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Verified Primary Sources: NADC Open Data & Legacy Extracts (2015–Present) · FEC Schedule A / B / E & 24/48-Hr Notices · IRS Form 990 / BMF · USAspending.gov● Synced Oct 27, 2026 · Non-individual contributor policy enforced · Report a correction

Undisclosed Money & NADC Supplemental Filers (2026 (partial, as of 2026-10-27))

Political money that cannot be traced to underlying individual donors in public filings: NADC Form B-5 (out-of-state contributors), Form B-7 (corporations, unions, trade associations, and 501(c)(4)s), Form B-9 (electioneering/major out-of-state), unitemized contributions ≤ $250, and IRS 501(c)(4) / 501(c)(6) organizations.
⇄ Compare Filers
Period: calendar year 2026 — PARTIAL / IN PROGRESS (as of 2026-10-27): figures cover filings through the "as of" dates shown and will change. · NADC years: 2026
Federal (FEC) committee totals on this page are 2025-26 cycle totals — the FEC reports them per two-year cycle, so they are not 2026-only amounts (2025-26 cycle in progress). Committee-to-committee transfers and ActBlue earmarks are 2026-only, by transaction date. Federal grants are federal fiscal year 2026 (Oct 2025 – Sep 2026).
NADC Supplemental Filer Spending
$30,685,640
498 filers (Form B-5 / B-7 / B-9)
Unitemized NADC Receipts (≤ $250)
$3,610,076
Below statutory itemization threshold
NE 501(c)(4) Social-Welfare Orgs
715
Donors not disclosed on IRS Form 990
NE 501(c)(6) Trade & Business Leagues
603
Chambers & industry associations
Top NADC Supplemental Filer (y2026)
$7,037,500 reported on NADC supplemental filings (Business).
Form B-5 / B-7 / B-9 Disclosure Rule
Entity Named · Underlying Donors Undisclosed
Corporations, unions, 501(c)(4)s, and trade associations report the expenditure or contribution itself on Form B-7, without itemizing their general-treasury funders.
Lobbyist Principal Cross-Reference
491 Active Supplemental Filers in y2026
Cross-linked against NADC Lobbyist Principal registrations (`lforma.txt`) and the IRS Exempt Organizations Business Master File.
NADC Supplemental Filers (Form B-5/B-7/B-9) & NE 501(c)(4)/(c)(6) Registry (y2026) · Verified public filings (691 rows ready)
⇄ Committee Comparison
Methodology — How Plains Ledger Classifies Undisclosed & Supplemental-Filer Money
Under the Nebraska Political Accountability and Disclosure Act, corporations, labor unions, industry/trade associations, and non-committee organizations that make political contributions or independent expenditures file supplemental reports (Form B-7, Form B-5, or Form B-9) rather than full PAC campaign statements. Plains Ledger resolves each supplemental filer against the IRS Exempt Organizations Business Master File (`501(c)(4)`, `501(c)(5)`, `501(c)(6)`) and NADC Lobbyist Principal records while labeling the underlying source of funds as undisclosed · as of NADC bulk extracts 2026 (by NADC reporting year; files dated 2026-10-27; downloaded 2026-10-22); ProPublica Nonprofit Explorer API, pulled 2026-10-23.

Top NADC Supplemental Filers (Form B-5 / B-7 / B-9 Corporations, Unions, Trade Associations & 501c4s) in y2026

Supplemental FilerClassified Entity Type & BasisNADC Filing Category & IDReported Spending / Outflows
DRAFTKINGS INC. AND ITS AFFILIATESBusinessNebraska Business Supplemental FilerNADC #10218$7,037,500
FANDUEL GROUP, INC.BusinessOut of State Business Supplemental FilerNADC #9968$7,037,500
NEBRASKA DONOR ALLIANCE501(c)(4)Nebraska Business Supplemental FilerNADC #9264$4,179,000
RESTORE THE GOOD LIFE INCBusinessNebraska Business Supplemental FilerNADC #8298$3,531,507
BETMGM, LLC DBA ROAR DIGITAL LLCBusinessNebraska Business Supplemental FilerNADC #10344$500,000
CHASE MARKETING LLCBusinessNebraska Business Supplemental FilerNADC #9353$494,670
UNION PACIFIC RAILROAD COMPANY501(c)(5) unionNebraska Business Supplemental FilerNADC #8016$411,000
NEBRASKA APPLESEED ACTION FUND501(c)(4)Nebraska Business Supplemental FilerNADC #7886$365,337
JSMM FARMS PARTNERSHIPBusinessNebraska Business Supplemental FilerNADC #7897$250,000
KAAPA ETHANOL HOLDINGS LLCBusinessNebraska Business Supplemental FilerNADC #7899$241,000
ALLIANCE OMAHA SOCCER DBA UNION OMAHA501(c)(5) unionNebraska Business Supplemental FilerNADC #8717$240,500
AMERICAN ENERGY ACTION FUND (C00760082)Independent expenditure / Super PACOther Entity Supplemental FilerNADC #8620$230,000
PLANNED PARENTHOOD ADVOCATES OF NEBRASKA501(c)(4)Nebraska Business Supplemental FilerNADC #8184$222,458
NEBRASKA GROUNDSWELLBusinessNebraska Business Supplemental FilerNADC #10427$210,829
LOCAL ACCOUNTABILITY PACPACOther Entity Supplemental FilerNADC #10617$190,000
SECOND HOUSE COLLABORATIVE501(c)(4)Nebraska Business Supplemental FilerNADC #9030$173,537
HUSKER GAMING LLCBusinessNebraska Business Supplemental FilerNADC #8863$143,500
FOOTE CATTLE COMPANY LLCBusinessNebraska Business Supplemental FilerNADC #10126$125,000
BOLD ALLIANCE INC501(c)(4)Nebraska Business Supplemental FilerNADC #7854$121,086
MOLINA HEALTHCARE INCBusinessNebraska Business Supplemental FilerNADC #9097$108,000
CHIEF INDUSTRIES, INC.
NADC Lobbyist Principal Industry: manufacturing and ethanol production
BusinessNebraska Business Supplemental FilerNADC #7755$107,500
I.B.E.W. LOCAL UNION NO. 22501(c)(5) unionNebraska Business Supplemental FilerNADC #7758$103,819
A GLENN KLUCK COBusinessNebraska Business Supplemental FilerNADC #7880$100,000
NEBRASKA APPLESEED CENTER FOR LAW IN THE PUBLIC INTEREST
NADC Lobbyist Principal Industry: law & policy non-profit organization
501(c)(3)Nebraska Business Supplemental FilerNADC #7885$95,384
NEBRASKA & SOUTHWEST IOWA BUILDING & CONSTRUCTION TRADES COUNCIL501(c)(5) unionNebraska Business Supplemental FilerNADC #8615$95,000
HAWKINS CONSTRUCTION COMPANYBusinessNebraska Business Supplemental FilerNADC #7769$93,000
GOOGLE LLC AND ITS AFFILIATESBusinessNebraska Business Supplemental FilerNADC #9400$90,000
TENASKA
NADC Lobbyist Principal Industry: Energy
BusinessNebraska Business Supplemental FilerNADC #7867$82,000
CENTENE CORPORATIONBusinessNebraska Business Supplemental FilerNADC #8017$81,500
KIEWIT CORPORATION
NADC Lobbyist Principal Industry: Construction, Engineering, Mining
BusinessNebraska Business Supplemental FilerNADC #7846$80,500
REYNOLDS AMERICAN INC. / RAI SERVICESBusinessNebraska Business Supplemental FilerNADC #7893$76,000
FBG ENTERPRISES OPCO, LLCBusinessNebraska Business Supplemental FilerNADC #10279$75,000
WAY BACK PACPACOther Entity Supplemental FilerNADC #10471$75,000
KALSHI INC.BusinessOut of State Business Supplemental FilerNADC #10578$75,000
SIOUXLAND ETHANOL LLC
NADC Lobbyist Principal Industry: ethanol issues
BusinessNebraska Business Supplemental FilerNADC #9803$75,000
NATIONAL ASSOCIATION OF REALTORS FUND501(c)(6) trade groupOther Entity Supplemental FilerNADC #8674$69,851
ACLU NEBRASKA
NADC Lobbyist Principal Industry: protect & promote civil liberties
501(c)(4)Nebraska Business Supplemental FilerNADC #7910$60,494
CHARTER COMMUNICATIONS INCBusinessNebraska Business Supplemental FilerNADC #7862$58,000
NEXTERA ENERGY RESOURCES LLC
NADC Lobbyist Principal Industry: Wind Energy Producer
BusinessNebraska Business Supplemental FilerNADC #7996$58,000
WARHORSE GAMING LLCBusinessNebraska Business Supplemental FilerNADC #8002$57,000
NEBRASKA CIVIC ENGAGEMENT TABLE501(c)(3)Nebraska Business Supplemental FilerNADC #7827$16,687
CIVIC NEBRASKA501(c)(3)Nebraska Business Supplemental FilerNADC #7855$8,774
NEBRASKA STATE EDUCATION ASSOCIATION (NSEA)
NADC Lobbyist Principal Industry: Professional Organization for Nebraska Public School Employees
501(c)(5) unionNebraska Business Supplemental FilerNADC #7856$6,924
HEARTLAND WORKERS CENTER501(c)(3)Nebraska Business Supplemental FilerNADC #9041$3,439
NEBRASKA FAMILY ALLIANCE
NADC Lobbyist Principal Industry: non profit religious education
501(c)(3)Nebraska Business Supplemental FilerNADC #9699$3,415

Sample of Nebraska 501(c)(4) Social-Welfare Organizations (with NADC Cross-Reference)

OrganizationCityEINNADC Filer / Lobbyist Cross-RefDisclosure Status
Delta Dental Of NebraskaOmahaEIN 47-0685003 · 990 ↗—donors undisclosed
Hall County Livestock Improvement Assn IncGrand IslandEIN 47-0399395 · 990 ↗—donors undisclosed
Nebraskans For Reproductive FreedomLincolnEIN 92-3436253 · 990 ↗—donors undisclosed
Nebraska Municipal Power PoolLincolnEIN 47-0575470 · 990 ↗—donors undisclosed
Nebraska Donor AllianceLincolnEIN 93-3165832 · 990 ↗—donors undisclosed
League Of Nebraska MunicipalitiesLincolnEIN 47-0385019 · 990 ↗—donors undisclosed
Nebraska Association Of County OfficialsLincolnEIN 47-0522159 · 990 ↗—donors undisclosed
Nebraskaland Days IncNorth PlatteEIN 47-0521025 · 990 ↗—donors undisclosed
Twin Cities Development Association IncScottsbluffEIN 47-6036153 · 990 ↗—donors undisclosed
Second House CollaborativeLincolnEIN 92-2387975 · 990 ↗—donors undisclosed
Hastings Economic Development CorporationHastingsEIN 47-0551577 · 990 ↗—donors undisclosed
Nebraska Golf AssociationOmahaEIN 23-7073030 · 990 ↗—donors undisclosed
Nebraka VotesLincolnEIN 84-3398872 · 990 ↗—donors undisclosed
Irvington Volunteer Fire Department IncorporatedOmahaEIN 51-0209524 · 990 ↗—donors undisclosed
Nebraska State Volunteer Firemens AssociationMilfordEIN 47-0249988 · 990 ↗—donors undisclosed
Friends Of Woods Tennis IncLincolnEIN 26-4037198 · 990 ↗—donors undisclosed
Platte County Agricultural SocietyColumbusEIN 47-0376462 · 990 ↗—donors undisclosed
NmmLincolnEIN 87-2460887 · 990 ↗—donors undisclosed
Planned Parenthood Voters Of NebraskaOmahaEIN 47-0762497 · 990 ↗—donors undisclosed
Nebraska Conservation VotersLincolnEIN 03-0402828 · 990 ↗—donors undisclosed
Peo Sisterhood International ChapterWaverlyEIN 47-6031043 · 990 ↗—donors undisclosed
American Civil Liberties UnionLincolnEIN 23-7093415 · 990 ↗—donors undisclosed
Your NebraskaOmahaEIN 99-0749161 · 990 ↗—donors undisclosed
Mccook Economic Development CorporationMccookEIN 47-0685662 · 990 ↗—donors undisclosed
Oneill Area Chamber Of Commerce IncOneillEIN 47-0527399 · 990 ↗—donors undisclosed
Boulevard Village IncNorfolkEIN 23-7071580 · 990 ↗—donors undisclosed
Central City Municipal Facilities CorpCentral CityEIN 26-2156787 · 990 ↗—donors undisclosed
Cozad Development CorporationCozadEIN 47-0642009 · 990 ↗—donors undisclosed
Nebraska Appleseed Action FundLincolnEIN 83-2976095 · 990 ↗—donors undisclosed
Kearney Volunteer Fire DepartmentKearneyEIN 47-6033637 · 990 ↗—donors undisclosed
Bold Alliance IncOmahaEIN 27-0637437 · 990 ↗—donors undisclosed
Rudge Memorial Home Testamentary TrustLincolnEIN 47-6026339 · 990 ↗—donors undisclosed
Thayer County Economic Development Alliance IncHebronEIN 26-0042799 · 990 ↗—donors undisclosed
Nebraska Rural Community Schools AssociationLincolnEIN 47-0665134 · 990 ↗—donors undisclosed
Niobrara Development IncorporatedNiobraraEIN 23-7265863 · 990 ↗—donors undisclosed
Nebraska Community College AssociationLincolnEIN 47-0634861 · 990 ↗—donors undisclosed
Nebraska Diplomats IncLincolnEIN 47-6032343 · 990 ↗—donors undisclosed
Quad County Golf Association IncHumboldtEIN 47-0758290 · 990 ↗—donors undisclosed
Ponca State Park Golf Club IncPoncaEIN 47-0783902 · 990 ↗—donors undisclosed
Black In Action CollectiveOmahaEIN 99-3054588 · 990 ↗—donors undisclosed
Holland Childrens MovementOmahaEIN 46-3963129 · 990 ↗—donors undisclosed
Fillmore County Development CorpGenevaEIN 47-0721337 · 990 ↗—donors undisclosed
North Omaha Intergenerational Campus IncOmahaEIN 46-4690725 · 990 ↗—donors undisclosed
University Program Council University Of Nebraska - LincolnLincolnEIN 27-1324754 · 990 ↗—donors undisclosed
Nebraska Right To LifeLincolnEIN 47-0550845 · 990 ↗—donors undisclosed
Cheer Athletic Omaha Booster ClubOmahaEIN 92-2061078 · 990 ↗—donors undisclosed
Veterans Club Ord NebraskaOrdEIN 47-0367954 · 990 ↗—donors undisclosed
Kiwanis International IncWahooEIN 42-0726999 · 990 ↗—donors undisclosed
Millard Swim Club IncGretnaEIN 47-0559884 · 990 ↗—donors undisclosed
Nebraskans For Better GovernanceNorfolkEIN 92-1063360 · 990 ↗—donors undisclosed

Sample of Nebraska 501(c)(6) Trade Associations & Chambers (with NADC Cross-Reference)

OrganizationCityEINNADC Filer / Lobbyist Cross-RefDisclosure Status
Nebraska Soybean BoardLincolnEIN 47-0792418 · 990 ↗—donors undisclosed
Nebraska Hospital AssociationLincolnEIN 47-0384546 · 990 ↗—donors undisclosed
New Better Business Bureau IncOmahaEIN 47-0258465 · 990 ↗—donors undisclosed
Np Area Chamber Of Commerce Commerce & Development Corp IncNorth PlatteEIN 47-0254640 · 990 ↗—donors undisclosed
Board Of Certification IncOmahaEIN 56-1662638 · 990 ↗—donors undisclosed
Nebraska Bankers Association IncLincolnEIN 47-0248240 · 990 ↗—donors undisclosed
Lincoln Chamber Of CommerceLincolnEIN 47-0221590 · 990 ↗—donors undisclosed
Nebraska Chamber Of Commerce & IndustryLincolnEIN 47-0095161 · 990 ↗—donors undisclosed
Nebraska Assn Of School BoardsLincolnEIN 47-0408744 · 990 ↗—donors undisclosed
Nebraska State Bar AssociationLincolnEIN 47-0249952 · 990 ↗—donors undisclosed
Nebraska State Medical AssociationLincolnEIN 47-0372108 · 990 ↗—donors undisclosed
Nebraska Horsemens Benevolent & Protective Association IncLincolnEIN 47-0721298 · 990 ↗—donors undisclosed
Greater Omaha Chamber Of CommerceOmahaEIN 47-0258610 · 990 ↗—donors undisclosed
Nebraska Health Care Association IncLincolnEIN 47-0488922 · 990 ↗—donors undisclosed
Kearney Visitors Bureau IncKearneyEIN 86-1176325 · 990 ↗—donors undisclosed
All Baby & ChildLincolnEIN 11-3681922 · 990 ↗—donors undisclosed
Nebraska Center For Excellence In Electronics IncLincolnEIN 47-0813390 · 990 ↗—donors undisclosed
Downtown Lincoln Bid AssociationLincolnEIN 47-0837543 · 990 ↗—donors undisclosed
Nebraska Council Of School AdminstratorsLincolnEIN 47-0530908 · 990 ↗—donors undisclosed
American Association Of Psychiatric PharmacistsLincolnEIN 47-0808612 · 990 ↗—donors undisclosed
Downtown Lincoln AssociationLincolnEIN 47-0606379 · 990 ↗—donors undisclosed
Lincoln Chamber Economic Development CorporationLincolnEIN 47-6036618 · 990 ↗—donors undisclosed
Gothenburg Improvement CompanyGothenburgEIN 47-0662728 · 990 ↗—donors undisclosed
Nebraska Rural Electric AssociationLincolnEIN 47-0394033 · 990 ↗—donors undisclosed
Nebraska Section Professional Golfers Association Of America IncLincolnEIN 47-0693768 · 990 ↗—donors undisclosed
Nebraska Realtors AssociationLincolnEIN 47-0406412 · 990 ↗—donors undisclosed
National Council On Weights And MeasuresLincolnEIN 54-1895916 · 990 ↗—donors undisclosed
Nebr Pharmacists AssocLincolnEIN 47-0249555 · 990 ↗—donors undisclosed
Nebraska Trucking Association IncLincolnEIN 47-0248670 · 990 ↗—donors undisclosed
Nebraska Rural Water Association IncWahooEIN 47-0600532 · 990 ↗—donors undisclosed
Grand Island Area Economic Development CorporationGrand IslandEIN 47-6028912 · 990 ↗—donors undisclosed
Nebraska Association Of Resources DistrictsLincolnEIN 47-0549185 · 990 ↗—donors undisclosed
Columbus Area Chamber Of Commerce IncColumbusEIN 47-0130240 · 990 ↗—donors undisclosed
Omaha Area Board Of RealtorsOmahaEIN 47-0259650 · 990 ↗—donors undisclosed
Merrick County Development CorpCentral CityEIN 47-0772569 · 990 ↗—donors undisclosed
Hall County Convention And Visitors Bureau IncGrand IslandEIN 20-0075114 · 990 ↗—donors undisclosed
Nebraska Chapter Associated General Contractors Of America IncLincolnEIN 47-0095150 · 990 ↗—donors undisclosed
Associated Builders & Contractors IncLincolnEIN 47-0557980 · 990 ↗—donors undisclosed
Golf Course Builders Of AmericaLincolnEIN 23-7121106 · 990 ↗—donors undisclosed
Nebraska Cooperative CouncilLincolnEIN 47-0352001 · 990 ↗—donors undisclosed

Listing in the IRS 501(c)(4)/(c)(6) tables means only that the organization is registered under that tax status; NADC cross-references indicate where the organization also filed campaign or lobbying reports with the NADC.