Louisiana is home to one of the most diverse construction markets in the United States. From petrochemical plants and healthcare campuses to commercial offices, schools, ports, and hurricane-resilient infrastructure, contractors play a vital role in shaping the state’s economy. The following companies stand out for their experience, technical expertise, safety records, and ability to deliver complex projects across Louisiana’s residential, commercial, industrial, and public sectors.

Louisiana Construction Industry

Louisiana’s construction industry continues to benefit from investments in manufacturing, energy, transportation, healthcare, education, and commercial real estate. The state’s strategic location along the Gulf Coast and the Mississippi River makes it a major hub for ports, logistics, petrochemical processing, and industrial manufacturing. These sectors generate consistent demand for experienced general contractors in Louisiana capable of managing large-scale and technically demanding projects.

Commercial development remains strong in metropolitan areas such as New Orleans, Baton Rouge, Lafayette, Lake Charles, and Shreveport. New hospitals, university facilities, mixed-use developments, hotels, distribution centers, and public infrastructure projects continue driving construction activity. At the same time, residential growth and post-hurricane rebuilding efforts sustain demand for residential contractors in Louisiana and specialty construction firms.

Louisiana also enforces some of the country’s most rigorous building requirements due to its exposure to hurricanes, flooding, and coastal conditions. Contractors must understand resilient construction practices, elevated foundation systems, flood mitigation, reinforced concrete structures, and strict wind-load requirements. Companies with extensive local experience are better positioned to deliver projects that meet these demanding standards while maintaining quality, safety, and regulatory compliance.

The following companies have established themselves among the best general contractors in Louisiana through decades of successful project delivery, skilled workforces, and strong reputations across multiple construction sectors.

Top 20 General Contractors in Louisiana

1. The Lemoine Company

Founded in 1963 and headquartered in Baton Rouge, The Lemoine Company has grown into one of the largest employee-owned construction companies in Louisiana. The company provides construction management, design-build, general contracting, disaster recovery, and program management services for both public and private clients.

The company serves Baton Rouge, New Orleans, Lafayette, Lake Charles, Alexandria, Monroe, Shreveport, and surrounding Gulf Coast communities. Its portfolio includes healthcare, higher education, hospitality, commercial, government, industrial, and infrastructure projects throughout the state.

Among its notable Louisiana projects are multiple developments for Ochsner Health, LSU Health facilities, university buildings, public safety facilities, hotels, municipal buildings, and military projects. The company also played an important role in disaster recovery and rebuilding efforts following major hurricanes. Its extensive experience and collaborative delivery methods continue to position it among the state’s leading licensed contractors in Louisiana.

2. MAPP

MAPP is a nationally recognized commercial builder with a significant presence in Louisiana. The company specializes in construction management, design-build, preconstruction planning, and sustainable building practices. Its collaborative approach enables owners to improve cost certainty while maintaining high-quality construction standards.

Its Louisiana operations primarily serve New Orleans, Baton Rouge, and neighboring Gulf Coast communities. The company has completed numerous office buildings, hospitality developments, educational facilities, healthcare projects, restaurants, retail centers, and mixed-use developments throughout the state.

MAPP has contributed to several high-profile developments in downtown New Orleans, where it has delivered complex urban construction projects requiring careful coordination and phased construction. Its expertise in commercial project delivery makes it one of the most respected commercial contractors in Louisiana.

3. Roy Anderson Corp

Roy Anderson Corp has built a reputation over several decades as one of the Gulf South’s premier commercial builders. The company offers construction management, general contracting, design-build, and preconstruction services across multiple market sectors.

The contractor serves New Orleans, Baton Rouge, Houma, Lafayette, Lake Charles, Monroe, and other Louisiana communities. Its project portfolio includes hospitals, universities, hotels, casinos, office buildings, manufacturing facilities, government buildings, and educational campuses.

Major Louisiana projects include hospitality developments in New Orleans, casino expansions, healthcare facilities, higher education buildings, and public infrastructure improvements. The firm’s strong emphasis on safety, scheduling, and quality control has helped it maintain long-term relationships with both public agencies and private developers.

4. Broadmoor, LLC

Broadmoor is among the largest industrial and commercial building contractors in Louisiana. The company combines self-perform construction capabilities with comprehensive project management, allowing it to execute complex projects efficiently across multiple sectors.

The company serves Baton Rouge, New Orleans, Lake Charles, Lafayette, Gonzales, and industrial facilities throughout southern Louisiana. Its expertise extends across industrial construction, healthcare, education, civil infrastructure, manufacturing, and commercial development.

Broadmoor has completed projects for petrochemical facilities, hospitals, universities, transportation agencies, manufacturing plants, and municipal clients. Its industrial construction capabilities have made it a preferred contractor for many of Louisiana’s major energy and chemical companies.

5. Woodward Design+Build

Woodward Design+Build offers integrated architecture, engineering, and construction services under a single project delivery model. This approach improves collaboration between designers, engineers, contractors, and owners while reducing project schedules and overall costs.

The company serves New Orleans, Baton Rouge, Covington, Hammond, Slidell, Mandeville, and other communities throughout southeast Louisiana. Its project experience includes educational facilities, churches, healthcare buildings, municipal offices, commercial developments, financial institutions, and public buildings.

Woodward has completed numerous school renovations, civic facilities, office buildings, and healthcare projects throughout Louisiana. The firm’s ability to integrate design and construction services allows clients to resolve issues early and minimize costly project changes.

6. Landis Construction Co.

Landis Construction has operated continuously since the 1950s, earning recognition as one of Louisiana’s most experienced commercial contractors. The company specializes in new construction, adaptive reuse, historic preservation, healthcare, hospitality, educational facilities, and institutional buildings.

Its primary service areas include New Orleans, Metairie, Baton Rouge, Covington, the Northshore, and southeast Louisiana. The contractor has completed numerous hotel renovations, museum expansions, healthcare facilities, university buildings, office developments, and public projects.

Landis is especially known for restoring historic buildings throughout New Orleans while preserving their architectural significance. The company has successfully modernized many aging structures without compromising their historic character, making it a trusted partner for preservation projects across Louisiana.

7. DonahueFavret Contractors

DonahueFavret Contractors has served Louisiana’s commercial construction market for decades through general contracting, design-build, and construction management services. The company delivers projects across healthcare, education, hospitality, multifamily housing, retail, and municipal sectors.

Its service areas include New Orleans, Baton Rouge, Metairie, Covington, Hammond, and surrounding southeast Louisiana communities. The company has completed hospitals, schools, apartment communities, hotels, office buildings, government facilities, and mixed-use developments.

DonahueFavret has earned a reputation for collaborative project delivery, proactive planning, and consistent schedule performance. Its experience managing occupied renovations and technically complex commercial projects continues to distinguish it among the leading construction firms in Louisiana.

8. Milton J. Womack, Inc.

Milton J. Womack, Inc. is one of Louisiana’s longest-serving construction companies, with more than six decades of experience delivering commercial, industrial, institutional, and public projects. Based in Baton Rouge, the company has developed a strong reputation for quality workmanship, safety management, and reliable project execution.

The company serves Baton Rouge, New Orleans, Lafayette, Lake Charles, and communities throughout Louisiana. Its construction services include general contracting, construction management, preconstruction planning, and design-build solutions.

Milton J. Womack has completed major Louisiana projects involving healthcare facilities, higher education buildings, government facilities, laboratories, corporate offices, and industrial developments. Notable projects include work for Louisiana State University, healthcare providers, financial institutions, and public agencies. Its long history and experience with complex construction environments make it one of the most established general contractors in Louisiana.

9. Cajun Industries, LLC

Cajun Industries is a leading industrial and infrastructure contractor headquartered in Baton Rouge. The company specializes in heavy industrial construction, fabrication, maintenance, and specialty contracting services for energy, manufacturing, and infrastructure clients.

The company serves industrial markets throughout Baton Rouge, Lake Charles, New Orleans, Geismar, Plaquemine, and the Gulf Coast region. Its expertise includes petrochemical facilities, refineries, power plants, manufacturing plants, and large-scale industrial expansions.

Cajun Industries has completed numerous projects within Louisiana’s industrial corridor, including chemical processing facilities, refinery improvements, pipeline infrastructure, and manufacturing expansions. Its workforce, equipment capabilities, and industrial safety systems have made it a preferred contractor for many major energy companies operating in the state.

10. HITT Contracting

HITT Contracting has expanded its presence in Louisiana through commercial construction, interior build-outs, healthcare projects, technology facilities, and workplace developments. The company combines national construction expertise with local market knowledge to serve growing businesses and institutions.

Its Louisiana service areas include New Orleans, Baton Rouge, and surrounding commercial markets. HITT specializes in corporate offices, healthcare environments, hospitality spaces, government facilities, and specialty interiors.

The contractor has contributed to commercial developments requiring advanced construction coordination, including office renovations, healthcare improvements, and technology-driven workplace projects. Its expertise in modern construction methods, project scheduling, and quality management supports its position among respected construction companies in Louisiana.

11. The Korte Company

The Korte Company provides design-build and construction management services for government, healthcare, commercial, and institutional clients. The company has completed projects across the United States and has maintained a presence in Louisiana through federal, military, and public-sector construction.

Its Louisiana service areas include Baton Rouge, New Orleans, and other government-focused construction markets. The contractor specializes in complex projects that require strict compliance with federal standards, security requirements, and technical specifications.

Louisiana projects include military facilities, government buildings, healthcare improvements, and specialized infrastructure developments. The company’s experience with regulated construction environments makes it a valuable partner for agencies requiring high-performance project delivery.

12. Bernard Construction Group

Bernard Construction Group is a Louisiana-based contractor specializing in commercial, industrial, and institutional construction. The company has developed strong expertise in projects requiring detailed coordination, safety management, and technical construction knowledge.

The firm serves Baton Rouge, New Orleans, Lafayette, Lake Charles, and communities throughout Louisiana. Its services include general contracting, construction management, preconstruction services, and renovation work.

Bernard Construction Group has completed projects involving healthcare facilities, industrial buildings, educational institutions, offices, and commercial developments. The company’s knowledge of Louisiana’s unique construction conditions, including coastal challenges and hurricane-related requirements, helps clients successfully complete demanding projects.

13. J.E. Merit Constructors

J.E. Merit Constructors is recognized as one of Louisiana’s major industrial construction specialists. The company focuses on large-scale energy, petrochemical, manufacturing, and infrastructure projects throughout the Gulf Coast.

Its Louisiana service areas include Baton Rouge, Geismar, St. James Parish, Lake Charles, and industrial communities along the Mississippi River corridor. The company provides engineering support, fabrication, construction management, and industrial installation services.

The contractor has worked on major refinery upgrades, chemical plants, manufacturing facilities, and energy infrastructure projects. Its experience in industrial construction supports Louisiana’s position as a national leader in petrochemical and energy production.

14. T. Baker Smith

T. Baker Smith provides engineering, surveying, environmental consulting, and construction-related services throughout Louisiana and the Gulf Coast. While known primarily as an engineering firm, the company plays an important role in supporting construction projects through technical expertise and infrastructure planning.

The company serves coastal Louisiana communities, including New Orleans, Houma, Lafayette, Baton Rouge, and surrounding areas. Its services support transportation projects, coastal restoration, energy developments, and commercial construction.

T. Baker Smith has contributed to numerous Louisiana infrastructure and environmental projects, including coastal protection initiatives, transportation improvements, drainage systems, and industrial developments. Its technical expertise supports contractors, developers, and government agencies involved in complex construction programs.

15. H.E. Williams Construction Group

H.E. Williams Construction Group is a Louisiana-based contractor specializing in commercial, industrial, institutional, and renovation projects. The company has built a strong reputation for delivering quality construction solutions while maintaining close relationships with owners, architects, and project partners.

The company serves Baton Rouge, New Orleans, Lafayette, Hammond, Covington, and surrounding areas across Louisiana. Its services include general contracting, construction management, preconstruction planning, and commercial renovations.

H.E. Williams has completed projects involving office buildings, healthcare facilities, retail developments, educational institutions, churches, and government facilities. The contractor’s experience managing projects of different sizes allows it to serve both private developers and public organizations throughout the state. Its focus on communication, craftsmanship, and efficient project delivery supports its position among trusted Louisiana general contractors.

16. Lathan Company

Lathan Company is a regional construction firm with extensive experience delivering commercial and industrial projects throughout Louisiana. The company focuses on general contracting, construction management, design-build services, and renovation work.

Its service areas include Baton Rouge, New Orleans, Lafayette, Lake Charles, and other major Louisiana markets. The contractor works across healthcare, education, government, retail, hospitality, and industrial sectors.

Lathan Company has completed numerous projects involving medical facilities, schools, office buildings, manufacturing spaces, and commercial developments. The firm emphasizes detailed planning, cost control, and safety management to meet the demands of modern construction projects. Its ability to handle complex developments makes it one of the notable construction firms in Louisiana.

17. JB James Construction

JB James Construction is a well-established Louisiana contractor specializing in heavy civil construction, infrastructure improvements, and commercial projects. The company has decades of experience delivering projects that support transportation, public works, and private development.

The contractor serves Baton Rouge, New Orleans, Lafayette, and communities throughout southern Louisiana. Its capabilities include road construction, site development, drainage systems, concrete work, and commercial construction.

The company has completed infrastructure projects involving highways, municipal improvements, industrial sites, and commercial developments. Its expertise in civil construction is particularly valuable in Louisiana, where transportation improvements, flood protection, and drainage infrastructure remain critical priorities.

18. Durr Heavy Construction

Durr Heavy Construction has earned recognition as a leading heavy construction contractor serving Louisiana and the Gulf South. The company specializes in industrial construction, marine projects, civil infrastructure, and specialty contracting.

Its Louisiana service areas include Baton Rouge, New Orleans, Lake Charles, Houma, and coastal communities. The contractor provides services for marine facilities, industrial plants, ports, bridges, and large infrastructure developments.

Durr Heavy Construction has completed projects involving docks, terminals, industrial facilities, transportation infrastructure, and marine structures. The company’s experience working in challenging environments, including coastal and industrial locations, makes it a valuable partner for large-scale developments across Louisiana.

19. R.K. Miller Construction

R.K. Miller Construction provides commercial construction services throughout Louisiana, focusing on retail, office, healthcare, hospitality, industrial, and institutional projects. The company has developed a reputation for dependable project management and quality construction.

The firm serves Baton Rouge, New Orleans, Lafayette, and surrounding communities. Its services include general contracting, construction management, renovations, and tenant improvements.

R.K. Miller Construction has completed projects involving shopping centers, medical facilities, restaurants, corporate offices, and commercial buildings. The contractor understands the importance of minimizing disruptions during occupied renovations and delivering projects that meet operational requirements for businesses and organizations.

20. McDonnel Construction

McDonnel Construction is a Louisiana contractor recognized for commercial building projects, renovations, and construction management services. The company works with developers, businesses, and organizations to deliver functional and durable structures.

Its service areas include New Orleans, Baton Rouge, and communities throughout southeast Louisiana. The company provides general contracting services for commercial buildings, retail spaces, offices, and institutional facilities.

The contractor has completed projects involving commercial renovations, new construction, tenant improvements, and specialty developments. Its local market knowledge and understanding of Louisiana building requirements allow it to deliver projects suited to regional conditions.

Building Louisiana’s Future Through Construction Excellence

The demand for experienced general contractors in Louisiana continues growing as the state invests in industrial expansion, infrastructure modernization, healthcare improvements, and commercial development. From large-scale petrochemical facilities along the Mississippi River to hospitals, schools, offices, and residential communities, contractors remain essential partners in Louisiana’s economic growth.

The companies featured in this list represent some of the most capable construction companies in Louisiana, with expertise spanning commercial, residential, industrial, civil, and public-sector projects. Their ability to manage complex construction challenges, maintain safety standards, and adapt to Louisiana’s unique environmental conditions demonstrates the strength of the state’s construction sector.

As Louisiana continues attracting investment in energy, manufacturing, technology, tourism, and infrastructure, demand for skilled licensed contractors in Louisiana will remain strong. Developers, government agencies, and property owners will continue relying on experienced construction partners to deliver projects that support communities and strengthen the state’s future.