Mack-Sumner Communications, LLC
Mack-Sumner Communications, LLC is a political services vendor. In the 2025-2026 cycle Mack-Sumner Communications, LLC was paid $10.95M across 9 client committees, of which $8.12M flowed through Independent Expenditures rather than direct committee payments.
Part I Identity
Stable facts about this entity. These figures do not change as you adjust the timeframe in Part II.
Source split
| Schedule B direct committee payments |
$2,829,224 | 184 rows | 25.8% |
| Independent Expenditures money this entity spent supporting candidates, NOT a committee paying them |
$8,119,823 | 349 rows | 74.2% |
- Activity span ALL TIME
- Apr 5, 2013 → Dec 18, 2017
- spans 4.7 years
- Disbursements ALL TIME
- 184
- Schedule B + IE rows
- Client committees ALL TIME
- 9
- distinct payers
Part II Activity in selected window
One timeframe control governs all three panels below. Change it once and the trajectory, top buyers, and party breakdown all update together.
Spend trajectory
Monthly spend to this vendor over the last 12 months.
Top buyers
Two views of the same data — diagram and table share the time-window control and the same top-buyers slice. Click "View all buyers in research" to drill in with the matching date range.
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By party
Revenue by party
| Party | Amount | % |
|---|---|---|
| Democratic | $64,480 | 0.59% |
| Republican | $0 | 0.00% |
| Non-partisan | $10,884,568 | 99.41% |
Part III Reference tables
Full all-time and cycle-to-date data.
Cycle-over-cycle trajectory
current cycle earlier election cycle off-cycle year quarterly · 1 year
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2017 | Q3 | 2018 | $2K | 1 | RODRIGUEZ, JOSE JAVIER 100% | Print & Mail 100% | $2K | — |
| 2017 | Q4 | 2018 | $24K | 7 | HMP 35% | Print & Mail 83% | $25K | — |
Revenue by service category
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| Category | Total spend | Txns | Avg check | % of total | Top buyer · share | Last paid |
|---|---|---|---|---|---|---|
| Print & Mail | $1,467,852 | 87 | $17K | 51.9% | GLAZER FOR SENATE 2015 SPON… 56% | 8y ago |
| Other / Unclassified | $422,969 | 20 | $21K | 14.9% | 880873 62% | 8y ago |
| Strategy & Research | $301,901 | 24 | $13K | 10.7% | SBRANTI FOR ASSEMBLY 2014, … 100% | 11y ago |
| Software & Tech | $281,152 | 22 | $13K | 9.9% | SBRANTI FOR ASSEMBLY 2014, … 99% | 11y ago |
| Fundraising | $261,401 | 26 | $10K | 9.2% | SBRANTI FOR ASSEMBLY 2014, … 100% | 11y ago |
| Digital | $90,000 | 4 | $23K | 3.2% | GLAZER FOR SENATE 2015 SPON… 100% | 11y ago |
| Field & Voter Contact | $3,950 | 1 | $4K | 0.1% | SBRANTI FOR ASSEMBLY 2014, … 100% | 12y ago |
Client retention
Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.
Geographic concentration
Where this vendor's clients are based — federal committees by state, plus implicit jurisdiction for CA and TX state filers.
| State | Total spend | % of revenue | Clients | |
|---|---|---|---|---|
| CA | $2,803,777 | 99.1% | 5 | |
| DC | $16,662 | 0.6% | 2 | |
| Unknown | $8,785 | 0.3% | 2 |
Notable disbursements
5 largest all-time · 5 largest in the current cycle · 5 most recent. Each row earns its place.
| Reason | Date | Filer | Category | Purpose | Amount |
|---|---|---|---|---|---|
| Largest all-time | 2016-10-19 | 880873 | Other / Unclassified | — | $263,539 |
| Largest all-time | 2014-07-30 | SBRANTI FOR ASSEMBLY 2014, SPONSORED BY THE CALIFORNIA TEACHERS ASSOCIATION AND CALIFORNIA STATE COUNCIL OF SERVICE EMPLOYEES; CALIFORNIANS FOR ECONOMIC PROSPERITY TO SUPPORT TIM | Strategy & Research | WEB, Steve Glazer, Oppose | $50,000 |
| Largest all-time | 2014-05-17 | SBRANTI FOR ASSEMBLY 2014, SPONSORED BY THE CALIFORNIA TEACHERS ASSOCIATION AND CALIFORNIA STATE COUNCIL OF SERVICE EMPLOYEES; CALIFORNIANS FOR ECONOMIC PROSPERITY TO SUPPORT TIM | Software & Tech | WEB | $50,000 |
| Largest all-time | 2014-10-10 | SBRANTI FOR ASSEMBLY 2014, SPONSORED BY THE CALIFORNIA TEACHERS ASSOCIATION AND CALIFORNIA STATE COUNCIL OF SERVICE EMPLOYEES; CALIFORNIANS FOR ECONOMIC PROSPERITY TO SUPPORT TIM | Software & Tech | WEB | $50,000 |
| Largest all-time | 2015-04-20 | GLAZER FOR SENATE 2015 SPONSORED BY LABOR ORGANIZATIONS; WORKING FAMILIES OPPOSING | Print & Mail | Mailer | $43,682 |
| Largest this cycle | 2017-11-03 | HMP | Print & Mail | PRINTING | $7,697 |
| Largest this cycle | 2017-10-30 | RODRIGUEZ, JOSE JAVIER | Print & Mail | PRINTING OF CAMPAIGN MATERIALS | $6,835 |
| Largest this cycle | 2017-11-20 | C00658419 | Other / Unclassified | PRINTED STATIONARY AND ENVELOPES | $4,055 |
| Largest this cycle | 2017-11-30 | C00658328 | Print & Mail | PRINTING OF CAMPAIGN MATERIALS | $3,575 |
| Largest this cycle | 2017-07-27 | RODRIGUEZ, JOSE JAVIER | Print & Mail | PRINTING OF CAMPAIGN MATERIALS | $1,505 |
| Recent | 2017-11-28 | C00658328 | Print & Mail | PRINTING OF CAMPAIGN MATERIALS | $675 |
| Recent | 2017-11-28 | HMP | Print & Mail | PRINTING | $625 |
| Recent | 2017-12-18 | C00658328 | Print & Mail | PRINTING OF CAMPAIGN MATERIALS | $480 |