Thompson & Lengacher Co., P.C.

Single Audit firm · MARYVILLE, Illinois

Also filed as: THOMPSON & LENGACHER · THOMPSON & LENGACHER CO., P.C.

Single Audits filed

Organizations audited

Findings across those audits

2025

Most recent audit year

Contact (as reported to the Federal Audit Clearinghouse)

9A Professional Park Drive · MARYVILLE, IL · 62062

Phone: (618) 288-9877

Contact on file: Heather Clugston

Email on file: heather@mtco-cpa.com

From this firm's Single Audit submissions. Contact details can change — verify with the firm directly.

Organizations audited by Thompson & Lengacher Co., P.C.

Every organization this firm filed a Single Audit for, newest first. Findings counts are from those filings.

Organization	Most recent audit FY ▼	Years audited
EAST SIDE HEALTH DISTRICT	2025-06-30	7
East Side Health District	2023-06-30	1
St. Louis Regional Airport	2020-05-31	1

Data source: Everything on this page comes from public Single Audit filings in the Federal Audit Clearinghouse. Audit and finding counts describe the filings on record — they are not a rating of the firm's work. This site is not affiliated with the firm or with the FAC.

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