TickerFacts.

Tetra Tech Inc (TTEK): Cost of Revenue

Annual figures by period end, from SEC filings.

$825.23M
Year ended 2025-09-28
$710.80M
Trailing 12 months to 2026-06-28
$876.82M2023-10-01: $771.46M2024-09-29: $876.82M2025-09-28: $825.23M$825.23M
2023-10-01 Cost of Revenue (USD) 2025-09-28
Period endedCost of RevenueChange YoYSource filing
2025-09-28$825.23M-5.9%2025-11-20, From 2024-09-30
2024-09-29$876.82M+13.7%2025-11-20, From 2023-10-02
2023-10-01$771.46Mn/a2025-11-20, From 2022-10-03

Cost of Revenue at similar companies

Companies with the same SEC industry code (Services-Engineering Services), reporting in the same currency, closest in revenue. Each shows its own latest fiscal year, so period ends differ.

CompanyYear endedCost of RevenueChange YoY
Tetra Tech Inc (TTEK)2025-09-28$825.23M-5.9%
Aecom (ACM)2025-09-30$14.92B-0.7%
Willdan Group, Inc. (WLDN)2026-01-02$425.87M+17.3%
Acorn Energy, Inc. (ACFN)2025-12-31$2.66M-10.8%
OFA Group (OFAL)2026-03-31$553.0K+387.8%

Compare TTEK, ACM, WLDN, ACFN side by side · Screen every company in Services-Engineering Services ↗