Calendar Services, Inc.
2025–2026 federal contribution records · FEC Schedule A
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Contribution summary
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2025–2026 federal contribution records · FEC Schedule A
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Reading the shared contribution publication for this cycle.
Federal contribution records grouped across normalized variants of this reported employer. Contributions are made by individuals, not by the employer.
Current-version rows · memo entries excluded from net amount
Last updated .
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These immutable labels appeared in FEC filings and are grouped under Calendar Services, Inc..
Top 10 contributors and top 10 recipients · independent of list pagination
Explore the reported connections for Calendar Services, Inc.. Contributor and recipient lists are available below.
Data: GovMoneyGraph, based on FEC records. Groupings and recipient-party allocations are derived analysis, not FEC-verified identities or party registrations. Read our contribution and classification methodology.
Reported contributor groups, with evidence-based name-variant matching; not verified unique people · 10 per page
Showing 1–1 of 1 · largest absolute amount first
Evidence-based cluster of 5 reported identities; not a verified identity merge · AUSTIN, TX, 78744 · CALENDAR SERVICES, INC. · Finance, Insurance & Real Estate · EXECUTIVE · Reported as WINKELMAN, MARC / WINKELMAN, MARC T. / WINKELMAN, MARC T · 84 transaction rows
100% Democratic · 0% unclassifiedDerived from contributionsWhere the contributions went · 10 per page
Showing 1–10 of 43 · largest absolute amount first
PAC (not qualified) · RALEIGH, NC · 5 transaction rows
DemocraticDerived from contributionsPAC (not qualified) · WASHINGTON, DC · 2 transaction rows
DemocraticDerived from contributionsSenate campaign committee · ATLANTA, GA · OSSOFF, T. JONATHAN · U.S. Senate GA 00 · 3 transaction rows
DemocraticDerived from contributionsSenate campaign committee · AUSTIN, TX · TALARICO, JAMES · U.S. Senate TX 00 · 3 transaction rows
DemocraticDerived from contributionsPAC (not qualified) · WASHINGTON, DC · 1 transaction rows
DemocraticDerived from contributionsSenate campaign committee · MINNEAPOLIS, MN · CRAIG, ANGIE · U.S. Senate MN 00 · 2 transaction rows
DemocraticDerived from contributionsPAC (not qualified) · PHOENIX, AZ · 1 transaction rows
DemocraticDerived from contributionsHouse campaign committee · BRIGHTON, MI · MAASDAM, MATTHEW · U.S. House MI 07 · 2 transaction rows
DemocraticDerived from contributionsPAC (not qualified) · COLUMBUS, OH · 2 transaction rows
DemocraticDerived from contributionsSenate campaign committee · CRANSTON, RI · REED, JOHN F. · U.S. Senate RI 00 · 2 transaction rows
DemocraticDerived from contributionsIndustry classification summary
Research identifies Calendar Services, Inc. as an Austin-based firm associated with Marc Winkelman, described as being engaged in business management and investment services. No official website exists. The industry classification is based on reported executive and investment functions. The source URL confirms the employer and professional association.
AI classification auto-approved under admin authorization
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