Clients

Following is a partial list of clients HDA has worked with through the years.  Our client base includes a variety of industrial and business interests, from the chemical and refining industry to accountants and medical associations.

  • 8 Rivers
  • ALCOA
  • All Temp
  • Allergan
  • American Chemistry Council
  • American Petroleum Institute
  • American Resort Development Association
  • Anheuser-Busch Companies
  • AstraZeneca
  • Axiall
  • BASF Corporation
  • Blueprint Louisiana
  • Boardwalk Pipeline
  • Bossier Chamber of Commerce
  • Central Crude
  • CF Industries
  • Chlorine Institute
  • Churchill Downs
  • CITGO
  • Coalition for a Competitive Louisiana
  • Coalition for Common Sense
  • Coalition to Insure Louisiana
  • Coastal Conservation Association
  • Colonial Pipeline
  • Cornerstone Chemical Company
  • Crompton
  • Degussa
  • Denbury Resources
  • Denka Performance Elastomer
  • Dow
  • Driving Louisiana Forward
  • Dupont
  • Ecolab
  • Encana
  • Eurochem
  • ExxonMobil
  • Fair Grounds Race Course
  • Flint Hills Resources
  • Global Environmental Solutions, Inc.
  • Golden Pass LNG
  • Google
  • Greenwich Pharmaceuticals Inc.
  • Gulf South Pipeline
  • Hilcorp
  • Honeywell
  • Impala Warehousing, LLC
  • Independent Insurance Agents & Brokers of Louisiana
  • Industries of Southeast Texas
  • Ingersoll Rand
  • John D. & Catherine T. MacArthur Foundation
  • Justice Policy Institute
  • Kinder Morgan
  • Koch Industries, Inc.
  • Krantz Racing Ventures
  • Kutchins & Groh, LLC
  • Leigh Fisher Associates
  • Louisiana Ammonia Producers
  • Louisiana Apartment Association
  • Louisiana Associated General Contractors
  • Louisiana Chemical Association
  • Louisiana Offshore Oil Port
  • Louisiana Mid-Continent Oil and Gas Association
  • Louisiana Oil & Gas Association
  • Louisiana Realtors Association
  • Louisiana State Medical Society
  • Louisiana Tank
  • Lyondell/Equistar
  • M+R Strategic Services
  • Marathon Petroleum
  • Methanex
  • Molina
  • Mosaic Phosphates
  • Motiva
  • Nalco Company
  • Nitrogen H2
  • Novartis
  • Ochsner Health Systems
  • Olin Corporation
  • Omega Protein
  • OxyChem Partners for Environmental Progress
  • PCS Nitrogen
  • Pennington Biomedical Research Foundation
  • Petrologistics
  • Pharmaceutical Research & Manufacturers of America
  • Pilot Users Group of Louisiana
  • Port Industries of Corpus Christi
  • Port of New Orleans
  • Potash Corporation
  • Ranger Gas Storage
  • Refinery Terminal Fire Company
  • Resource Environmental Solutions
  • Sabine Neches Navigation District
  • Sasol
  • Shell
  • Shintech
  • Society of Louisiana CPAs
  • Solvay America
  • Syngenta
  • The Chlorine Institute
  • The Forum
  • The Williams Companies
  • Total
  • Vinyl Institute
  • Westlake Chemical Corporation
  • Williams Energy Services