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Williams Brothers Construction Co., Inc.: data breach filings, state by state

Williams Brothers Construction Co., Inc. has 2 data breach filings on record in 2 government portals. The latest was reported to Texas AG on Aug 21, 2026, with 21,537 Texas residents. Data exposed, as filed: Social Security number, Health insurance.

21,538residents counted in 2 states (TX, MA). Latest filing per state, last twelve months
21,913people in total, as reported to Texas AG on Aug 21, 2026
2filings in 2 government portals
Aug 21, 2026latest filing, Texas AG

By portal

PortalFilingsLatest reportPeople in the latest filing
Texas AG1Aug 21, 202621,537 Texas residents
Massachusetts OCABR1Aug 19, 20261 Massachusetts residents

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

Case file

Breach window
Jan 10, 2026 to Jan 11, 2026
Discovered
No letter on file to read
Offered to those affected
No letter on file to read
Third party named
No letter on file to read

Open the case fileWord document

Every filing with the agency links, each state's record against its statutory period with the citation, what the letter offers, prior incidents. Letter facts are quoted so you can check them.

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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Williams Brothers Construction Co., Inc. Texas AG TX Aug 21, 2026 21,537 Social Security numberHealth insuranceName
Williams Brothers Construction Co., Inc. Massachusetts OCABR MA Aug 19, 2026 1 Social Security number

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.