TETRA TECH EC, INC. is a South Dakota corporation, registered on February 24, 2003. It is based at 3475 E. FOOTHILL BLVD., PASADENA, CA, 91107. The company is currently listed as active on the South Dakota register, is registered under company number FB027062 and carries EIN 251902191. Public records for the company include 1 SoS registration, 1 UCC lien, 1 permit, 19 licenses and 19 federal contracts. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | TETRA TECH EC, INC. |
|---|---|
| Principal address | 3475 E. FOOTHILL BLVD.PASADENA91107CAUnited States |
| Registration state | South Dakota |
| Status | Active |
| Formed in | Delaware (foreign registration) |
| Home company | TETRA TECH EC, INC. |
| Registered | 24 February 2003 (over 23 years ago) |
| Entity type | Corporation |
| Standing | compliant |
| Company number | FB027062 |
| EIN | 251902191 |
| Employees (modeled) | ≈976 employees2005 |
| Registered agent |
|---|
| C T CORPORATION SYSTEM |
| Source registry | South Dakota Secretary of State · updated 15 June 2026 |
|---|
| Public records | 1 SoS registration · 1 UCC lien on file |
|---|
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| Est. revenue (modeled) | $254M2005 |
|---|---|
| Federal contractor | Yes · 19 federal recipient records (SAM) |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | TETRA TECH EC, INC. | 2003-02-24 | C T CORPORATION SYSTEM | — | Active | |
Filing ID FB027062 Jurisdiction Foreign · CorporationFormed in Delaware Principal address 3475 E. FOOTHILL BLVD., PASADENA, CA, 91107 Registered agent C T CORPORATION SYSTEM319 S COTEAU ST, PIERRE, SD, 57501-3187 Officers Not reported | ||||||
| — | TETRA TECH EC, INC. | 2009-05-04 | — | STEVEN BURDICKOfficerRICHARD A LEMMONOfficer | Withdrawn | |
| Alaska | Tetra Tech EC, Inc. | 2003-02-25 | C T Corporation System | Dan L BatrackVice presidentWilliam BrownlieVice president, Director6 more | Active | |
| Alabama | Tetra Tech EC, Inc. | 2003-02-19 | C T CORPORATION SYSTEM | — | Active | |
| Arkansas | TETRA TECH EC, INC. | 2003-02-20 | C T CORPORATION SYSTEM | RICHARD A. LEMMONOfficerANDREW N. BOLTOfficer2 more | Active | |
| Arizona | TETRA TECH EC, INC. | 2003-02-20 | C T CORPORATION SYSTEM | William R. BrownlieDirector, OfficerSteven M. BurdickOfficer5 more | Active | |
| California | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | Steven M. BurdickOfficerKevin E. CramerOfficer5 more | Active | |
| Colorado | Tetra Tech EC, Inc. | 2003-02-20 | C T CORPORATION SYSTEM | — | Active | |
| Connecticut | TETRA TECH EC, INC. | 2003-02-18 | C T CORPORATION SYSTEM | William BrownlieOfficerRichard A. LemmonOfficer9 more | Active | |
| Delaware | TETRA TECH EC, INC. | 2003-02-10 | THE CORPORATION TRUST COMPANY | — | Unknown | |
| Florida | TETRA TECH EC, INC. | 2003-02-19 | CT CORPORATION SYSTEM | Kevin A CramerOfficerDan L BatrackOfficer9 more | Active | |
| Georgia | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | Steven M. BurdickOfficerPRESTON HOPSONOfficer1 more | Active | |
| Hawaii | TETRA TECH EC, INC. | 2004-09-08 | C T CORPORATION SYSTEM | LEMMON, RICHARD AOfficerBROWNLIE, WILLIAM RDirector, Officer5 more | Active | |
| Iowa | TETRA TECH EC, INC. | 2003-02-18 | C T CORPORATION SYSTEM | Steven M. BurdickOfficerPRESTON HOPSONOfficer2 more | Active | |
| Idaho | TETRA TECH EC, INC. | 2003-02-18 | C T CORPORATION SYSTEM | Andrew N. BoltOfficer, DirectorSteven M BurdickDirector, Officer5 more | Active | |
| Illinois | TETRA TECH EC, INC. | 2003-02-20 | C T CORPORATION SYSTEM | — | Active | |
| Indiana | TETRA TECH EC, INC. | 2007-02-12 | C T CORPORATION SYSTEM | KEVIN E. CRAMEROfficerWilliam R. BrownlieOfficer5 more | Active | |
| Kansas | TETRA TECH EC, INC. | 2003-02-21 | C T CORPORATION SYSTEM | — | Active | |
| Kentucky | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | KEVIN E. CRAMEROfficerANDREW N. BOLTOfficer8 more | Active | |
| Louisiana | TETRA TECH EC, INC. | 2003-02-18 | C T CORPORATION SYSTEM | KEVIN E. CRAMEROfficerANDREW N. BOLTOfficer | Active | |
| Massachusetts | TETRA TECH EC, INC. | 2003-02-20 | C T CORPORATION SYSTEM | Dan L. BatrackOfficerWilliam R. BrownlieDirector, Officer5 more | Active | |
| Maryland | TETRA TECH EC, INC | 2003-02-19 | THE CORPORATION TRUST, INCORPORATED | — | Active | |
| Maine | TETRA TECH EC, INC. | 2003-02-26 | C T CORPORATION SYSTEM | — | Active | |
| Michigan | TETRA TECH EC, INC. | 2009-05-18 | THE CORPORATION COMPANY | — | Active | |
| Minnesota | Tetra Tech EC, Inc. | 2005-08-08 | C T Corporation System Inc | Andrew N. BoltOfficer | Active | |
| Missouri | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | PRESTON HOPSONOfficerANDREW N. BOLTOfficer5 more | Active | |
| Mississippi | Tetra Tech EC, Inc. | 2003-02-17 | C T CORPORATION SYSTEM | Preston HopsonOfficerRichard A. LemmonOfficer5 more | Active | |
| Montana | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | WILLIAM R BROWNLIEDirectorSTEVEN M BURDICKOfficer4 more | Active | |
| North Carolina | Tetra Tech EC, Inc. | 2003-02-20 | CT Corporation System | Burdick, Steven MOfficerBolt, Andrew NOfficer5 more | Active | |
| North Dakota | TETRA TECH EC, INC. | 2003-02-20 | C T CORPORATION SYSTEM | — | Active | |
| Nebraska | TETRA TECH EC, INC. | 2007-02-12 | C T CORPORATION SYSTEM | AMY M GALANOfficerSTEVEN M BURDICKOfficer20 more | Active | |
| New Hampshire | Tetra Tech EC, Inc. | 2003-03-06 | C T Corporation System | Richard A. LemmonOfficerSteven M. BurdickOfficer4 more | Active | |
| New Mexico | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | CARL TIPPMANNOfficerRONALD CHUOfficer11 more | Active | |
| Nevada | TETRA TECH EC, INC. | 2003-02-18 | C T CORPORATION SYSTEM** | ANDREW N BOLTOfficerSTEVEN M BURDICKOfficer2 more | Active | |
| New York | TETRA TECH EC, INC. | 2003-02-19 | TETRA TECH EC, INC | ANDREW N. BOLTOfficer | Active | |
| Ohio | TETRA TECH EC, INC. | 2003-02-20 | CT CORPORATION SYSTEM | — | Active | |
| Oklahoma | TETRA TECH EC, INC. | 2003-02-20 | THE CORPORATION COMPANY | — | Active | |
| Oregon | TETRA TECH EC, INC. | 2003-02-18 | C T CORPORATION SYSTEM | PRESTON HOPSONOfficerANDREW N BOLTOfficer | Active | |
| Pennsylvania | TETRA TECH EC, INC. | 2003-02-20 | — | William R. BrownlieOfficer, DirectorKevin E. CramerOfficer5 more | Active | |
| Rhode Island | Tetra Tech EC, Inc. | 2003-02-27 | CT CORPORATION SYSTEM | PRESTON HOPSONOfficerKEVIN E. CRAMEROfficer5 more | Active | |
| South Carolina | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | — | Active | |
| Tennessee | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | — | Active | |
| Texas | Tetra Tech EC, Inc. | 2003-02-21 | C T Corporation System | STEVEN M BURDICKOfficerANDREW N BOLTOfficer5 more | Active | |
| Utah | TETRA TECH EC, INC. | 2003-02-18 | CT CORPORATION SYSTEM | Kevin E. CramerOfficerPRESTON HOPSONOfficer9 more | Active | |
| Virginia | Tetra Tech EC, Inc. | 2003-02-19 | C T CORPORATION SYSTEM | Dan L. BatrackOfficerRichard A. LemmonOfficer5 more | Active | |
| Vermont | TETRA TECH EC, INC. | 2006-10-09 | C T CORPORATION SYSTEM | Preston HopsonOfficerDan L. BatrackOfficer5 more | Active | |
| Vermont | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | SAM W BOXOfficerRICHARD A LEMMONDirector, Officer2 more | Inactive | |
| Washington | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | KEVIN E. CRAMERDirectorDAN L. BATRACKDirector5 more | Active | |
| Wisconsin | TETRA TECH EC, INC. | 2003-02-17 | C T CORPORATION SYSTEM | — | Active | |
| West Virginia | TETRA TECH EC, INC. | 2003-02-19 | C T CORPORATION SYSTEM | PRESTON HOPSONOfficerANDREW N. BOLTOfficer3 more | Active | |
| Wyoming | Tetra Tech EC, Inc. | 2003-02-19 | C T Corporation System | — | Active | |
Companies and people linked to TETRA TECH EC, INC. in the state registers through shared officers, a shared registered agent, shared filing contacts or a shared address. Service companies file for many unrelated businesses — a shared agent, address or contact alone does not prove affiliation.
company person group former role
| State | Permit | Issued | Type | Location | Status | |
|---|---|---|---|---|---|---|
| Texas | 12519021914 | 2013-08-30 | — | ROGERDALE RD STE 310 | Unknown | |
| State | License / ID | Type | Issued | Status | |
|---|---|---|---|---|---|
| Nevada | 2017306065 | Contractor | 2017-10-23 | Active | |
| Alaska | 295366 | — | 2003-05-05 | Active | |
| Delaware | 2003105372 | — | — | Unknown | |
| Delaware | 2003105372 | — | — | Unknown | |
| Delaware | 2006209409 | — | — | Unknown | |
| Delaware | 2003105372 | — | — | Unknown | |
| Delaware | 2006209409 | — | — | Unknown | |
| Delaware | 2006209409 | — | — | Unknown | |
| Delaware | 2006209409 | — | — | Unknown | |
| Delaware | 2003105372 | — | — | Unknown | |
Employee-benefit plan filings by TETRA TECH EC, INC. with the Department of Labor. Employee and revenue figures are modeled estimates derived from retirement-plan participant counts and industry ratios — not official headcount or reported revenue.
| Employees (modeled) | ≈976 · plan year 2005 |
|---|---|
| Est. annual revenue (modeled) | $254M |
| Benefit plans | No 401(k) on file |
| Filing history | 3 plan years filed, 2003–2005 |
| Sponsor EIN | 25-1902191 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2005 | ≈976 | 878 | — | $254M | Welfare | |
| 2004 | ≈960 | 1,015 (864 active) | — | $249.9M | Welfare | |
| 2003 | ≈1,130 | 1,259 (1,015 active) | — | $293.6M | Welfare | |
Federal court records load when you reach this section.
Companies adjacent to TETRA TECH EC, INC. in the South Dakota Secretary of State register, in alphabetical order.
198 companies are registered at 3475 E. FOOTHILL BLVD., PASADENA — shared registered-office and agent addresses are common; a shared address alone does not link businesses.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-07-29. Document getpalm-companies/5059-3375-5096.