Company Name: | TETRA TECH, INC. |
Employer identification number (EIN): | 954148514 |
NAIC Classification: | 541330 |
NAIC Description: | Engineering Services |
The following addresses have been detected on the 401k submissions:
USA Mailing Address | |||||
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Date first seen: 2007-01-01 | |||||
Date last seen: 2023-12-31 | |||||
USA Location Address | |||||
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Date first seen: 2007-01-01 | |||||
Date last seen: 2023-12-31 | |||||
USA Mailing Address | |||||
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Date first seen: 2011-07-15 | |||||
Date last seen: 2011-07-15 | |||||
Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
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501 | TETRA TECH, INC. GROUP BENEFIT PLAN | 2014-01-01 | 1988-10-01 |
506 | TETRA TECH, INC. FLEXIBLE SPENDING PLAN | 2015-01-01 | 1994-01-01 |
502 | TETRA TECH, INC. GROUP LIFE, DISABILITY AND VISION PLAN | 2015-01-01 | 1988-10-01 |
507 | TETRA TECH, INC. FULLY INSURED HMO BENEFIT PLAN | 2015-01-01 | 2003-01-01 |
003 | M & I (MANAGEMENT & INTEGRATION) 401(K) PLAN | 2009-01-01 | 1999-10-01 |
001 | TETRA TECH, INC. AND SUBSIDIARIES RETIREMENT PLAN | 2016-10-01 | 1988-03-08 |
002 | TETRA TECH, INC. PUERTO RICO RETIREMENT PLAN | 2019-04-15 | 2019-04-15 |