TETRA TECH INC.
2025–2026 federal contribution records · FEC Schedule A
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Contribution summary
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2025–2026 federal contribution records · FEC Schedule A
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Reading the shared contribution publication for this cycle.
Federal contribution records grouped across normalized variants of this reported employer. Contributions are made by individuals, not by the employer.
Current-version rows · memo entries excluded from net amount
Last updated .
Party shares are as of the party graph published ; a newer graph is being applied, and the totals are unchanged.
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These immutable labels appeared in FEC filings and are grouped under TETRA TECH INC..
Party labels and allocations are as of the party graph published ; a newer graph is being applied.
Top 10 contributors and top 10 recipients · independent of list pagination
Explore the reported connections for Tetra Tech, Inc.. Contributor and recipient lists are available below.
Data: GovMoneyGraph, based on FEC records. Groupings and recipient-party allocations are derived analysis, not FEC-verified identities or party registrations. Read our contribution and classification methodology.
Reported contributor groups, with evidence-based name-variant matching; not verified unique people · 10 per page
Showing 1–10 of 41 · largest absolute amount first
Reported name + ZIP cluster; not a verified identity merge · KINGWOOD, TX, 77339 · TETRA TECH · Legal & Professional Services · LEAD SOLUTIONS ENGINEER · 6 transaction rows
DemocraticDerived from contributionsEvidence-based cluster of 2 reported identities; not a verified identity merge · ACWORTH, GA, 30101 · TETRA TECH INC · Legal & Professional Services · PHY SCIENTIST · Reported as CARTER, ROBERT / CARTER, ROBERT MR. · 31 transaction rows
RepublicanDerived from contributionsReported name + ZIP cluster; not a verified identity merge · KATY, TX, 77450 · TETRA TECH · Legal & Professional Services · ENGINEER · 25 transaction rows
100% Democratic · 0% unclassifiedDerived from contributionsReported name + ZIP cluster; not a verified identity merge · BEAUMONT, TX, 77707 · TETRATECH · Legal & Professional Services · PROJECT MANAGER · 2 transaction rows
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · ALEXANDRIA, VA, 22304 · TETRATECH · Legal & Professional Services · ENYO ENGINEER · 4 transaction rows
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · SOLDOTNA, AK, 99669 · TETRATECH · Legal & Professional Services · ENGINEER · 2 transaction rows
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · SAN ANTONIO, TX, 78260 · TETRA TECH · Legal & Professional Services · ENGINEER · 3 transaction rows
DemocraticDerived from contributionsEvidence-based cluster of 3 reported identities; not a verified identity merge · DENVER, CO, 80210 · TETRA TECH · Legal & Professional Services · ENGINEER · 9 transaction rows
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · LONGMONT, CO, 80501 · TETRA TECH · Legal & Professional Services · CONSULTANT · 13 transaction rows
62% Democratic · 37% unclassifiedDerived from contributionsReported name + ZIP cluster; not a verified identity merge · PORTLAND, OR, 97211 · TETRA TECH · Legal & Professional Services · CIVIL ENGINEER · 2 transaction rows
62% Democratic · 37% unclassifiedDerived from contributionsWhere the contributions went · 10 per page
Showing 21–30 of 40 · largest absolute amount first
House campaign committee · HOUSTON, TX · EDWARDS, AMANDA · U.S. House TX 18 · 1 transaction rows
DemocraticDerived from contributionsSenate campaign committee · MARION, IA · ARENHOLZ, ASHLEY HINSON · U.S. Senate IA 00 · 1 transaction rows
RepublicanDerived from contributionsParty committee (qualified) · WASHINGTON, DC · 1 transaction rows
DemocraticDerived from contributionsPAC (qualified) · WASHINGTON, DC · 1 transaction rows
30% Democratic / 70% RepublicanDerived from contributionsPAC (not qualified) · COLUMBUS, OH · BEHN, AFTYN · U.S. House TN 07 · 1 transaction rows
DemocraticDerived from contributionsPAC (qualified) · NIAGARA FALLS, NY · 23 transaction rows
93% Democratic / 5% Republican · 2% unclassifiedDerived from contributionsHybrid PAC (qualified) · WASHINGTON, DC · 12 transaction rows
100% DemocraticDerived from contributionsPAC with non-contribution account · BOSTON, MA · 1 transaction rows
DemocraticDerived from contributionsPAC (not qualified) · RALEIGH, NC · 2 transaction rows
DemocraticDerived from contributionsHouse campaign committee · SHELBYVILLE, KY · GALLREIN, ED · U.S. House KY 04 · 1 transaction rows
RepublicanDerived from contributionsReported as TETRA TECH INC.
Industry classification summary
Tetra Tech, Inc. is a global provider of consulting and engineering services, specializing in water, environment, and sustainable infrastructure. This matches the industry classification for professional and technical services.
AI classification auto-approved under admin authorization
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