46 Largest Companies in Louisiana

Louisiana, a state located in the southern United States, is renowned for its rich cultural heritage, unique Creole and Cajun cuisine, vibrant music scene, and diverse natural landscapes.

From the bustling city of New Orleans with its iconic jazz music and historic French Quarter, to the tranquil bayous and swamps that are home to a variety of wildlife, Louisiana offers a blend of history, culture, and natural beauty.

When it comes to economy, Louisiana is home to several major companies that play a significant role in the state’s economic growth.

With industries ranging from energy and petrochemicals to healthcare and technology, Louisiana is home to some of the largest companies in the nation.

Largest Companies in Louisiana 1 (1)

1. CenturyLink, Inc.

Background: CenturyLink, Inc. is a telecommunications company headquartered in Monroe, Louisiana, providing internet, phone, and TV services.

Core Industries: Offers a wide range of communication and IT services to residential, business, and government customers.

Achievements: Known for its extensive network infrastructure and commitment to delivering reliable connectivity solutions.

2. Entergy Corporation

Background: Entergy Corporation is an energy company based in New Orleans, Louisiana, engaged in electric power production and distribution.

Core Industries: Provides electricity to millions of customers across multiple states, with a focus on safety, reliability, and affordability.

Achievements: Recognized for its efforts in promoting clean energy initiatives and supporting local communities.

3. Ochsner Health System

Background: Ochsner Health System is a non-profit healthcare provider headquartered in New Orleans, Louisiana, with hospitals and clinics across the state.

Core Industries: Offers comprehensive medical services, including primary care, specialty care, and research, to patients of all ages.

Achievements: Known for its high-quality patient care, medical innovation, and community outreach programs.

4. Shaw Group

Background: The Shaw Group was a global engineering and construction company founded in Baton Rouge, Louisiana, which is now part of McDermott International.

Core Industries: Provided engineering, procurement, and construction services to clients in the energy, chemical, and infrastructure sectors.

Achievements: Played a significant role in major construction projects worldwide, contributing to economic development and infrastructure growth.

5. Laitram, LLC

Background: Laitram, LLC is a manufacturing company headquartered in Harahan, Louisiana, specializing in conveyor systems and seafood processing equipment.

Core Industries: Designs and manufactures innovative products for industrial and commercial applications, with a focus on efficiency and quality.

Achievements: Known for its engineering expertise and patented technologies that improve productivity and sustainability in various industries.

6. Pool Corporation

Background: Pool Corporation, based in Covington, Louisiana, is the world’s largest wholesale distributor of swimming pool supplies, equipment, and related leisure products.

Core Industries: Supplies a wide range of products to residential and commercial pool builders, retailers, and service companies.

Achievements: Known for its extensive product selection, efficient distribution network, and customer-focused service.

7. H&E Equipment Services, Inc.

Background: H&E Equipment Services, Inc., headquartered in Baton Rouge, Louisiana, is one of the largest integrated equipment services companies in the United States.

Core Industries: Offers rental, sales, parts, and service for heavy construction and industrial equipment.

Achievements: Provides comprehensive equipment solutions and support to customers in various industries, including construction, infrastructure, and manufacturing.

8. Smoothie King Franchises, Inc.

Background: Smoothie King Franchises, Inc., founded in Kenner, Louisiana, is a global smoothie franchise company offering nutritious smoothies and healthy snacks.

Core Industries: Operates a franchise system with over 1,000 locations worldwide, serving a variety of smoothie options tailored to health-conscious consumers.

Achievements: Known for its commitment to health and wellness, providing convenient and delicious options for customers seeking nutritious alternatives.

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9. McIlhenny Company

Background: McIlhenny Company, based on Avery Island, Louisiana, is a family-owned business known for producing Tabasco brand pepper sauce.

Core Industries: Manufactures and distributes Tabasco sauce and related products to consumers worldwide.

Achievements: Recognized for its iconic brand and commitment to quality, with Tabasco sauce being a staple condiment in kitchens around the globe.

10. Waitr Holdings Inc.

Background: Waitr Holdings Inc., headquartered in Lafayette, Louisiana, is a technology-driven food delivery service operating in small and mid-sized markets.

Core Industries: Provides on-demand food delivery from local restaurants through its mobile app and online platform.

Achievements: Facilitates convenient and efficient food delivery options for customers and supports local restaurants in expanding their reach and customer base.

11. Tidewater Inc.

Background: Tidewater Inc., based in New Orleans, Louisiana, is a leading provider of offshore service vessels to the global energy industry.

Core Industries: Offers marine support services, including towing, anchor handling, and supply vessels for offshore oil and gas exploration and production.

Achievements: Known for its extensive fleet and expertise in providing safe and reliable marine transportation solutions in challenging offshore environments.

12. IberiaBank Corporation

Background: IberiaBank Corporation, originally based in Lafayette, Louisiana, was a financial holding company offering banking and financial services, now part of First Horizon Corporation.

Core Industries: Provided a range of banking, lending, and wealth management services to individuals, businesses, and institutions.

Achievements: Recognized for its personalized banking solutions and commitment to building strong relationships with customers and communities.

13. Lamar Advertising Company

Background: Lamar Advertising Company, headquartered in Baton Rouge, Louisiana, is one of the largest outdoor advertising companies in the United States.

Core Industries: Owns and operates outdoor advertising displays, including billboards, digital displays, and transit advertising.

Achievements: Known for its extensive network of advertising displays and innovative campaigns that reach millions of consumers daily.

14. Harrah’s New Orleans Casino & Hotel

Background: Harrah’s New Orleans Casino & Hotel, located in New Orleans, Louisiana, is a premier casino and entertainment destination owned by Caesars Entertainment.

Core Industries: Offers a wide range of gaming options, dining experiences, and entertainment events for guests.

Achievements: Recognized for its vibrant atmosphere, luxury accommodations, and world-class gaming facilities, attracting visitors from around the globe.

15. Hornbeck Offshore Services, Inc.

Background: Hornbeck Offshore Services, Inc., based in Covington, Louisiana, is a leading provider of offshore marine transportation services to the oil and gas industry.

Core Industries: Operates a fleet of vessels for offshore supply, towing, and accommodation support services.

Achievements: Known for its modern fleet and experienced crew, providing efficient and reliable marine solutions in offshore operations.

16. Whitney Bank

Background: Whitney Bank, originally headquartered in New Orleans.

Louisiana was a regional bank serving the Gulf South region before merging with Hancock Bank to form Hancock Whitney Corporation.

Core Industries: Offered banking, lending, and financial services to individuals, businesses, and communities.

Achievements: Recognized for its personalized banking solutions and commitment to supporting local economies and communities through various financial initiatives.

17. LHC Group, Inc.

Background: LHC Group, Inc., based in Lafayette, Louisiana, is a leading provider of in-home healthcare services in the United States.

Core Industries: Offers a range of home health, hospice, and community-based services to patients in need of medical care.

Achievements: Known for its compassionate care, innovative healthcare programs, and commitment to improving patient outcomes and quality of life.

18. The Advocate

Background: The Advocate is a daily newspaper based in Baton Rouge, Louisiana, covering news, sports, and events across the state.

Core Industries: Provides news and information to readers through print and digital platforms, including online articles and e-editions.

Achievements: Recognized for its award-winning journalism, community coverage, and commitment to serving as a trusted source of information for Louisiana residents.

19. Community Coffee Company, L.L.C.

Background: Community Coffee Company, headquartered in Baton Rouge, Louisiana, is a family-owned coffee roaster and distributor.

Core Industries: Roasts and distributes premium coffee products, including ground coffee, single-serve pods, and cold brew.

Achievements: Known for its rich, flavorful blends and commitment to quality, serving coffee lovers across the country for generations.

20. Cajun Operating Company

Background: Cajun Operating Company, headquartered in Atlanta, Georgia, operates the Church’s Chicken fast-food restaurant chain, which originated in Baton Rouge, Louisiana.

Core Industries: Offers fried chicken and side dishes at its fast-food restaurants, serving customers across the United States and in international markets.

Achievements: Known for its Southern-inspired menu, flavorful chicken, and commitment to providing affordable, tasty meals to customers.

21. Blue Cross and Blue Shield of Louisiana

Background: Blue Cross and Blue Shield of Louisiana is a nonprofit health insurance company headquartered in Baton Rouge, Louisiana.

Core Industries: Provides health insurance plans and services to individuals, families, and businesses across the state.

Achievements: Recognized for its commitment to improving healthcare access, affordability, and quality for Louisiana residents.

22. Hibernia Bank

Background: Hibernia Bank was a banking institution based in New Orleans, Louisiana, before being acquired by Capital One Financial Corporation.

Core Industries: Offered a range of banking and financial services, including retail banking, lending, and investment services.

Achievements: Played a significant role in the banking industry in Louisiana, providing banking solutions and financial support to individuals and businesses.

23. Huntington Ingalls Industries

Background: Huntington Ingalls Industries is America’s largest military shipbuilding company, with shipyards in Louisiana, Virginia, and Mississippi.

Core Industries: Designs, builds, and maintains nuclear-powered aircraft carriers and submarines for the U.S. Navy.

Achievements: Known for its expertise in naval shipbuilding and contributions to national defense and maritime security.

24. Smoothie King Center

Background: Smoothie King Center is a multi-purpose sports and entertainment arena located in New Orleans, Louisiana.

Core Industries: Hosts sporting events, concerts, and other entertainment performances for audiences in the New Orleans area.

Achievements: Provides a premier venue for live entertainment and sporting events, contributing to the cultural vibrancy of New Orleans.

25. Touro Infirmary

Background: Touro Infirmary is a nonprofit hospital located in New Orleans, Louisiana, providing comprehensive healthcare services.

Core Industries: Offers medical services, including primary care, specialty care, and surgical procedures, to patients in the New Orleans community.

Achievements: Known for its history of compassionate care, medical excellence, and commitment to serving the healthcare needs of New Orleans residents.

26. Acadian Ambulance Service

Background: Acadian Ambulance Service, headquartered in Lafayette, Louisiana, is one of the largest privately-owned ambulance services in the United States.

Core Industries: Provides emergency medical transportation services, including ambulance and medical flight services, to communities in Louisiana and Texas.

Achievements: Known for its rapid response times, highly trained medical personnel, and commitment to delivering quality patient care.

27. Cox Communications Louisiana, LLC

Background: Cox Communications Louisiana, LLC, based in Baton Rouge, Louisiana, is a subsidiary of Cox Communications, offering cable television, internet, and phone services.

Core Industries: Provides residential and business customers with broadband internet, digital television, and voice services.

Achievements: Recognized for its reliable and high-speed internet connectivity, innovative television features, and quality customer service.

28. LLOG Exploration Company, L.L.C.

Background: LLOG Exploration Company, L.L.C. is an independent oil and gas exploration and production company headquartered in Covington, Louisiana.

Core Industries: Engages in exploration, development, and production of oil and natural gas reserves in the Gulf of Mexico.

Achievements: Known for its successful offshore drilling operations and contributions to domestic energy production.

29. Sempra Energy

Background: Sempra Energy is an energy infrastructure company with operations in Louisiana, California, and Texas, headquartered in San Diego, California.

Core Industries: Engages in the development, operation, and distribution of energy resources, including natural gas, electricity, and renewable energy.

Achievements: Recognized for its commitment to clean energy initiatives, sustainable infrastructure development, and reliable energy services.

30. Strategic Restaurants Acquisition Company LLC

Background: Popeyes Louisiana Kitchen, founded in New Orleans, Louisiana, is a global fast-food restaurant chain known for its Cajun-style fried chicken and seafood.

Core Industries: Operates a network of quick-service restaurants serving a variety of Southern-inspired menu items.

Achievements: Renowned for its flavorful menu offerings, including its signature spicy chicken, and expanding its brand presence worldwide.

31. Alliance Compressors

Background: Alliance Compressors, formerly located in Natchitoches, Louisiana, was a manufacturer of compressors for air conditioning and refrigeration systems, owned by Emerson Electric.

Core Industries: Produced compressors used in various HVAC and refrigeration applications for residential, commercial, and industrial use.

Achievements: Contributed to the advancement of air conditioning and refrigeration technology, providing efficient and reliable compressors to customers worldwide.

32. Foster Farms

Background: Foster Farms was a poultry company with operations in Farmerville, Louisiana, before being acquired by Mar-Jac Poultry.

Core Industries: Engaged in the production and processing of chicken products for retail and foodservice markets.

Achievements: Known for its high-quality poultry products and commitment to food safety and animal welfare standards.

33. Republic National Distributing Company

Background: Republic National Distributing Company, headquartered in New Orleans, Louisiana, is one of the largest wholesale distributors of alcoholic beverages in the United States.

Core Industries: Distributes wine, spirits, and beer to retailers, restaurants, and bars across the country.

Achievements: Plays a vital role in the beverage industry’s supply chain, delivering a wide range of alcoholic beverages to meet consumer demand.

34. Shell Oil Company

Background: Shell Oil Company, a subsidiary of Royal Dutch Shell, operates oil and gas exploration, production, refining, and marketing activities in Louisiana and globally.

Core Industries: Engages in upstream and downstream operations, including oil and gas exploration, refining, and distribution.

Achievements: Contributes to Louisiana’s energy sector and economy through its oil and gas activities, supporting jobs and infrastructure development.

35. Amerisafe, Inc.

Background: Amerisafe, Inc. is a specialty provider of workers’ compensation insurance headquartered in DeRidder, Louisiana.

Core Industries: Offers workers’ compensation insurance solutions tailored to high-risk industries, such as construction, manufacturing, and healthcare.

Achievements: Recognized for its expertise in underwriting and claims management, providing financial protection and support to businesses and workers.

36. Piccadilly Restaurants LLC

Background: Piccadilly Restaurants LLC is a chain of cafeteria-style restaurants founded in Baton Rouge, Louisiana, offering Southern-style comfort food.

Core Industries: Operates restaurants serving a variety of traditional Southern dishes, including fried chicken, meatloaf, and vegetables.

Achievements: Known for its homestyle cooking, affordable prices, and family-friendly dining atmosphere, serving generations of customers since its establishment.

37. PotashCorp

Background: PotashCorp, formerly with operations in Geismar, Louisiana, was a leading fertilizer company before merging with Agrium to form Nutrien.

Core Industries: Produced and distributed fertilizers, including potash, nitrogen, and phosphate-based products, to agricultural markets worldwide.

Achievements: Played a significant role in global agriculture, providing essential nutrients for crop production and food security.

38. Loop LLC

Background: Loop LLC is a plastic recycling company headquartered in Geismar, Louisiana, specializing in the production of sustainable plastic resins.

Core Industries: Recycles post-consumer plastic waste into high-quality resin pellets for use in manufacturing new plastic products.

Achievements: Contributes to environmental sustainability by diverting plastic waste from landfills and promoting the circular economy through plastic recycling initiatives.

39. L’Auberge Casino & Hotel Baton Rouge

Background: L’Auberge Casino & Hotel Baton Rouge is a hotel and casino complex located in Baton Rouge, Louisiana, owned and operated by Penn National Gaming.

Core Industries: Offers casino gaming, hotel accommodations, dining, and entertainment options for guests in the Baton Rouge area.

Achievements: Provides a premier destination for gaming and leisure activities, contributing to the local economy and tourism industry in Baton Rouge.

40. Amedisys, Inc.

Background: Amedisys, Inc., headquartered in Baton Rouge, Louisiana, is a leading provider of home healthcare services in the United States.

Core Industries: Delivers home health, hospice, and personal care services to patients in the comfort of their homes.

Achievements: Known for its compassionate care, clinical excellence, and innovative healthcare solutions, improving the quality of life for patients and their families.

41. Superdome

Background: The Superdome, officially known as the Mercedes-Benz Superdome, is a multi-purpose stadium located in New Orleans, Louisiana.

Core Industries: Hosts a variety of events, including professional football games, concerts, and conventions, serving as a major entertainment venue in the region.

Achievements: Renowned for its iconic architecture, cultural significance, and role in hosting significant events, including Super Bowls and college football championships.

42. Freeport-McMoRan Inc.

Background: Freeport-McMoRan Inc. is a leading international mining company with operations in Louisiana and around the world, headquartered in Phoenix, Arizona.

Core Industries: Engages in the exploration, development, and production of copper, gold, and other minerals.

Achievements: Contributes to the global supply of essential metals, supporting various industries and infrastructure development worldwide.

43. Rubicon, LLC

Background: Rubicon, LLC is a waste management and environmental services company headquartered in Lafayette, Louisiana.

Core Industries: Provides waste collection, disposal, recycling, and environmental consulting services to residential, commercial, and industrial customers.

Achievements: Plays a vital role in waste management and environmental sustainability efforts, promoting recycling and responsible waste disposal practices.

44. Safety Management Systems, LLC

Background: Safety Management Systems, LLC, based in Lafayette, Louisiana, is a provider of safety and environmental compliance solutions for the oil and gas industry.

Core Industries: Offers safety training, consulting, and regulatory compliance services to oil and gas companies operating in offshore and onshore environments.

Achievements: Recognized for its expertise in safety management, helping clients enhance workplace safety, reduce incidents, and comply with regulatory requirements.

45. PHI, Inc.

Background: PHI, Inc. is a leading provider of helicopter services for the oil and gas industry, with operations based in Lafayette, Louisiana.

Core Industries: Offers helicopter transportation, maintenance, and support services to oil and gas companies operating in offshore and remote locations.

Achievements: Known for its safety record, operational reliability, and critical role in supporting offshore energy production and exploration activities.

46. United States Army Corps of Engineers, New Orleans District

Background: The United States Army Corps of Engineers, New Orleans District, is a division of the U.S. Army Corps of Engineers responsible for managing water resources and infrastructure in Louisiana.

Core Industries: Oversees flood protection, navigation, coastal restoration, and environmental stewardship projects in the New Orleans area.

Achievements: Plays a crucial role in safeguarding communities against flooding, maintaining navigable waterways, and restoring coastal ecosystems.

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Conclusion

Louisiana boasts a diverse range of industries, with companies spanning sectors such as energy, healthcare, manufacturing, hospitality, and more.

From major corporations to local businesses, these companies play integral roles in driving the state’s economy, providing employment opportunities, and contributing to community development.

They are known for their innovation, commitment to quality, and contributions to various sectors, including energy production, healthcare services, transportation, and infrastructure development.

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