TETRA TECH EMC, INC.
TETRA TECH EMC, INC. is a Public Limited Company registered in United States under 1244094, and its current status with California Secretary of State — bizfile Online is active. The company was incorporated on 11 April 1984 and lists its registered address as PASADENA, United States. No shareholders are recorded for TETRA TECH EMC, INC.; ownership in this jurisdiction is held as the stock ledger under state corporate law (e.g. §219 of the Delaware General Corporation Law), a record kept privately rather than filed publicly. No beneficial owner (UBO) data is recorded for TETRA TECH EMC, INC.; access to beneficial-ownership data in this jurisdiction is governed by its own register rules. This profile is sourced directly from California Secretary of State — bizfile Online and was last updated on 29 September 2026.
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Officers
5
Directors and officers of TETRA TECH EMC, INC.
The Chief Executive Officer of TETRA TECH EMC, INC. currently on record is William R. Brownlie; five officers are currently on record for TETRA TECH EMC, INC., filed with California Secretary of State — bizfile Online. The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.
Data availability
The register reports 9 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Data-provider feed — rows as supplied to Zavia for California Secretary of State — bizfile Online, including entries the profile above does not cover. These rows are not a verbatim copy of the register: they have been found to duplicate the same person under different spellings and to keep a status of Active after an appointment ended. Where they disagree with the profile above, the profile is the checked version.
Group Structure
Group structure of TETRA TECH EMC, INC.
TETRA TECH EMC, INC. sits 1 level below its ultimate parent, Tetra Tech, Inc., registered in United States. 4 subsidiaries are recorded beneath it, across 3 jurisdictions. The full chain up to Tetra Tech, Inc. is derived by walking shareholder filings across jurisdictions; no link in it is independently corroborated by TETRA TECH EMC, INC.'s own shareholder record. Each of these downward relationships is derived rather than filed: resolved by matching entities across the registry network, not stated directly in a single document.
- TETRA TECH INTERNATIONAL DEVELOPMENT LIMITED (Tanzania)
- ARD INC (Tanzania)
- TETRA TECH INDIA LIMITED (India)
- TETRA TECH ES INC (Tanzania)
Data availability
Those 4 subsidiaries span United States, Tanzania, India jurisdictions, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.
Data-provider feed — rows as supplied to Zavia for California Secretary of State — bizfile Online, including entries the profile above does not cover. These rows are not a verbatim copy of the register: they have been found to duplicate the same person under different spellings and to keep a status of Active after an appointment ended. Where they disagree with the profile above, the profile is the checked version.
Tetra Tech, Inc.
United States
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Frequently Asked Questions
Who is TETRA TECH EMC, INC.'s UBO (Ultimate Beneficial Owner)?
No Ultimate Beneficial Owner (UBO) data is recorded for TETRA TECH EMC, INC.; access to beneficial-ownership data in this jurisdiction is governed by its own register rules.
What is TETRA TECH EMC, INC.'s company registration number?
TETRA TECH EMC, INC.'s registration number is 1244094, filed with California Secretary of State — bizfile Online in United States. Its current status on the register is active.
Is TETRA TECH EMC, INC. still an active company?
TETRA TECH EMC, INC.'s status on California Secretary of State — bizfile Online is listed as active.
When was TETRA TECH EMC, INC. incorporated?
TETRA TECH EMC, INC. was incorporated on 11 April 1984, according to California Secretary of State — bizfile Online.
What is TETRA TECH EMC, INC.'s registered address?
The registered address on file for TETRA TECH EMC, INC. is PASADENA, United States.
What legal structure is TETRA TECH EMC, INC. registered as?
TETRA TECH EMC, INC. is registered as a Public Limited Company in United States.
Who are the officers/directors of TETRA TECH EMC, INC.?
The Chief Executive Officer of TETRA TECH EMC, INC. currently on record is William R. Brownlie; five officers are currently on record for TETRA TECH EMC, INC., filed with California Secretary of State — bizfile Online.
Does TETRA TECH EMC, INC. have a parent company or subsidiaries?
TETRA TECH EMC, INC. sits 1 level below its ultimate parent, Tetra Tech, Inc., registered in United States. 4 subsidiaries are recorded beneath it, across 3 jurisdictions. Those 4 subsidiaries span United States, Tanzania, India jurisdictions, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.
Can Zavia monitor changes to TETRA TECH EMC, INC.'s ownership over time?
This profile reflects a point-in-time snapshot from California Secretary of State — bizfile Online. Zavia's monitoring API can track changes to TETRA TECH EMC, INC.'s registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access TETRA TECH EMC, INC.'s data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including United States, so records like TETRA TECH EMC, INC.'s registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from California Secretary of State — bizfile Online and was last synced on 29 September 2026.