GRINDSTONE FIELD SOLUTIONS, LLC
$3.99M
2025-2026 cycle
GRINDSTONE FIELD SOLUTIONS, LLC is a strategy & research vendor. In the 2025-2026 cycle GRINDSTONE FIELD SOLUTIONS, LLC was paid $3.99M across 28 client committees.
Part I Identity
Stable facts about this entity. These figures do not change as you adjust the timeframe in Part II.
- Activity span ALL TIME
- Aug 31, 2018 → May 14, 2026
- spans 7.7 years
- Disbursements ALL TIME
- 182
- Schedule B rows
- Client committees ALL TIME
- 28
- 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.
Jun 2025
May 2026
$1.32M
across 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.
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 1 months · top 3
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$255,970 | 2 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$88,442 | 1 |
| 741666 741666 |
$54,941 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 3 months · top 6
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$521,840 | 4 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$157,687 | 5 |
| 741666 741666 |
$119,725 | 2 |
| KEEPING CALIFORNIANS WORKING, DENTISTS, HOUSING PROVIDERS, ENERGY, AND INSURANCE AGENTS 1365806 |
$86,983 | 1 |
| KOUNALAKIS FOR TREASURER 2026; ELENI 1483008 |
$10,775 | 4 |
| BECERRA FOR GOVERNOR 2026 1480025 |
$4,600 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 6 months · top 9
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$521,840 | 4 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$157,687 | 5 |
| 741666 741666 |
$119,725 | 2 |
| KEEPING CALIFORNIANS WORKING, DENTISTS, HOUSING PROVIDERS, ENERGY, AND INSURANCE AGENTS 1365806 |
$86,983 | 1 |
| KOUNALAKIS FOR TREASURER 2026; ELENI 1483008 |
$37,763 | 6 |
| TUBBS FOR LIEUTENANT GOVERNOR 2026; MICHAEL 1471234 |
$9,734 | 3 |
| UMBERG FOR BOARD OF EQUALIZATION 2026; COLONEL (RET.) TOM 1485168 |
$8,495 | 1 |
| NEWSOM'S BALLOT MEASURE COMMITTEE; THE ELECTION RIGGING RESPONSE ACT, GOVERNOR 1380675 |
$5,000 | 1 |
| BECERRA FOR GOVERNOR 2026 1480025 |
$4,600 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 12 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$521,840 | 4 |
| VOTE NOW CALIFORNIA 1465564 |
$364,660 | 4 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$157,687 | 5 |
| 741666 741666 |
$121,925 | 3 |
| KEEPING CALIFORNIANS WORKING, DENTISTS, HOUSING PROVIDERS, ENERGY, AND INSURANCE AGENTS 1365806 |
$86,983 | 1 |
| KOUNALAKIS FOR TREASURER 2026; ELENI 1483008 |
$37,763 | 6 |
| TUBBS FOR LIEUTENANT GOVERNOR 2026; MICHAEL 1471234 |
$9,734 | 3 |
| UMBERG FOR BOARD OF EQUALIZATION 2026; COLONEL (RET.) TOM 1485168 |
$8,495 | 1 |
| BAINS, JASMEET CA · House DEM |
$5,163 | 1 |
| NEWSOM'S BALLOT MEASURE COMMITTEE; THE ELECTION RIGGING RESPONSE ACT, GOVERNOR 1380675 |
$5,000 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 18 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$521,840 | 4 |
| VOTE NOW CALIFORNIA 1465564 |
$364,660 | 4 |
| 741666 741666 |
$217,071 | 6 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$157,687 | 5 |
| KEEPING CALIFORNIANS WORKING, DENTISTS, HOUSING PROVIDERS, ENERGY, AND INSURANCE AGENTS 1365806 |
$86,983 | 1 |
| KOUNALAKIS FOR TREASURER 2026; ELENI 1483008 |
$37,763 | 6 |
| TUBBS FOR LIEUTENANT GOVERNOR 2026; MICHAEL 1471234 |
$9,734 | 3 |
| UMBERG FOR BOARD OF EQUALIZATION 2026; COLONEL (RET.) TOM 1485168 |
$8,495 | 1 |
| BAINS, JASMEET CA · House DEM |
$5,163 | 1 |
| NEWSOM'S BALLOT MEASURE COMMITTEE; THE ELECTION RIGGING RESPONSE ACT, GOVERNOR 1380675 |
$5,000 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 24 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$521,840 | 4 |
| VOTE NOW CALIFORNIA 1465564 |
$364,660 | 4 |
| DCCC C00000935 |
$300,000 | 3 |
| COSTA, JIM CA · House DEM |
$248,205 | 5 |
| 741666 741666 |
$217,071 | 6 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$157,687 | 5 |
| ROTH, USAF (RET.) FOR SUPERVISOR 2024; MAJOR GENERAL RICHARD D. 1443177 |
$135,787 | 7 |
| KEEPING CALIFORNIANS WORKING, DENTISTS, HOUSING PROVIDERS, ENERGY, AND INSURANCE AGENTS 1365806 |
$86,983 | 1 |
| BAINS FOR ASSEMBLY 2024; DR. JASMEET 1456690 |
$78,704 | 6 |
| GRAY, ADAM C. CA · House DEM |
$73,145 | 2 |
By party
Revenue by party
D · 100%
R · 0%
| Party | Amount | % |
|---|---|---|
| Democratic | $900,653 | 22.55% |
| Republican | $0 | 0.00% |
| Non-partisan | $3,093,910 | 77.45% |
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 · 7 years
Per-quarter totals
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2018 | Q3 | 2018 | $10K | 2 | COSTA, JIM 100% | Strategy & Research 100% | $10K | — |
| 2018 | Q4 | 2018 | $22K | 4 | COSTA, JIM 100% | Strategy & Research 100% | $33K | — |
| 2020 | Q1 | 2020 | $40K | 7 | COSTA, JIM 63% | Strategy & Research 100% | $40K | — |
| 2020 | Q3 | 2020 | $22K | 1 | SCHOOLS AND COMMUNITIES FIR… 100% | Other / Unclassified 100% | $62K | +110% |
| 2022 | Q1 | 2022 | $10K | 1 | ASHBY FOR SENATE 2022; ANGE… 100% | Strategy & Research 100% | $10K | -75% |
| 2022 | Q2 | 2022 | $194K | 13 | HURTADO FOR SENATE 2022 46% | Field & Voter Contact 69% | $204K | — |
| 2022 | Q3 | 2022 | $145K | 9 | COSTA, JIM 73% | Strategy & Research 96% | $349K | +570% |
| 2022 | Q4 | 2022 | $840K | 63 | HURTADO FOR SENATE 2022 26% | Strategy & Research 59% | $1.19M | — |
| 2023 | Q1 | 2022 | $3K | 4 | HURTADO FOR SENATE 2022 100% | Wages & Payroll 71% | $1.19M | — |
| 2024 | Q1 | 2024 | $252K | 10 | KEEP CALIFORNIA GOLDEN 28% | Strategy & Research 46% | $252K | +2417% |
| 2024 | Q3 | 2024 | $490K | 11 | DCCC 46% | Strategy & Research 98% | $742K | +239% |
| 2024 | Q4 | 2024 | $548K | 24 | COSTA, JIM 23% | Strategy & Research 85% | $1.29M | -35% |
| 2025 | Q1 | 2024 | $94K | 2 | 741666 100% | Strategy & Research 100% | $1.38M | +3243% |
| 2025 | Q2 | 2024 | $1K | 1 | 741666 100% | Strategy & Research 100% | $1.39M | — |
| 2025 | Q3 | 2024 | $125K | 2 | VOTE NOW CALIFORNIA 100% | Other / Unclassified 100% | $1.51M | — |
| 2025 | Q3 | 2026 | $5K | 1 | BAINS, JASMEET 100% | Strategy & Research 100% | $5K | — |
| 2025 | Q4 | 2024 | $242K | 3 | VOTE NOW CALIFORNIA 99% | Other / Unclassified 99% | $1.75M | — |
| 2026 | Q1 | 2026 | $221K | 13 | CALIFORNIA ALLIANCE OF FAMI… 64% | Strategy & Research 89% | $226K | -12% |
| 2026 | Q2 | 2026 | $731K | 11 | CALIFORNIA ALLIANCE OF FAMI… 52% | Strategy & Research 31% | $957K | — |
Revenue by service category
Per-category breakdown · cycle-to-date
| Category | Total spend | Txns | Avg check | % of total | Top buyer · share | Last paid |
|---|---|---|---|---|---|---|
| Strategy & Research | $2,351,709 | 114 | $21K | 65.8% | COSTA, JIM 22% | 7w ago |
| Field & Voter Contact | $625,757 | 19 | $33K | 17.5% | HURTADO FOR SENATE 2022 46% | 3w ago |
| Other / Unclassified | $529,092 | 24 | $22K | 14.8% | VOTE NOW CALIFORNIA 69% | 3mo ago |
| Digital | $45,646 | 6 | $8K | 1.3% | COMMITTEE TO SUPPORT THE AL… 58% | 3mo ago |
| Travel & Events | $15,171 | 11 | $1K | 0.4% | HURTADO FOR SENATE 2022 83% | 2mo ago |
| Fundraising | $4,600 | 1 | $5K | 0.1% | BECERRA FOR GOVERNOR 2026 100% | 6w ago |
| Wages & Payroll | $2,000 | 1 | $2K | 0.1% | HURTADO FOR SENATE 2022 100% | 3y ago |
Client retention
Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.
3
Anchor clients 3+ cycles
$1,007,427 · 25% of revenue
0
Repeat clients 2 cycles
$0 · 0% of revenue
25
One-time clients 1 cycle
$2,987,136 · 75% of revenue
Top 3 anchor clients · all-time
| Client | Cycles | All-time spend | Txns | First paid | Last paid |
|---|---|---|---|---|---|
| COSTA, JIM | 4 | $522,346 | 23 | 2018-08-31 | 2024-11-23 |
| KEEP CALIFORNIA GOLDEN | 3 | $243,010 | 7 | 2020-02-24 | 2026-05-12 |
| 741666 | 3 | $242,071 | 7 | 2022-12-01 | 2026-05-13 |
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 | $3,694,563 | 92.5% | 27 | |
| DC | $300,000 | 7.5% | 1 |
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 | 2024-08-16 | DCCC | Strategy & Research | GENERIC CMTE. GOTV CONSULTING | $150,000 |
| Largest all-time | 2026-03-27 | CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC | Strategy & Research | — | $141,856 |
| Largest all-time | 2026-05-14 | CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC | — | SEE SCHEDULE G | $131,956 |
| Largest all-time | 2026-05-14 | CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC | — | — | $124,014 |
| Largest all-time | 2026-04-06 | CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC | Strategy & Research | — | $124,014 |
| Largest this cycle | 2026-05-12 | KEEP CALIFORNIA GOLDEN | Field & Voter Contact | Canvassing/Support/Andrae Gonzales/State Assembly/District 35 | $88,442 |
| Recent | 2026-04-29 | KEEPING CALIFORNIANS WORKING, DENTISTS, HOUSING PROVIDERS, ENERGY, AND INSURANCE AGENTS | — | CMP, SAL, PHO; Support; Andrae Gonzales; AD 35 | $86,983 |
| Recent | 2026-05-13 | 741666 | — | campaign field coordinator | $54,941 |