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Latest 2026 Lobbyist Registration

 

Lobbyist's Name: MR. DAVID MICHAEL GAINES

Name Change:

Address: 521 LAUREL ST
BATON ROUGE, LOUISIANA 70801

Phone: 504-908-4673

Fax:

 12/3/2025: Lobbyist updated: (Address: 425 ATHERTON DRIVE, METAIRIE, Louisiana 70005)




Employer Information

Employer Name: HARRIS, DEVILLE & ASSOCIATES

Employer Address: 521 LAUREL STREET
BATON ROUGE, LOUISIANA 70801




Registration Details

Lobbying Type: Executive Branch Lobbying
  Date of the first action which required your registration as a lobbyist: 1/1/2026  
  (The date in which lobbying became part of your principal duties or the date in which you acted in a representative capacity and made and expenditure on a Legislator.)
  If you were an executive branch lobbyist during the previous calendar year, have you completed the annual ethics training required pursuant to R.S. 42:1170 for the previous calendar year? Yes
  Date Registration Submitted: 12/3/2025 View Original Registration Form  
  Dates Registered: 1/1/2026  - 12/31/2026  

Lobbying Type: Legislative Branch Lobbying
  Date of the first action which required your registration as a lobbyist: 1/1/2026  
  (The date in which you acted in a representative capacity and made an expenditure on an executive branch official.)
  If you were a legislative lobbyist during the previous calendar year, have you completed the annual ethics training required pursuant to R.S. 42:1170 for the previous calendar year? Yes
  Date Registration Submitted: 12/3/2025 View Original Registration Form  
  Dates Registered: 1/1/2026  - 12/31/2026  

Lobbying Type: Local Government Lobbying
  Date of the first action which required your registration as a lobbyist: 1/1/2026  
  (The date in which you, acted in a representative capacity, made an aggregate amount of expenditures of $500 or more, on local level officials.)
  Date Registration Submitted: 12/3/2025 View Original Registration Form  
  Dates Registered: 1/1/2026  - 12/31/2026  


Information about Persons, Groups, or Organizations Represented:
Name: Ochsner Health
 
Description:  Health care
 
Address:  1514 JEFFERSON HIGHWAY
NEW ORLEANS, LOUISIANA 70121
  Branch: Legislative / Executive     Employment Start Date: 2/13/2025
  Lobbying Dates: 2/13/2025  -
  Paid by Representation: Yes   Payment Category: $50,000 - $99,999
  If No, who pays you:
  Subject Matters:
   
 Health care; hospitals; nursing homes; elderly care; hospice
 Health care; physicians; nurse practitioners; nurses
 
   
Name: Anheuser-Busch
 
Description:  Industry
 
Address:  ONE BUSCH PLACE
ST.LOUIS, MISSOURI 63118
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Alcohol and other beverages
 
   
Name: Boardwalk Pipeline
 
Description:  Pipelines
 
Address:  9 GREENWAY PLAZA, SUITE 2800
HOUSTON, TEXAS 77046
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: CF Industries
 
Description:  Industry
 
Address:  P.O. BOX 468
DONALDSONVILLE, LOUISIANA 70346
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Cornerstone Chemical
 
Description:  Industry
 
Address:  10800 RIVER ROAD
WESTWEGO, LOUISIANA 70094
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Ecolab
 
Description:  Industrial
 
Address:  1 ECOLAB PLACE
ST. PAUL, MINNESOTA 55102
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $50,000 - $99,999
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Greater Bossier Economic Development Foundation
 
Description:  Economic Development
 
Address:  710 BENTON ROAD, SUITE A
BOSSIER CITY , LOUISIANA 71111
  Branch: Legislative     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Business and private and commercial enterprises
 
   
Name: Solstice Geismar
 
Description:  Industry
 
Address:  5525 HIGHWAY 3115
CARVILLE, LOUISIANA 70721
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
 3/23/2026: Lobbyist updated: (Rep. Name: Honeywell Geismar )
   
Name: Lotte Chemical USA Corp
 
Description:  Industry
 
Address:  220 BAYOU D'INDE PASS
WESTLAKE, LOUISIANA 70669
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Louisiana Chemical Association
 
Description:  Industry
 
Address:  ONE AMERICA PLACE
BATON ROUGE, LOUISIANA 70825
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Louisiana Realtors Association (LRA)
 
Description:  Realty
 
Address:  4639 BENNINGTON AVENUE
BATON ROUGE, LOUISIANA 70808
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Construction, contracting, and real estate
 
   
Name: Mosaic Fertilizer, LLC
 
Description:  Industry
 
Address:  9959 HIGHWAY 18
ST. JAMES, LOUISIANA 70086
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Nova Chemicals
 
Description:  Industry
 
Address:  1555 CORAPOLIS HEIGHTS ROAD
MOON TOWNSHIP, PENNSYLVANIA 15108
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Omega Protein Inc.
 
Description:  Fisheries
 
Address:  2101 CITY WEST BLVD.
HOUSTON, TEXAS 77042
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Aquaculture and fisheries
 
   
Name: Sasol North America Inc.
 
Description:  Industry
 
Address:  P.O. BOX 727
WESTLAKE, LOUISIANA 70669
  Branch: Legislative / Executive     Employment Start Date: 3/20/2025
  Lobbying Dates: 3/20/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Valero Services Inc
 
Description:  Industry
 
Address:  1 VALERO WAY
SAN ANTONIO, TEXAS 78249
  Branch: Legislative / Executive     Employment Start Date: 3/26/2025
  Lobbying Dates: 3/26/2025  - 5/31/2026
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
 5/11/2026: Lobbyist updated: (Employment Start: 03/26/2025, Lobbying Dates: 03/26/2025 - )
   
Name: Gulf South Pipeline Company, LP
 
Description:  Industry
 
Address:  20 E. GREENWAY PLAZA
HOUSTON, TEXAS 77046
  Branch: Legislative / Executive     Employment Start Date: 3/26/2025
  Lobbying Dates: 3/26/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Petrologistics, LLC
 
Description:  Industry
 
Address:  4460 BLUEBONNET BLVD, SUITE B
BATON ROUGE, LOUISIANA 70809
  Branch: Legislative / Executive     Employment Start Date: 3/26/2025
  Lobbying Dates: 3/26/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Pennington Biomedical Research Foundation
 
Description:  Medical Research
 
Address:  6400 PERKINS ROAD
BATON ROUGE, LOUISIANA 70808
  Branch: Legislative / Executive     Employment Start Date: 3/26/2025
  Lobbying Dates: 3/26/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Health care; pharmaceutical and medical devices; research; development; sales
 
   
Name: Solstice Advanced Materials
 
Description:  Industry
 
Address:  2966 LUPINE AVENUE
BATON ROUGE, LOUISIANA 70805
  Branch: Legislative / Executive     Employment Start Date: 3/26/2025
  Lobbying Dates: 3/26/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
 3/23/2026: Lobbyist updated: (Rep. Name: Honeywell Specialty Chemicals )
   
Name: Koch Government Affairs, LLC
 
Description:  Industry
 
Address:  4111 E. 37TH STREET, N.
WICHITA , KANSAS 67220
  Branch: Legislative / Executive     Employment Start Date: 3/26/2025
  Lobbying Dates: 3/26/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
   
Name: Churchill Downs
 
Description:  Gaming
 
Address:  700 CENTRAL AVENUE
LOUISVILLE, KENTUCKY 40208
  Branch: Legislative / Executive     Employment Start Date: 3/26/2025
  Lobbying Dates: 3/26/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Gaming
 
   
Name: Lincoln Parish Police Jury
 
Description:  Local civic issues
 
Address:  PO BOX 979
RUSTON, LOUISIANA 71273
  Branch: Legislative / Executive     Employment Start Date: 4/11/2025
  Lobbying Dates: 4/11/2025  -
  Paid by Representation: Yes   Payment Category: $25,000 - $49,999
  If No, who pays you:
  Subject Matters:
   
 Government; local; municipal; parish; state; federal
 
   
Name: Capital City Press
 
Description:  Media/Public Information
 
Address:  PO BOX 588
BATON ROUGE, LOUISIANA 70821
  Branch: Legislative / Executive     Employment Start Date: 4/21/2025
  Lobbying Dates: 4/21/2025  -
  Paid by Representation: Yes   Payment Category: $25,000 - $49,999
  If No, who pays you:
  Subject Matters:
   
 Business and private and commercial enterprises
 
   
Name: Unite America
 
Description:  Philanthropic venture fund that invests in nonpartisan election reform to foster a more representative and functional government.
 
Address:  1660 LINCOLN ST. STE 1550
DENVER, COLORADO 80264
  Branch: Legislative     Employment Start Date: 10/23/2025
  Lobbying Dates: 10/23/2025  - 5/29/2026
  Paid by Representation: Yes   Payment Category: $50,000 - $99,999
  If No, who pays you:
  Subject Matters:
   
 Government; local; municipal; parish; state; federal
 
 5/11/2026: Lobbyist updated: (Employment Start: 10/23/2025, Lobbying Dates: 10/23/2025 - )
   
Name: Louisiana Health Services & Indemnity Company d/b/a Blue Cross and Blue Shield of Louisiana
Representation added on: 12/22/2025
 
Description:  Health and Life Insurance
 
Address:  5525 REITZ AVENUE
BATON ROUGE, LOUISIANA 70809
  Branch: Legislative / Executive / Local     Employment Start Date: 12/22/2025
  Lobbying Dates: 12/22/2025  -
  Paid by Representation: Yes   Payment Category: $50,000 - $99,999
  If No, who pays you:
  Subject Matters:
   
 Insurance
 
 12/22/2025: Added Subject Matter: Insurance
   
Name: UBE C1 Chemicals America
Representation added on: 12/22/2025
 
Description:  Chemical manufacturing and marketing company
 
Address:  10800 RIVER ROAD
WAGGAMAN, LOUISIANA 70094
  Branch: Legislative / Executive / Local     Employment Start Date: 12/22/2025
  Lobbying Dates: 12/22/2025  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
 12/22/2025: Added Subject Matter: Manufacturing; oil and gas; mining; refining; production; chemical industry
   
Name: ExxonMobil Corporation
Representation added on: 2/13/2026
 
Description:  Oil and gas
 
Address:  PO BOX 367
BATON ROUGE, LOUISIANA 70821
  Branch: Legislative / Executive / Local     Employment Start Date: 3/9/2026
  Lobbying Dates: 3/9/2026  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
 2/13/2026: Added Subject Matter: Manufacturing; oil and gas; mining; refining; production; chemical industry
   
Name: Business Council New Orleans
Representation added on: 3/4/2026
 
Description:  Economic Development
 
Address:  PO BOX 57794
NEW ORLEANS, LOUISIANA 70157
  Branch: Legislative / Executive / Local     Employment Start Date: 3/4/2026
  Lobbying Dates: 3/4/2026  -
  Paid by Representation: Yes   Payment Category: $100,000 - $249,999
  If No, who pays you:
  Subject Matters:
   
 Business and private and commercial enterprises
 
 3/4/2026: Lobbyist updated: (Paid by Representation: Yes, Payment Category: $24,999 or less)
 3/4/2026: Added Subject Matter: Business and private and commercial enterprises
   
Name: OnStream CO2, LLC
Representation added on: 3/24/2026
 
Description:  Industry (chemicals and pipelines)
 
Address:  333 CLAY STREET, SUITE 2900
HOUSTON, TEXAS 77002
  Branch: Legislative / Executive / Local     Employment Start Date: 3/24/2026
  Lobbying Dates: 3/24/2026  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
 3/24/2026: Added Subject Matter: Manufacturing; oil and gas; mining; refining; production; chemical industry
   
Name: Atalco Alumina
Representation added on: 6/10/2026
 
Description:  Manufacturing Industry
 
Address:  II RIVERMARK CENTRE-450 LAUREL STREET, 21ST FLOOR
BATON ROUGE, LOUISIANA 70801
  Branch: Legislative / Executive / Local     Employment Start Date: 6/10/2026
  Lobbying Dates: 6/10/2026  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Manufacturing; oil and gas; mining; refining; production; chemical industry
 
 6/10/2026: Added Subject Matter: Manufacturing; oil and gas; mining; refining; production; chemical industry
   
Name: City of Minden
Representation added on: 8/20/2026
 
Description:  Local government
 
Address:  520 BROADWAY STREET
MINDEN, LOUISIANA 71055
  Branch: Legislative / Executive / Local     Employment Start Date: 8/20/2026
  Lobbying Dates: 8/20/2026  -
  Paid by Representation: Yes   Payment Category: $24,999 or less
  If No, who pays you:
  Subject Matters:
   
 Government; local; municipal; parish; state; federal
 
 8/20/2026: Added Subject Matter: Government; local; municipal; parish; state; federal
   

Information about Business Relationships:

Not Applicable


 
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Available Lobbying Charts
Registered Lobbyists by Year and Branch : Shows the total number of individuals registered to lobby in Louisiana.
Reported Lobbying Expenditures by Month and Branch Lobbied : Shows the total amount of lobbying expenditures reported by registered Louisiana lobbyists. The chart shows totals by month for a calendar year and gives the option of which year and branch(es) to display.
Reported Subject Matters Lobbied by Month and Branch : Shows the total number of registered lobbyists reporting to have lobbied about a particular subject matter in a given month. The chart gives options to select the month and branch to display.