| # | Company | Employees |
|---|---|---|
| 1 |
Louisiana State Universitylsu.edu
Leading institution in Louisiana with land-grant, sea-grant, and space-grant status, offering diverse programs in instruction, research, and public service |
12,167 |
| 2 |
Turner Industriesturner-industries.com
Provider of comprehensive heavy industrial solutions including construction, maintenance, fabrication, rigging, and transportation services across the United States with over 20,000 employees |
9,882 |
| 3 |
Amedisysamedisys.com
Amedisys provides exceptional home health, hospice, and personal care services, with a focus on personalized, clinically distinct care for patients |
9,468 |
| 4 |
State of Louisianajobs.la.gov
Provides diverse career opportunities across urban and rural areas, enabling individuals to contribute meaningfully through public service roles. |
6,608 |
| 5 |
MMR Groupmmrgrp.com
Industry-leading provider of electrical, instrumentation, and technical services across a variety of sectors, known for exceptional value, quality, and safety |
4,338 |
| 6 |
Our Lady of the Lake Healthfmolhs.org
A not-for-profit medical center in Baton Rouge, Louisiana offering comprehensive healthcare services, graduate medical education programs, and specialized care for various conditions |
3,803 |
| 7 |
Lamar Advertising Companylamar.com
Offers various outdoor advertising formats, including billboards, transit, and airport displays, to help businesses reach broad audiences across the United States and Canada. |
3,761 |
| 8 |
Performance Contractorsperformance-contractors.com
A general industrial contractor providing full-service construction, turnaround, and maintenance services with a focus on safety, quality, and performance since 1979 |
3,648 |
| 9 |
East Baton Rouge Parish School System
One of Louisiana's largest school districts serving 41,000 students across 80 campuses, located in East Baton Rouge Parish on the Mississippi River |
3,431 |
| 10 |
PSC Grouppscgroup.com
Provider of product handling, logistics, and support services to refineries, chemical plants, and marine industries with a focus on safety, quality, and employee care |
3,200 |
| 11 | 3,077 | |
| 12 |
Brown & Root Industrial Services, LLCbrownandroot.com
Industrial services company offering engineering, construction, maintenance, turnaround, and specialty services to chemical/petrochemical, refining, and other plant sites worldwide Providing career growth opportunities |
2,741 |
| 13 |
Baton Rouge General Medical Centerbrgeneral.org
A full-service community hospital with over 600 beds, offering high-quality healthcare, groundbreaking services, and a wide range of medical programs and services |
2,365 |
| 14 |
FMOL Healthfmolhs.org
health system delivering compassionate, coordinated care prioritizing patients and communities, supporting team members with comprehensive rewards and development |
2,212 |
| 15 |
Louisiana Bluelablue.com
Providing health insurance products and services exclusively in Louisiana, focusing on quality care, affordability, and improving health outcomes. |
2,098 |
| 16 |
Providence - An Engineering and Environmental Consulting Firmprovidenceeng.com
Employee-owned engineering and environmental consulting firm with experienced professionals offering services in engineering, environmental, and technology disciplines for governmental and industrial clients |
2,017 |
| 17 |
ITI Technical Collegeiticollege.edu
The company is focused on providing technical education to help students achieve better career opportunities and a higher quality of life |
1,963 |
| 18 |
H&E Rentalshe-equipment.com
Established in 1961, this company is a leading national equipment rental provider, offering reliability, fair prices, and top-notch service to customers across the United States |
1,757 |
| 19 |
Woman's Hospitalwomans.org
Specializing in women's health, this nonprofit organization is dedicated to improving the well-being of women and infants through innovative programs and services |
1,676 |
| 20 |
Cajun Industries, LLCcajunusa.com
A nationally recognized construction leader providing integrated self-performed EPC services in civil, deep foundations, and mechanical fields to renowned clients worldwide |
1,650 |
| 21 |
ISC Constructors, L.L.C.iscgrp.com
Specializing in electrical, instrumentation, and controls solutions, this industrial engineering and construction company prioritizes safety, quality, and workforce development |
1,642 |
| 22 |
EXCEL Groupexcelwithus.com
A trusted provider of construction, maintenance, fabrication, and project management solutions for industrial, manufacturing, and governmental clients, focusing on safety, quality, and reliability |
1,574 |
| 23 |
Louisiana Department of Healthldh.la.gov
Protect and promote health, ensure access to medical, preventive, and rehabilitative services for all Louisiana residents effectively. |
1,531 |
| 24 |
Republic Financerepublicfinance.com
A consumer loan provider with over 70 years of experience, offering flexible options and exceptional customer service to help customers achieve their financial goals |
1,372 |
| 25 |
The Newtron Groupthenewtrongroup.com
Specializing in industrial construction, electrical, instrumentation, and design solutions, offering turn-key services nationwide with a focus on quality and savings |
1,175 |
| 26 |
AWC, Inc.awc-inc.com
Employee-owned company providing automation and control systems solutions, engineering, and support to optimize US manufacturing and utility operations with innovative problem-solving specialists in 20+ functions |
1,110 |
| 27 |
City/Parish of Baton Rougebrla.gov
This City-Parish government in Baton Rouge offers diverse job opportunities to serve the community with essential services for residents |
1,003 |
| 28 |
Repcon, Inc.repcon.com
Industry-leading industrial contractor providing construction, turnaround, specialty welding, pipe fabrication, and technical services to various industries nationwide with a strong focus on safety and employee development |
993 |
| 29 |
Southern University and A&M College- Baton Rougesubr.edu
A historic institution promoting diversity, excellence in education, research, and public service, aiming to produce competent and productive graduates |
980 |
| 30 |
Louisiana Department of Children and Family Servicesdcfs.louisiana.gov
The company focuses on ensuring the safety, well-being, and self-sufficiency of families, children, and individuals by providing various support services |
946 |
| 31 |
Louisiana Department Of Transportation and Developmentwwwsp.dotd.la.gov
A Louisiana-based company serving transportation and water resource needs, committed to teamwork, quality, integrity, professionalism, innovation, public service, and excellence |
885 |
| 32 |
LSU AgCenterlsuagcenter.com
Leading research institution supporting Louisiana's agricultural industries, environment, and quality of life through research, extension services, and youth and community programs |
793 |
| 33 |
Baton Rouge Community Collegemybrcc.edu
A public community college in Baton Rouge, Louisiana, providing innovative, accessible, and dynamic educational programs to meet workforce needs and promote economic development |
786 |
| 34 |
Louisiana Workslaworks.net
State government agency in Louisiana administering workforce programs, unemployment compensation, training resources, and worker compensation benefits to enhance job growth and development |
777 |
| 35 |
Community Coffeecommunitycoffee.com
Family-owned importer, roaster, and distributor of premium coffees since 1919 Offers whole bean, ground, single-serve, and ready-to-drink products Supports communities through giving back programs |
759 |
| 36 |
St. Elizabeth Hospitalfmolhs.org
A 78-bed community hospital in Gonzales, Louisiana, part of Franciscan Missionaries of Our Lady Health System, providing healing, spiritual care with joyfulness and humility |
715 |
| 37 |
EPIC Pipingoneepic.com
Leading global industrial pipe fabrication organization with over 500 years of combined experience, offering turn-key solutions for various industries with cutting-edge technology |
675 |
| 38 |
Louisiana Department of Educationlouisianabelieves.com
The Louisiana Department of Education aims to ensure student success post-graduation by focusing on equity, educator support, and student achievement through targeted priorities and goals |
667 |
| 39 |
Setpoint Integrated Solutions, Inc.setpointis.com
Integrated solutions provider specializing in process control equipment and services, offering a wide range of products, technical support, and site services worldwide |
659 |
| 40 |
b1BANKb1bank.com
A community bank in Baton Rouge, LA, offering relationship-based banking services and innovative technology to support entrepreneurs and small businesses in Louisiana and Texas |
635 |
| 41 |
Pennington Biomedical Research Centerpbrc.edu
Leading medical research center focused on obesity, diabetes, cardiovascular disease, cancer, and dementia Conducts basic, clinical, and population health research to improve human health |
603 |
| 42 |
Louisiana State Policelsp.org
The organization provides public safety services, patrols highways, investigates crimes, regulates industries, and recruits qualified individuals for careers as state troopers |
595 |
| 43 |
Allied Poweralliedpwr.com
A full-service provider specializing in power plant services, offering expertise in utility industry, nuclear generation, and cost-effective facility maintenance solutions |
570 |
| 44 |
Excel Modular Scaffoldexcelscaffold.com
Innovative modular system scaffold for builder efficiency, delivering time and cost-savings without requiring a large capital investment |
546 |
| 45 |
Walk-On's Bistreaux & Barwalk-ons.com
A sports bar and restaurant chain founded by former college athletes, known for their dedication, hard work, and commitment to excellence |
519 |
| 46 |
John H. Carter Company, Inc.johnhcarter.com
The company is a major manufacturer's representative and distributor of industrial equipment, offering a wide range of products, services, and support across various industries |
491 |
| 47 | 481 | |
| 48 |
Cadence Insurance, A Gallagher Companyajg.com
A global insurance agency part of the Worldwide Broker Network, dedicated to providing high-quality insurance services for clients worldwide |
455 |
| 49 |
Kean Millerkeanmiller.com
A leading law firm in the Gulf South region, specializing in innovative and high-quality legal services for Fortune 500, national, and local clients |
452 |
| 50 |
Gas and Supplygasandsupply.com
Supplier offering welding supplies, compressed/bulk/medical gases, safety supplies, and services since 1981 Specializing in cost reduction and customer service |
450 |
| 51 |
Piccadilly Restaurantspiccadilly.com
In 1944, a restaurant chain was founded in Louisiana, now with over 60 locations providing affordable and wholesome menu options tailored to guests' preferences |
449 |
| 52 |
Triad Electric & Controlstriadelectricandcontrols.com
Specialized in industrial electrical and instrumentation services, national leader in industrial process and electrical installation across the United States |
435 |
| 53 |
Louisiana Department of Environmental Qualitydeq.louisiana.gov
Comprehensive environmental protection services in Louisiana to promote health, safety, and welfare while ensuring compliance with statutory mandates through various offices |
425 |
| 54 |
Mary Bird Perkins Cancer Centermarybird.org
A leading cancer center with over 50 years of experience, providing advanced care, research, education, and support to improve survivorship |
422 |
| 55 |
JM Test Systems, LLC.jmtest.com
A full-service metrology lab offering NIST Traceable calibration and repair for electronic, dimensional, and mechanical test equipment with ISO/IEC 17025 accreditation |
417 |
| 56 |
CSRS, a Westwood companycsrsinc.com
Providing advisory and program management services for sustainable projects, disaster recovery, and navigating political bureaucracy to achieve long-term goals |
411 |
| 57 |
GIS Engineering, LLCgisy.com
An integrated engineering team providing coastal design, construction, and asset management services for government agencies, with a focus on large-scale projects |
389 |
| 58 |
Associated Grocers Baton Rougeagbr.com
Grocery supplier owned by independent stores in Louisiana, SE Texas, and Mississippi Gulf Coast Visit website to find a store |
385 |
| 59 |
Premier Healthpremierhealthurgentcare.com
Physician-driven company providing convenient access to high-quality, cost-effective healthcare through a retail urgent care model in partnership with top health systems nationwide |
383 |
| 60 |
The Honor Society of Phi Kappa Phiphikappaphi.org
A prestigious honor society with over 15 million members worldwide, recognizing academic excellence and fostering a community of scholars and professionals |
378 |
| 61 |
Ford, Bacon & Davis, LLCfbd.com
A privately owned EPC company with 8 offices in US, specializing in engineering projects in Chemical/Petrochemical, Pulp and Paper, Refining, and Renewable Energy markets |
372 |
| 62 |
Savard Labor & Marine Personnelsavardgroup.net
Staffing agency providing skilled and unskilled blue collar labor for various worksites, specializing in reducing costs and increasing efficiency for clients |
364 |
| 63 |
Louisiana State University School of Veterinary Medicinelsu.edu
A leading veterinary school in Louisiana offering DVM, MS, and PhD degrees, focused on teaching, healing, research, and protection of animals |
361 |
| 64 | 356 | |
| 65 |
Louisiana Department of Justiceaglizmurrill.com
The company is the head of a state department of justice, serving as its chief legal officer and providing full-service legal support |
355 |
| 66 |
The Baton Rouge Clinic, AMCbatonrougeclinic.com
A premier multi-specialty clinic serving over 250,000 patients in Baton Rouge and surrounding areas with clinical excellence and compassionate care for over 75 years |
350 |
| 67 |
East Baton Rouge Sheriff's Officeebrso.org
Law enforcement agency in Baton Rouge, LA, led by Sheriff Sid Gautreaux Enforces laws in East Baton Rouge Parish and manages the parish prison |
338 |
| 68 |
L'Auberge Baton Rougelbatonrouge.com
A premier casino and hotel facility in Baton Rouge, Louisiana, offering gaming, accommodations, dining, entertainment, and stunning views of the Mississippi River |
336 |
| 69 |
Deep South Crane and Rigging, LLCdeepsouthcrane.com
A family-owned company providing innovative heavy lift and transport solutions globally, with a diverse fleet of equipment and a commitment to safety and personalized service |
328 |
| 70 |
Lofton.Jobsloftonstaffing.com
This company helps businesses by providing qualified personnel for various positions while handling all employer obligations and offering comprehensive employee benefits |
327 |
| 71 |
Southern University Law Centersulc.edu
The organization provides access to high-quality legal education emphasizing Louisiana civil law for underrepresented students, preparing them for leadership roles |
324 |
| 72 |
Our Lady of the Lake Children鈥檚 Healthfmolhs.org
A statewide health network offering specialized care for children, with hospital-based services and specialists across Louisiana, providing comprehensive medical services |
323 |
| 73 |
TURNER SPECIALTY SERVICES, L.L.C.turnersbrand.com
This company provides construction, maintenance, fabrication, and equipment services to customers in the United States |
318 |
| 74 |
Central Community School Systemcentralcss.org
The Central Community School System in Louisiana opened in 2007, acquiring multiple schools and expanding to over 4,800 students |
312 |
| 75 |
All Star Automotive Groupallstarautomotive.com
Louisiana's largest dealership consortium offering high-quality vehicles, expert vehicle service, collision repair, and extensive parts inventory while supporting local communities |
311 |
| 76 |
Latter & Blumcompass.com
A real estate company founded in 1986, expanding across the Gulf South through acquisitions, with over 40 companies and 2,100 agents |
308 |
| 77 |
BATON ROUGE ORTHOPAEDIC CLINIC, LLCbrortho.com
A medical practice in Baton Rouge, Louisiana, specializing in orthopedic care located at 8080 Bluebonnet Blvd |
302 |
| 78 |
Pelican Credit Unionpelicancu.com
A full-service credit union in Louisiana with a focus on financial education, offering various financial products to members and emphasizing a friendly, approachable atmosphere |
276 |
| 79 |
Assurance Financialassurancemortgage.com
A Baton Rouge-based mortgage banker offering a variety of residential loan products in 47 states, closing loans in-house with a commitment to customer satisfaction and growth |
268 |
| 80 |
Investar Bank, National Associationinvestarbank.com
This organization provides comprehensive banking solutions and financial services to individuals and businesses, including specialty accounts, cash management, electronic transactions, and various loan services. |
247 |
| 81 |
CC's Coffee Houseccscoffee.com
Saurage family commitment: providing unsurpassed quality and value, distinctive beverages like Mochasippi, signature Coffee House blends, fresh baked pastries. |
237 |
| 82 |
Santa Fe Cattle Companysantafecattleco.com
A privately owned restaurant company with a passion for genuine hospitality, serving fresh food in a comfortable environment including hand cut steaks and Southwest favorites |
206 |
| 83 |
Business First Bankb1bank.com
A financial institution offering personal/commercial banking, treasury management, and wealth solutions to help clients succeed Known for empowering staff and exceptional service |
186 |
| 84 |
The NeuroMedical Center Clinictheneuromedicalcenter.com
Specializing in comprehensive neurosciences care, our multidisciplinary team of experts treat brain, spine, and nervous system conditions for over 120,000 patients annually |
184 |
| 85 |
Education Management, Inc. (dba Blue Cliff College)bluecliffcollege.edu
An innovative Massage Therapy training center offering accredited programs in various fields such as Allied Health, Cosmetology, and HVAC |
182 |
| 86 |
Beacon Behavioral Hospitalbeaconbh.com
Provider of inpatient psychiatric care for adults and seniors with acute mental health needs, offering stabilization, evaluation, medication management, and intensive outpatient programs |
181 |
| 87 |
Moreau Physical Therapymoreaupt.com
A multidisciplinary therapy clinic offering services such as physical, occupational, speech, pediatric, aquatic therapy, chiropractic services, and industrial medicine |
181 |
| 88 |
Plexos Group, LLCplexosgroup.com
Leading program and construction management company specializing in large-scale projects using agile technology to design, staff, and manage infrastructure, education, housing, and healthcare programs |
179 |
| 89 |
Louisiana Department of Insuranceldi.la.gov
Regulatory agency enforcing insurance laws in Louisiana with integrity, professionalism, and commitment to being the best in the United States |
179 |
| 90 |
Team Toyotateam-toyota.com
A customer-focused Toyota dealership in Baton Rouge, Louisiana, offering sales, financing, and expert service to ensure an enjoyable automotive experience |
177 |
| 91 |
SRI Integration Servicessritelecom.net
A telecommunications industry leader providing cutting-edge equipment deployment and network integration services for industry giants, driving communication and entertainment innovation |
176 |
| 92 |
Classic Industrial Servicesclassicindustrial.com
A leader in industrial services since 1988, specializing in insulation, scaffolding, and maintenance with a focus on safety, quality, and customer service |
175 |
| 93 |
Hannis T. Bourgeois, LLPhtbcpa.com
A highly respected CPA firm in Louisiana, providing valuable insights and advice to clients for achieving their business objectives with excellence |
173 |
| 94 |
Breazeale Sachse and Wilson LLPbswllp.com
A historic law firm with attorneys admitted in multiple states, providing legal services to individuals, corporations, and governmental entities with a focus on client service |
173 |
| 95 |
Benny's Car Washbennyscarwash.com
A family-owned company offering automated car wash services, detailing, oil changes, state inspections, convenience stores, and fueling stations with dedication to customer service |
170 |
| 96 |
Workforce Grouptheworkforcegroup.org
Specializing in disaster relief, rapid staffing, sheltering operations, and humanitarian support services for government and non-profit clients Mission-driven with a focus on innovation and integrity |
170 |
| 97 | 170 | |
| 98 |
Prime Occupational Medicineprimeoccmed.com
Occupational health services provider focused on pre-placement screenings, treatment plans, and managing work-related injuries to reduce costs and optimize employee productivity |
167 |
| 99 |
Valluzzo Companiesvalluzzocompanies.com
Family-owned organization operating numerous franchised McDonald's restaurants across Louisiana, Mississippi, and Alabama since 1963 |
164 |
| 100 |
Louisiana Office of Technology Services (DOA)doa.la.gov
Founded in 2014, this organization streamlines IT services for state agencies to save taxpayer money and promote efficient technology decision-making |
164 |
Turn this list into pipeline
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
The same list elsewhere in United States
- The largest companies in the United States 91,669
- The largest companies in California 12,813
- The largest companies in New York State 10,485
- The largest companies in Texas 8,086
- The largest companies in Florida 4,945
- The largest companies in Illinois 4,175
- The largest companies in Pennsylvania 3,110
- The largest companies in Massachusetts 3,093
- The largest companies in Georgia 2,632
- The largest companies in Ohio 2,618
- The largest companies in New Jersey 2,569
- The largest companies in Virginia 2,503
- The largest companies in Michigan 2,346
- The largest companies in North Carolina 2,174
- The largest companies in Alabama 1,806
- The largest companies in Washington State 1,785
- The largest companies in Colorado 1,774
- The largest companies in Minnesota 1,700
- The largest companies in Maryland 1,527
- The largest companies in Wisconsin 1,482
- The largest companies in New York 6,920
- The largest companies in San Francisco 2,030
- The largest companies in Houston 1,791
- The largest companies in Chicago 1,668