| # | Company | Employees |
|---|---|---|
| 1 |
The World Bankworldbank.org
A global institution providing financial and technical assistance to developing countries to reduce poverty and promote sustainable development across various sectors |
44,863 |
| 2 |
U.S. Air Force Reserveairforce.com
Supports US air defense and military missions, leveraging reservists' civilian skills and expertise for critical operations and training globally, alongside active-duty members. |
19,030 |
| 3 |
University of Alabama at Birminghamuab.edu
Educates students, conducts research, provides patient care, fosters innovation, and engages with the community, significantly impacting the state's economy. |
16,963 |
| 4 |
The University of Alabamaua.edu
Public university focused on teaching, research, and service, providing a creative environment for students and scholars to excel. |
13,215 |
| 5 |
Auburn Universityauburn.edu
A comprehensive research institution offering diverse programs at undergraduate, graduate, and professional levels, known for academic excellence and economic impact on Alabama |
11,627 |
| 6 |
University of California, Riversideucr.edu
Educates students, conducts research, and promotes social mobility. It is recognized for educational access and research excellence, with a focus on serving diverse communities. |
10,851 |
| 7 |
Pinellas County Schoolspcsb.org
It provides news and information related to Pinellas County Schools, keeping the community informed about educational developments and events. |
8,950 |
| 8 |
Boise State Universityboisestate.edu
Focused on world change through unique 'Blue Turf Thinking' concept, fostering innovation and impact, not by chance. |
7,326 |
| 9 |
Albuquerque Public Schoolsaps.edu
Largest school district in New Mexico, serving approximately one-fourth of the state's public students across 143 schools. |
7,326 |
| 10 |
University of Maryland Global Campusumgc.edu
Offers high-quality academic programs, degrees, and certificates to working adults globally through online and classroom learning, focusing on adult higher education. |
6,602 |
| 11 |
Huntsville Hospitalhuntsvillehospital.org
Regional referral center with 881 beds providing healthcare services in North Alabama and southern Tennessee, part of a health system with 12 hospitals and over 19,000 employees |
6,147 |
| 12 |
New York City Transitmta.info
A public transportation agency in NYC modernizing infrastructure, utilizing technological tools, and seeking skilled individuals to provide world-class service |
6,073 |
| 13 |
University of Tennesseeutk.edu
Public land-grant university offering diverse undergraduate and graduate programs, extensive research partnerships, medical education, and regional healthcare services. |
5,978 |
| 14 |
The Port Authority of New York & New Jerseyjointheportauthority.com
Designing, engineering, and operating transportation infrastructure supporting millions of people and billions in economic activity across a major regional hub. |
5,187 |
| 15 |
China Railway Construction Co., Ltd.crcc.cn
A civil engineering organization based in Beijing, specializing in construction projects and creating networking opportunities on LinkedIn for growth |
4,855 |
| 16 |
Conroe Independent School Districtconroeisd.net
Public school district serving diverse communities in Houston area, focusing on student achievement and managing rapid enrollment growth. |
4,696 |
| 17 |
State of Arkansasarcareers.arkansas.gov
Providing essential public services including workforce development, infrastructure repair, foster care, emergency response, technology, and environmental preservation for Arkansas residents. |
4,491 |
| 18 |
Baruch Collegebaruch.cuny.edu
Offers undergraduate, master's, and doctoral degree programs to 20,000 students from over 150 countries. Emphasizes academic excellence, accessibility, and strong outcomes. |
4,320 |
| 19 |
Minnesota State University, Mankatomnsu.edu
Public four-year institution, located in Mankato. Second largest student body in Minnesota. Part of Minnesota State Colleges and Universities System. Offers NCAA Division II and I athletics. |
3,683 |
| 20 |
The University of Alabama in Huntsvilleuah.edu
Public university offering accredited undergraduate and graduate degree programs across diverse fields including engineering, science, business, nursing, and humanities. |
3,520 |
| 21 |
University of South Alabamasouthalabama.edu
A global research and teaching university offering quality education in various fields, small class sizes, hands-on research opportunities, state-of-the-art facilities, and Division I athletic teams |
3,384 |
| 22 |
Troy Universitytroy.edu
A public university with international reach offering quality academic programs, financial aid, outstanding faculty, on-campus and online classes for diverse student needs |
3,315 |
| 23 |
San Jacinto Collegesanjac.edu
Provides college education, job-ready skills, and career pathways to students, fostering economic prosperity in the Greater Houston area through various academic and technical programs. |
3,092 |
| 24 |
Alameda Health Systemalamedahealthsystem.org
Comprehensive healthcare system providing trauma, psychiatric, rehabilitation, and community wellness services across multiple hospitals and centers in East Bay. |
2,983 |
| 25 |
Defense Contract Audit Agencydcaa.mil
Examine government contractors' financial records and business processes to ensure fair, reasonable costs for Department of Defense contracts. |
2,832 |
| 26 |
Mobile County Public School Systemmcpss.com
The Mobile County Public School System aims for excellence, offering a variety of pathways to academic and career success for all students |
2,715 |
| 27 |
U.S. Army Contracting Commandarmy.mil
This company supports US Army warfighters by acquiring essential equipment, supplies, and services worldwide, ensuring their success in missions and daily life |
2,709 |
| 28 |
United States Naval Academyusna.edu
Prepares midshipmen morally, mentally, and physically to be professional officers in the naval service. Earn a Bachelor of Science degree. |
2,569 |
| 29 |
Blue Valley School Districtbluevalleyk12.org
It provides educational services in Johnson County, Kansas, focusing on community engagement and adherence to social media rules for communication. |
2,351 |
| 30 |
Lamar Consolidated ISDlcisd.org
Public school district serving over 46,000 students across 52 campuses, providing education and community support in Texas. |
2,185 |
| 31 |
Alamo Colleges Districtalamo.edu
Providing academic and leadership programs across five colleges in Central and South Texas to enhance student achievement and opportunities. |
2,108 |
| 32 |
Greece Central School Districtgreece.k12.ny.us
The company is a large school district located in New York State, serving a diverse suburban population with an enrollment of 12,755 students |
1,797 |
| 33 |
Colorado Springs Utilitiescsu.org
largest community-owned utility providing electric, natural gas, water, and wastewater services, supporting community well-being and local businesses for 100 years |
1,753 |
| 34 |
Bureau of Indian Affairsbia.gov
Enhance quality of life, promote economic opportunity, protect and improve trust assets for American Indians, tribes, and Alaska Natives. |
1,752 |
| 35 |
Whiddon College of Medicine at the University of South Alabamausahealthsystem.com
Academic health center offering exceptional educational opportunities for training physicians and scientists in various fields of human biology and healthcare |
1,729 |
| 36 |
Alabama State Universityalasu.edu
Public historically black university focused on teaching, research, and public service with a commitment to student-centered diversity and excellence. |
1,634 |
| 37 |
University of North Alabamauna.edu
A historic institution with origins dating back to 1830, offering higher education through a variety of academic programs and resources |
1,585 |
| 38 |
International Leadership of Texasiltexas.org
A public charter school with a global focus, offering bilingual education in English, Spanish, and Chinese, fostering international relationships and cultural exchange |
1,544 |
| 39 |
Irvine Valley Collegeivc.edu
Small college environment, modern facilities, dedicated staff, excellent faculty. Knowledge, experience, student learning commitment. #1 transfer rate Orange County, #2 transfer rate California. |
1,423 |
| 40 |
Utah Transit Authorityrideuta.com
Multimodal public transportation agency serving six counties and over 80 cities along the Wasatch Front region. |
1,365 |
| 41 |
Hoover City Schoolshoovercityschools.net
Educational institution that has grown from one high school and six elementary schools to a system of 17 schools with over 13,000 students |
1,351 |
| 42 |
Aims Community Collegeaims.edu
Offers over 200 degree and certificate programs, affordable tuition, and flexible class options across four campuses, serving as a higher education institution. |
1,345 |
| 43 |
Auburn University at Montgomeryaum.edu
A diverse, accredited public university offering undergraduate and graduate programs, emphasizing applied learning, research, community partnerships, and student success |
1,281 |
| 44 |
Alabama Agricultural and Mechanical Universityaamu.edu
A public 1890 Land-Grant institution offering diverse degree programs to prepare students for careers and excel in a global society |
1,248 |
| 45 |
Shelby County Board of Educationshelbyed.k12.al.us
A large school system in Alabama, ranking fifth in size, serving the educational needs of the Shelby County community |
1,244 |
| 46 |
Tuscaloosa City Schoolstuscaloosacityschools.com
A school district in Tuscaloosa, Alabama offering high-quality education to over 10,000 students from pre-Kindergarten to 12th grade across 24 campuses |
1,215 |
| 47 |
CalSTRScalstrs.com
Administers retirement systems for public school educators including defined benefit, cash balance, and voluntary defined contribution plans, disability, and survivor benefits. |
1,136 |
| 48 |
Nashua School Districtnashua.edu
Provides education to students, adhering to local, state, and national standards, utilizing exemplary teaching practices and continuous improvement, supported by community and dedicated staff. |
1,123 |
| 49 |
Valley Watervalleywater.org
Management of water supply, flood protection, stream stewardship, dams, reservoirs, treatment plants, groundwater recharge, and wholesale water services in Santa Clara County. |
1,104 |
| 50 |
Maryland Div. of Parole & Probation; Central Home Detention Unit
The company focuses on public safety within the criminal justice system, addressing rehabilitation through various means and supervising offenders within communities |
1,084 |
| 51 |
Community College of the Air Forceairuniversity.af.edu
A higher education institution located in AL, United States, focusing on serving the educational needs of the Air Force community |
1,072 |
| 52 |
The University of West Alabamauwa.edu
A state-supported institution of higher learning in West Alabama, committed to meeting educational, social, cultural, and economic needs through research and public service |
915 |
| 53 |
Calhoun Community Collegecalhoun.edu
A leading open-admission community college offering over 100 associate degree options and career programs to individuals in Alabama |
895 |
| 54 |
DeKalb County Board of Educationdekalbk12.org
The company focuses on producing academically competent graduates with career and life skills, providing services for all students to enable successful societal integration |
889 |
| 55 |
Baldwin County Public Schoolsbcbe.org
The company operates in Baldwin County, Alabama, providing education services to over 200,000 residents through a network of community-centered schools |
866 |
| 56 |
Anderson Community Schoolsacsc.net
This corporation is dedicated to serving the Anderson community through education and support |
857 |
| 57 |
University of Montevallomontevallo.edu
A public liberal arts university in Alabama offering picturesque campus, top-ranked academic programs, small class sizes, and NCAA Division II athletics |
848 |
| 58 |
Alabama Department of Correctionsdoc.alabama.gov
The company provides secure and humane confinement, management, and rehabilitative programs for offenders to ensure public safety and successful re-entry |
808 |
| 59 |
Murphy High School (MCPSS)mhspanthers.com
Prepares high school students academically for college and career readiness |
799 |
| 60 |
Dothan City Schoolsdothan.k12.al.us
Dothan City Schools provides rigorous coursework and hands-on training in various career clusters to prepare students for advanced learning and diverse career opportunities |
796 |
| 61 |
Jackson Collegejccmi.edu
Offers higher education through associate and bachelor's degree programs across multiple campuses, with a focus on community college and international studies. |
781 |
| 62 |
NYSERDAnyserda.ny.gov
Promotes energy efficiency, renewable energy, greenhouse gas emissions reduction, economic growth, and lower energy bills for New Yorkers. |
740 |
| 63 |
Decatur City Schoolsdcs.edu
An innovative learning community with academic excellence, unique individualized learning, international baccalaureate program, and environmental education initiatives |
717 |
| 64 |
UAB Marnix E. Heersink School of Medicineuab.edu
Education of physicians and scientists in medicine and biomedical research at a leading university focused on health sciences. |
693 |
| 65 |
Cleveland Heights-University Heights School Districtchuh.org
Public school district serving diverse communities with comprehensive academic programs, extracurricular activities, and dedicated staff supporting student success and growth. |
648 |
| 66 |
Athens City Schoolsacs-k12.org
Award-winning public school system in Athens, Alabama, offering preschool through high school education with a focus on personalized learning and community connection |
648 |
| 67 |
Birmingham City Schoolsbhamcityschools.org
An educational institution in Birmingham, Alabama, focusing on student success with a strategic plan and a commitment to building future leaders |
629 |
| 68 |
Waltham Public Schoolswalthampublicschools.org
Provides high-quality, diverse educational programs fostering academic, social, and emotional growth to prepare students for college, career, and community success. |
617 |
| 69 |
Athens State Universityathens.edu
Alabama's upper division university offers junior and senior level courses for bachelor's degrees through day, evening, weekend, and online classes, prioritizing affordability and convenience |
601 |
| 70 |
Shelton State Community Collegesheltonstate.edu
A public community college providing accessible education, training, and community opportunities, with accreditation for various degree programs and nursing programs |
594 |
| 71 |
Gadsden State Community Collegegadsdenstate.edu
A public community college with multiple campuses, providing comprehensive education and preparing students for the workforce or transfer to a university |
588 |
| 72 |
Desert Research Institutedri.edu
World leader in basic and applied interdisciplinary scientific research. Develops scientific knowledge and innovative technologies through external grants and contracts. |
571 |
| 73 |
Redondo Beach Unified School Districtrbusd.org
Public school district providing education from elementary through adult levels, emphasizing community partnership and striving for educational excellence. |
569 |
| 74 |
City of Annapolis, MDannapolis.gov
Local government managing public services including safety, utilities, planning, parks, transportation, and preserving historic community character in a Maryland city. |
384 |
| 75 |
Limestone County Schoolslcsk12.org
A K-12 public school system in North Central Alabama, providing world-class education to over 9,500 diverse students for global competitiveness |
352 |
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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.
More company lists in Alabama
- The largest companies in Alabama 1,806
- Financial services firms in Alabama 157
- Financial Services companies in Alabama 122
- SaaS companies in Alabama 120
- Retail chains in Alabama 118
- Critical infrastructure operators in Alabama 116
- Software Development companies in Alabama 108
- Education providers in Alabama 99
- Hospitals and Health Care companies in Alabama 91
- Manufacturers in Alabama 84
- IT Services and IT Consulting companies in Alabama 83
- Higher Education companies in Alabama 80
- Aerospace and defence companies in Alabama 66
- Healthcare providers in Alabama 66
- Government Administration companies in Alabama 61
- Insurance companies in Alabama 54
- Hardware manufacturers in Alabama 53
- IT services companies in Alabama 53
- Defense and Space Manufacturing companies in Alabama 48
- AI companies in Alabama 47
- Construction companies in Alabama 47
- AI-native companies in Alabama 43
- Banking companies in Alabama 41
- Real Estate companies in Alabama 39
The same list elsewhere in United States
- Public sector organisations in the United States 2,527
- Public sector organisations in California 337
- Public sector organisations in Texas 233
- Public sector organisations in New York State 118
- Public sector organisations in North Carolina 88
- Public sector organisations in Florida 85
- Public sector organisations in Virginia 83
- Public sector organisations in Washington State 82
- Public sector organisations in Illinois 76
- Public sector organisations in Michigan 74
- Public sector organisations in Georgia 70
- Public sector organisations in Ohio 70
- Public sector organisations in Pennsylvania 66
- Public sector organisations in Maryland 64
- Public sector organisations in Massachusetts 56
- Public sector organisations in Colorado 53
- Public sector organisations in Arizona 51
- Public sector organisations in Missouri 51
- Public sector organisations in Minnesota 50
- Public sector organisations in New Jersey 48
- Public sector organisations in Wisconsin 48
- Public sector organisations in South Carolina 47
- Public sector organisations in Indiana 46
- Public sector organisations in Washington 51