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Interior, Dept of (DOI)

4,642 lobbying filings named this agency, 2025 to 2026. Those filers reported $763,812,616.26 of lobbying spend in total, across all the work each filing covers.

An LD-2 reports one money figure for the whole filing, covering every part of government it named. The dollar amounts here are the spend of filings that named Interior, Dept of (DOI), not money spent lobbying it. Money counts the latest version of each filing only; filing counts include ones a later amendment restated.

 Issues raised
  1. Natural Resources 1,918 filings that named this body and this issue
  2. Budget/Appropriations 1,495 filings that named this body and this issue
  3. Energy/Nuclear 1,191 filings that named this body and this issue
  4. Indian/Native American Affairs 935 filings that named this body and this issue
  5. Taxation/Internal Revenue Code 874 filings that named this body and this issue
  6. Environment/Superfund 803 filings that named this body and this issue
  7. Transportation 621 filings that named this body and this issue
  8. Trade (domestic/foreign) 510 filings that named this body and this issue
  9. Agriculture 482 filings that named this body and this issue
  10. Defense 429 filings that named this body and this issue
  11. Clean Air and Water (quality) 419 filings that named this body and this issue
  12. Labor Issues/Antitrust/Workplace 287 filings that named this body and this issue
  13. Real Estate/Land Use/Conservation 266 filings that named this body and this issue
  14. Government Issues 251 filings that named this body and this issue
  15. Homeland Security 216 filings that named this body and this issue
 Filings by year
  • 2025 2,915 $481,757,848.19
  • 2026 1,727 $282,054,768.07

Bar length is filings that year against the busiest year. A year is the filing year, not the date lobbying happened.

 Clients lobbying here
  1. CHAMBER OF COMMERCE OF THE U.S.A. $106,990,000.00 6 filings
  2. NATIONAL ASSOCIATION OF REALTORS $68,070,000.00 5 filings
  3. AMAZON.COM SERVICES LLC $26,520,000.00 6 filings
  4. BUSINESS ROUNDTABLE INC $24,410,000.00 3 filings
  5. GENERAL DYNAMICS CORP $20,254,357.00 6 filings
  6. OCCIDENTAL PETROLEUM CORPORATION $15,470,000.00 6 filings
  7. MICROSOFT CORPORATION $14,440,000.00 6 filings
  8. EXXON MOBIL CORP $13,750,000.00 6 filings
  9. BAYER CORPORATION (CONSOLIDATED REPORT) $13,060,000.00 6 filings
  10. NEXTERA ENERGY INC $12,881,160.00 6 filings
  11. PACIFIC GAS AND ELECTRIC COMPANY $12,610,000.00 5 filings
  12. AMERICAN PETROLEUM INSTITUTE $12,520,000.00 6 filings
  13. CHEVRON U.S.A. INC. $11,260,000.00 6 filings
  14. NATIONAL ASSOCIATION OF MANUFACTURERS $10,372,000.00 5 filings
  15. CONOCOPHILLIPS $10,290,000.00 10 filings
 Firms filing on their behalf
  1. CHAMBER OF COMMERCE OF THE U.S.A. $106,990,000.00 6 filings
  2. NATIONAL ASSOCIATION OF REALTORS $68,070,000.00 5 filings
  3. AMAZON.COM SERVICES LLC $26,520,000.00 6 filings
  4. THE BUSINESS ROUNDTABLE, INC. $24,410,000.00 3 filings
  5. GENERAL DYNAMICS CORP $20,254,357.00 6 filings
  6. OCCIDENTAL PETROLEUM CORPORATION $15,470,000.00 6 filings
  7. MICROSOFT CORPORATION $14,440,000.00 6 filings
  8. EXXON MOBIL CORP $13,750,000.00 6 filings
  9. BAYER CORPORATION (CONSOLIDATED REPORT) $13,060,000.00 6 filings
  10. NEXTERA ENERGY, INC. $12,881,160.00 6 filings
  11. PACIFIC GAS AND ELECTRIC COMPANY $12,610,000.00 5 filings
  12. AMERICAN PETROLEUM INSTITUTE $12,520,000.00 6 filings
  13. CHEVRON U.S.A. INC. $11,260,000.00 6 filings
  14. NATIONAL ASSOCIATION OF MANUFACTURERS $10,372,000.00 5 filings
  15. DUKE ENERGY CORPORATION $10,260,000.00 5 filings

Client and firm names are the filers' own text, not deduplicated: one company can appear under several spellings.

 Bills these filings cite most 12
  • HR 1
    397 filings · An act to provide for reconciliation pursuant to title II of H. Con. Res. 14.
  • HR 4776
    185 filings · SPEED Act
  • HR 471
    132 filings · Fix Our Forests Act
  • HR 4754
    132 filings · Department of the Interior, Environment, and Related Agencies Appropriations Act, 2026
  • S 2431
    121 filings · Department of the Interior, Environment, and Related Agencies Appropriations Act, 2026
  • HR 3898
    110 filings · PERMIT Act
  • HR 1
    108 filings · Lower Energy Costs Act
  • S 1462
    108 filings · Fix Our Forests Act
  • HR 1968
    103 filings · Full-Year Continuing Appropriations and Extensions Act, 2025
  • HCONRES 14
    90 filings · Establishing the congressional budget for the United States Government for fiscal year 20…
  • HR 1897
    89 filings · ESA Amendments Act of 2025
  • S 2296
    77 filings · National Defense Authorization Act for Fiscal Year 2026

Bills are parsed from the filings' own activity descriptions, so this is what lobbyists wrote down, not a record of contact with this body about that bill.

 Filings that named it 4,642
3T
MR. THOMAS R. H. GLASS for BOWEN LODGE
3rd Quarter (July 1 - Sep 30) 2026 · Minnesota · posted Sep 16, 2026
View → Q3
THE DLM GROUP for ATADA
3rd Quarter (July 1 - Sep 30) 2026 · New Mexico · $6,000.00 income · posted Sep 15, 2026
View → Q2
CAPITOL CONSULTANTS LLC for EASTERN NEW MEXICO RURAL WATER AUTHORITY
2nd Quarter (Apr 1 - June 30) 2026 · New Mexico · $20,000.00 income · posted Sep 4, 2026
View → Q2
EDNEXUS ADVISORS, LLC for GREEN OCEANS
2nd Quarter (Apr 1 - June 30) 2026 · Rhode Island · $22,500.00 income · posted Sep 3, 2026
View → 2A
HALL ESTILL HARDWICK GABLE GOLDEN & NELSON for SAN PASQUAL BAND OF MISSION INDIANS
2nd Quarter (Apr 1 - June 30) 2026 · California · posted Sep 1, 2026
View → 2A
HALL ESTILL HARDWICK GABLE GOLDEN & NELSON for HOOPA VALLEY TRIBE
2nd Quarter (Apr 1 - June 30) 2026 · California · posted Sep 1, 2026
View → 1A
BAYER CORPORATION (CONSOLIDATED REPORT) for BAYER CORPORATION (CONSOLIDATED REPORT)
1st Quarter (Jan 1 - Mar 31) 2026 · District of Columbia · $2,040,000.00 expenses · posted Aug 31, 2026
View → 4A
BAYER CORPORATION (CONSOLIDATED REPORT) for BAYER CORPORATION (CONSOLIDATED REPORT)
4th Quarter (Oct 1 - Dec 31) 2025 · District of Columbia · $1,760,000.00 expenses · posted Aug 31, 2026
View → 2A
CLEAN ENERGY BUYERS ASSOCIATION (FORMERLY RENEWABLE ENERGY BUYERS ALLIANCE) for CLEAN ENERGY BUYERS ASSOCIATION (FORMERLY RENEWABLE ENERGY BUYERS ALLIANCE)
2nd Quarter (Apr 1 - June 30) 2026 · District of Columbia · $200,000.00 expenses · posted Aug 31, 2026
View → 1A
CLEAN ENERGY BUYERS ASSOCIATION (FORMERLY RENEWABLE ENERGY BUYERS ALLIANCE) for CLEAN ENERGY BUYERS ASSOCIATION (FORMERLY RENEWABLE ENERGY BUYERS ALLIANCE)
1st Quarter (Jan 1 - Mar 31) 2026 · District of Columbia · $210,000.00 expenses · posted Aug 31, 2026
View → 1A
CLEAN ENERGY BUYERS ASSOCIATION (FORMERLY RENEWABLE ENERGY BUYERS ALLIANCE) for CLEAN ENERGY BUYERS ASSOCIATION (FORMERLY RENEWABLE ENERGY BUYERS ALLIANCE)
1st Quarter (Jan 1 - Mar 31) 2025 · District of Columbia · $150,000.00 expenses · posted Aug 31, 2026
View → Q2
RAILS-TO-TRAILS CONSERVANCY for RAILS-TO-TRAILS CONSERVANCY
2nd Quarter (Apr 1 - June 30) 2026 · District of Columbia · $64,426.00 income · posted Aug 28, 2026
View → Q2
FREEMYER & ASSOCIATES P.C. for TROUT, RALEY, P.C. ON BEHALF OF NORTHERN COLORADO WATER CONSERVANCY DISTRICT
2nd Quarter (Apr 1 - June 30) 2026 · $10,000.00 income · posted Aug 22, 2026
View → 3T
SHW PARTNERS LLC for MESABI METALLICS COMPANY LLC
3rd Quarter (July 1 - Sep 30) 2026 · Minnesota · posted Aug 18, 2026
View → 4A
AMERICAN WILD HORSE CAMPAIGN for AMERICAN WILD HORSE CAMPAIGN
4th Quarter (Oct 1 - Dec 31) 2025 · California · $55,000.00 expenses · posted Aug 17, 2026
View → Q2
SUSAN STOHR for TRINITY PUBLIC UTILITIES DISTRICT
2nd Quarter (Apr 1 - June 30) 2026 · California · $15,000.00 income · posted Aug 17, 2026
View → Q2
SIERRA PACIFIC STRATEGIES for KLAMATH IRRIGATION DISTRICT
2nd Quarter (Apr 1 - June 30) 2026 · Oregon · posted Aug 13, 2026
View → Q2
TUELL LAW, P.C. for OWENS VALLEY INDIAN WATER COMMISSION
2nd Quarter (Apr 1 - June 30) 2026 · California · $24,000.00 income · posted Aug 13, 2026
View → Q2
ATLAS ADVOCACY for STATE OF RHODE ISLAND
2nd Quarter (Apr 1 - June 30) 2026 · Rhode Island · $36,000.00 income · posted Aug 12, 2026
View → Q1
ATLAS ADVOCACY for STATE OF RHODE ISLAND
1st Quarter (Jan 1 - Mar 31) 2026 · Rhode Island · $36,000.00 income · posted Aug 12, 2026
View → Q2
THE FERGUSON GROUP, LLC for EAGLE RIVER WATER & SANITATION DISTRICT
2nd Quarter (Apr 1 - June 30) 2026 · Colorado · posted Aug 12, 2026
View → Q2
THE FERGUSON GROUP, LLC for IDAHO WATER RESOURCE BOARD
2nd Quarter (Apr 1 - June 30) 2026 · Idaho · $20,000.00 income · posted Aug 12, 2026
View → Q2
MS. BARBARA ROHDE for WHITE EARTH TRIBAL NATION
2nd Quarter (Apr 1 - June 30) 2026 · District of Columbia · $30,000.00 income · posted Aug 12, 2026
View → Q2
MR. IAN FERGUSON for IVARR GROUP
2nd Quarter (Apr 1 - June 30) 2026 · Massachusetts · posted Aug 12, 2026
View → 4A
AMERICAN WILD HORSE CAMPAIGN for AMERICAN WILD HORSE CAMPAIGN
4th Quarter (Oct 1 - Dec 31) 2025 · California · $55,000.00 expenses · Amended later · posted Aug 10, 2026
View →
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Source: federal Lobbying Disclosure Act filings. "Interior, Dept of (DOI)" is the filers' own entry from the LDA's list of government bodies. Rollups on this page refresh every six hours.

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