TETRA TECH.: all contributions

2025–2026 · Reported individual contributions grouped by employer.

These are contributions by individuals, not by their employer, industry, or location. Refunds remain negative; memo-only rows are marked and are not additional money.

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#	Reported contributor / location	Reported employer / occupation	Recipient / reporting committee	Date ↕	Amount ↓	Election	Filing details / source
141	FISHER, WALTER MR.HERTFORD NC 27944	ATC SPECIALIST TETRATECH	NRCCC00075820	2025-08-13	$36	Primary (P)	EARMARKED FROM WINREDFiling 1943530 · amendedFEC filing ↗
142	FISHER, WALTER MR.HERTFORD NC 27944	ATC SPECIALIST TETRATECH	NRCCC00075820	2025-09-23	$35	Primary (P)	EARMARKED FROM WINREDFiling 1943542 · amendedFEC filing ↗
143	FISHER, WALTER MR.HERTFORD NC 27944	ATC SPECIALIST TETRATECH	NRCCC00075820	2025-08-14	$30	Primary (P)	EARMARKED FROM WINREDFiling 1943530 · amendedFEC filing ↗
144	FISHER, WALTER MR.HERTFORD NC 27944	ATC SPECIALIST TETRATECH	NRCCC00075820	2025-08-16	$30	Primary (P)	EARMARKED FROM WINREDFiling 1943530 · amendedFEC filing ↗
145	WILLIAMSON, SCOTTWASHINGTON DC 20008	PROGRAM MANAGEMENT TETRA TECH	JUSTICE DEMOCRATS PACC00630665	2025-08-03	$27	Primary (P)	EARMARKED CONTRIBUTION: SEE BELOWFiling 1958301 · amendedFEC filing ↗
146	WILLIAMSON, SCOTTWASHINGTON DC 20008	PROGRAM MANAGEMENT TETRA TECH	JUSTICE DEMOCRATS PACC00630665	2025-09-07	$27	Primary (P)	EARMARKED CONTRIBUTION: SEE BELOWFiling 1958301 · amendedFEC filing ↗
147	FISHER, WALTER MR.HERTFORD NC 27944	ATC SPECIALIST TETRATECH	NRCCC00075820	2025-08-13	$26	Primary (P)	EARMARKED FROM WINREDFiling 1943530 · amendedFEC filing ↗
148	DONOVAN, DAVID RNORTH TONAWANDA NY 14120	LABORER TETRA TECH	LABORERS INTERNATIONAL UNION OF NORTH AMERICA - LOCAL NO. 91 POLITICAL ACTION FUNDC00155069	2026-09-23	$26	Primary (P)	Filing 2018250FEC filing ↗
149	CARTER, ROBERT MR.ACWORTH GA 30101	PHY SCIENTIST TETRA TECH INC	REPUBLICAN NATIONAL COMMITTEEC00003418	2025-10-30	$25	Primary (P)	EARMARKED FROM WINREDFiling 1926421FEC filing ↗
150	SUN, SHU-YUNREADING MA 01867	ACCOUNTANT TETRA TECH	SCHIFF FOR SENATEC00343871	2025-11-04	$25	Primary 2030 (P2030)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1943228FEC filing ↗
151	CARTER, ROBERT MR.ACWORTH GA 30101	PHY SCIENTIST TETRA TECH INC	REPUBLICAN NATIONAL COMMITTEEC00003418	2025-12-02	$25	Primary (P)	EARMARKED FROM WINREDFiling 1953871 · amendedFEC filing ↗
152	SUN, SHU-YUNREADING MA 01867	ACCOUNTANT TETRA TECH	SCHIFF FOR SENATEC00343871	2025-12-04	$25	Primary 2030 (P2030)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1943228FEC filing ↗
153	ANDERSEN, WILLIAMCOLLINSVILLE IL 62234	ENGINEER TETRA TECH	LEADERS WE DESERVEC00843110	2025-12-12	$25	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1939588FEC filing ↗
154	CARTER, ROBERT MR.ACWORTH GA 30101	PHY SCIENTIST TETRA TECH INC	REPUBLICAN NATIONAL COMMITTEEC00003418	2025-05-30	$25	Primary (P)	EARMARKED FROM WINREDFiling 1896879FEC filing ↗
155	CARTER, ROBERT MR.ACWORTH GA 30101	PHY SCIENTIST TETRA TECH INC	REPUBLICAN NATIONAL COMMITTEEC00003418	2025-04-01	$25	Primary (P)	EARMARKED FROM WINREDFiling 1895127 · amendedFEC filing ↗
156	CARTER, ROBERT MR.ACWORTH GA 30101	PHY SCIENTIST TETRA TECH INC	REPUBLICAN NATIONAL COMMITTEEC00003418	2025-04-30	$25	Primary (P)	EARMARKED FROM WINREDFiling 1895127 · amendedFEC filing ↗
157	CARTER, ROBERT MR.ACWORTH GA 30101	PHY SCIENTIST TETRA TECH INC	REPUBLICAN NATIONAL COMMITTEEC00003418	2025-09-02	$25	Primary (P)	EARMARKED FROM WINREDFiling 1923017FEC filing ↗
158	ANDERSEN, WILLIAMCOLLINSVILLE IL 62234	ENGINEER TETRA TECH	LEADERS WE DESERVEC00843110	2025-09-12	$25	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1922771FEC filing ↗
159	PHAM, LEONARDHAYMARKET VA 20169	CONSULTANT TETRA TECH	TALARICO FOR TEXASC00919084	2026-05-27	$25	General 2026 (G2026)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1997887FEC filing ↗
160	PHAM, LEONARDHAYMARKET VA 20169	CONSULTANT TETRA TECH	TALARICO FOR TEXASC00919084	2026-05-30	$25	General 2026 (G2026)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1997887FEC filing ↗

One page is fetched at a time, with one extra row to check for the next page. Current amendment versions are selected before pagination. Raw reported names and filing values are preserved. This list covers locally ingested FEC individual-contribution records, not undisclosed or unitemized contributor identities.