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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees Js Koster Hose Company Inc. Mariah McDonald

Mariah McDonald

Director at Js Koster Hose Company Inc.

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$0

2024

Total compensation

Mariah McDonald has been listed as an employee of Js Koster Hose Company Inc. in Form 990 filings since fiscal year 2024.

Annual compensation details

$0

Director

2024

Compare the compensation of Mariah McDonald to:

2024

Other employees at Js Koster Hose Company Inc.

Assistant Treasurer

First Assistant

Charity Hoffert

Timothy Thayer Sr

Benjamin McDonald

Second Assistant

Jennifer Samson

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January 25, 2026:

2024 Js Koster Hose Company Inc. 990 published

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