2:07-cv-00184Filed 02/15/2007
Castleberry McGregor Swinford LLC, Architects v. Tetra-Tech, Inc

Contract Terminated District Court, W.D. KentuckyNo. 5:07-cv-00013Filed 01/25/2007
Tetra Tech Consulting & Remediation v. Central Industrial Construction

Contract Terminated District Court, D. UtahNo. 2:06-cv-00502Filed 06/22/2006
Steel Equipment Corporation v. Tetra Tech Cr, Inc

Contract Terminated District Court, W.D. PennsylvaniaNo. 2:06-cv-00719Filed 06/02/2006
Bechtel-S Corporation v. Tetra Tech, Inc

Contract Terminated District Court, W.D. TexasNo. 1:06-cv-00367Filed 05/12/2006
Dielco Crane Service v. Tetra Tech Consulting & Remediation

Contract Terminated District Court, D. UtahNo. 2:06-cv-00269Filed 04/03/2006
Tetra Tech Consulting & Remedi v. Qingdao Iron & Steel Group Co

Contract Terminated District Court, S.D. TexasFiled 12/12/2005
Tetra Tech Consulting and Reme v. Qingdao Iron and Steel Group H

Contract Terminated District Court, S.D. OhioFiled 09/07/2005
Tetra Tech Consulting and Remediation Inc v. Qingdao Iron and Steel Group Holding Co Ltd

Trademark Terminated District Court, S.D. OhioNo. 1:05-cv-00585Filed 09/07/2005
Steelman v. Tetra Tech Fw Inc

Federal Tax / Statutory Actions Terminated District Court, N.D. AlabamaNo. 5:04-cv-02615Filed 08/31/2004

Showing 1–50 of 74