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Back to John A. "Johnny O" Olszewski Jr.
FEC campaign finance
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John A. "Johnny O" Olszewski Jr. — who funded the campaign

Public Federal Election Commission data, aggregated by contributor. Click a column header to re-sort. See our methodology for how we classify donor profiles.

2024 cycle2022 cycle2020 cycle
$1.6M
Total raised
79%
From individuals
20%
From PACs
0%
Self-funded
Industry rollup (from top 20)
Updated 2026-06-28 · source: FEC

Where the money clusters

FEC classifies unitemized contributions and retiree donations under generic buckets ("Individual / Retired"). These are not real industries — we surface them for transparency but exclude them from top-industry summaries elsewhere on the site.

  • Individual / RetiredFEC unitemized
    $98K
Top contributors

20 contributors aggregated by name + employer

Sort byAmountFEC rankName
  1. #1
    RETIRED
    RETIRED[Individual / Retired]
    $72K
  2. #2
    SELF EMPLOYED
    SELF EMPLOYED[Individual / Retired]
    $26K
  3. #3
    SELF
    SELF
    $18K
  4. #4
    CHESAPEAKE REALTY PARTNERS
    CHESAPEAKE REALTY PARTNERS
    $13K
  5. #5
    VENABLE LLP
    VENABLE LLP
    $10K
  6. #6
    HIMMELRICH ASSOCIATES, INC.
    HIMMELRICH ASSOCIATES, INC.
    $10K
  7. #7
    MILEONE
    MILEONE
    $10K
  8. #8
    TRADEPOINT ATLANTIC
    TRADEPOINT ATLANTIC
    $9K
  9. #9
    28 WALKER LLC
    28 WALKER LLC
    $9K
  10. #10
    CASTLE ROCK REALTY MANAGEMENT LLC
    CASTLE ROCK REALTY MANAGEMENT LLC
    $9K
  11. #11
    RESIDENTIAL TITLE & ESCROW
    RESIDENTIAL TITLE & ESCROW
    $8K
  12. #12
    OSPREY PROPERTY COMPANY
    OSPREY PROPERTY COMPANY
    $8K
  13. #13
    CORNERSTONE GOVERNMENT AFFAIRS
    CORNERSTONE GOVERNMENT AFFAIRS
    $8K
  14. #14
    BURTON POLICY CONSULTING LLC
    BURTON POLICY CONSULTING LLC
    $8K
  15. #15
    APARTMENT SERVICES, INC.
    APARTMENT SERVICES, INC.
    $8K
  16. #16
    ALTERWOOD HEALTH
    ALTERWOOD HEALTH
    $7K
  17. #17
    GALLAGHER EVELIUS & JONES LLP
    GALLAGHER EVELIUS & JONES LLP
    $7K
  18. #18
    BLENDED PUBLIC AFFAIRS
    BLENDED PUBLIC AFFAIRS
    $7K
  19. #19
    CELEBREE SCHOOL
    CELEBREE SCHOOL
    $7K
  20. #20
    ROCON LLC
    ROCON LLC
    $7K
Data source: FEC OpenAPI v1 (FEC candidate H4MD02232 ). Aggregated by contributor name + employer to deduplicate. The individual / PAC / self-funded breakdown is computed from the candidate’s reported totals; the industry rollup uses a keyword classifier on contributor employer + occupation fields (small, conservative — false-positives hurt credibility more than missing tags). Last synced Jun 28, 2026.

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