| # | Company | Employees |
|---|---|---|
| 1 |
University of Iowajobs.uiowa.edu
Top public research university in Iowa with diverse community and advanced technology, offering cultural, educational, and recreational activities on a scenic campus |
14,628 |
| 2 |
Iowa State Universityiastate.edu
Most student-centered public research university in the nation, focusing on research for its students. |
12,561 |
| 3 |
University of Iowa Health Careuihealthcare.org
Academic medical center delivering innovative education, pioneering research, and exceptional patient care with a focus on collaboration and equity. |
6,789 |
| 4 |
Des Moines Public Schoolsdmschools.org
Public school district offering comprehensive curriculum, supporting diverse students, preparing them for college, careers, and global citizenship. |
3,663 |
| 5 |
Mansoura Universitymans.edu.eg
Provides facilities services including maintenance and management for buildings and infrastructure in Mansoura, Egypt, ensuring operational efficiency. |
3,442 |
| 6 |
University of Northern Iowauni.edu
A university known for exceptional undergraduate education, offering top facilities and academic choices in a friendly, small-college atmosphere |
3,392 |
| 7 |
Des Moines Area Community Collegedmacc.edu
Public institution in Iowa offering 200+ programs, certificates, and transfer degrees to over 70,000 students with a commitment to lifelong success |
2,282 |
| 8 |
Kirkwood Community Collegekirkwood.edu
Offering top-notch education with exceptional faculty and facilities at an affordable price, ensuring personalized support for all students |
1,725 |
| 9 |
Cedar Rapids Community School Districtcrschools.us
A leading school district in Iowa offering diverse academic programs, experienced faculty, and a strong sense of community since 1855 |
1,311 |
| 10 |
Waukee Community School Districtwaukeeschools.org
Dedicated to optimizing individual learning, Waukee Community School District delivers a challenging curriculum for students to succeed globally Teachers collaborate on rigorous education |
1,295 |
| 11 |
UNIVERSITY OF IOWA HOSPITALS &CLINCS
A medical practice company located in Iowa City, Iowa, providing healthcare services at the University of Iowa Hospitals & Clinics on Hawkins Drive |
1,204 |
| 12 |
Iowa City Community School Districtiowacityschools.org
This educational organization in Iowa City offers K-12 schooling to a diverse student population across multiple elementary, junior high, and high schools |
945 |
| 13 |
Ankeny Community School Districtankenyschools.org
A premier public school district in the Midwest, dedicated to providing diverse students with academic, athletic, and extracurricular opportunities while promoting equity and inclusion |
854 |
| 14 |
Broadlawns Medical Centerbroadlawns.org
A leading medical center with over 100 physicians and 1,200 employees, providing high-quality healthcare through various services and training programs |
838 |
| 15 |
University of Iowa Roy J. and Lucille A. Carver College of Medicinemedicine.uiowa.edu
Highly ranked medical school training students to become skilled clinicians, researchers, and educators with a focus on problem-solving and patient care |
829 |
| 16 |
West Des Moines Community Schoolswdmcs.org
The school district offers a wide range of academic programs, personalized learning experiences, and opportunities for students to connect with their community Graduates are prepared for a diverse world |
812 |
| 17 |
Hawkeye Community Collegehawkeyecollege.edu
A community college in Waterloo, Iowa, offering over 45 career and transfer programs in various fields, serving thousands of students annually |
720 |
| 18 |
Linn-Mar Community Schoolslinnmar.k12.ia.us
A school district in Marion, Iowa serving 7,700 PreK-12 students with 12 school buildings, including elementary, intermediate, middle, and high schools |
642 |
| 19 |
Indian Hills Community Collegeindianhills.edu
A regionally accredited institution providing educational opportunities, economic development, cultural understanding, and social enrichment with student learning as the central focus |
624 |
| 20 |
Northeast Iowa Community Collegenicc.edu
The company provides accessible, affordable, quality education and training to meet community needs, promoting values of service, respect, innovation, stewardship, and integrity |
582 |
| 21 |
Western Iowa Tech Community Collegewitcc.edu
Western Iowa Tech Community College offers over 70 certificate and diploma courses with quality academics, affordable tuition, flexible learning options, and campus housing |
572 |
| 22 |
Iowa Central Community Collegeiowacentral.edu
An educational institution in Iowa that promotes school spirit and community engagement through social media channels #TritonNation |
554 |
| 23 |
Waukee Aspiring Professional Experience (APEX)apex.waukeeschools.org
Empowering high school students with real-world skills and experiences through collaboration with businesses to prepare them as global innovators and leaders |
546 |
| 24 |
Marshalltown Community School Districtmarshalltown.k12.ia.us
We provide a challenging and diverse curriculum to foster student growth and achievement, with a focus on social, emotional, and academic support |
509 |
| 25 |
Eastern Iowa Community Collegeeicc.edu
Education district offering Associate in Arts, Career Technology programs, Business and Industry classes, and Adult Education courses with a commitment to non-discrimination and equal opportunity |
503 |
| 26 |
Heartland AEAheartlandaea.org
The company partners with schools, families, and communities in Central Iowa to improve learning outcomes and well-being of children and youth |
503 |
| 27 |
Johnston Community School Districtjohnstoncsd.org
This school district in Iowa serves approximately 7,500 students from PreK through 12th grade with state-of-the-art facilities and a strong community partnership |
455 |
| 28 |
Iowa State University Extension and Outreachextension.iastate.edu
Facilitating connections between Iowans and Iowa State University resources for real impact, contributing to a strong Iowa presence in every county |
428 |
| 29 |
Cedar Falls Community School Districtcfschools.org
A school district in Cedar Falls that focuses on educating students to be lifelong learners and responsible citizens, with high achievements and strong community partnerships |
426 |
| 30 |
Iowa State University - Ivy College of Businessivybusiness.iastate.edu
The Iowa State University Debbie and Jerry Ivy College of Business provides top-quality business education with renowned faculty, preparing students to make a difference in the world |
412 |
| 31 |
Grant Wood Area Education Agencygwaea.org
With over 500 employees, this Iowa-based agency is dedicated to ensuring educational success for all learners in the area |
409 |
| 32 |
Bettendorf Community School Districtbettendorf.k12.ia.us
A school district dedicated to hiring qualified staff who work with families to develop well-rounded students who make a difference Apply online for opportunities |
391 |
| 33 |
Ames National Laboratoryameslab.gov
A national laboratory focused on solving energy-related problems through exploration of physics, chemistry, engineering, mathematics, and materials sciences |
366 |
| 34 |
North Iowa Area Community Collegeniacc.edu
A long-standing educational institution in North Iowa offering quality education with national recognition for student success, and celebrating its 100th anniversary in 2018 |
355 |
| 35 |
Green Hills AEAghaea.org
An educational agency in Iowa providing services to school districts such as counseling, special education, teacher training, and early childhood support |
353 |
| 36 |
University of Iowa Health Care Medical Center Downtownuihealthcare.org
The University of Iowa Health Care Medical Center Downtown is a 194-bed hospital committed to changing medicine and lives Providing interpreter services and nondiscrimination policies |
340 |
| 37 |
Urbandale Community School Districturbandaleschools.com
Dedicated to academic and co-curricular excellence, focusing on continuous improvement of student and staff learning in Urbandale Community School District |
332 |
| 38 |
Great Prairie Area Education Agencygpaea.org
Education service provider in southeast Iowa, serving over 35,000 students, 2,700 educators, and 39 public and non-public schools with leadership and support |
312 |
| 39 |
University of Iowa College of Dentistry and Dental Clinicsdentistry.uiowa.edu
The company advances oral health through education, research, and person-centered care for the people of Iowa and beyond |
249 |
| 40 |
WinnMedwinnmed.org
Charitable nonprofit hospital and clinic in Decorah, Iowa, offering a wide range of medical services, specialized care, and 24/7 emergency services |
248 |
| 41 |
Central Rivers Area Education Agency (AEA)centralriversaea.org
A regional education agency in Iowa providing specialized services to public and nonpublic schools to improve learning outcomes for children and youth |
237 |
| 42 |
Dallas Center-Grimes Community School Districtdcgschools.com
A rapidly growing school district in Iowa focused on developing citizens who are independent thinkers and lifelong learners through high expectations and dedicated educators |
225 |
| 43 |
Muscatine Power and Watermpw.org
A not-for-profit utility providing electricity, water, gigabit internet, TV, and phone services to the community while prioritizing customer satisfaction and community needs |
222 |
| 44 |
Southeastern Community Collegescciowa.edu
SCC provides a variety of degree programs for college transfer students and career programs to residents in Iowa, Illinois, Missouri, and worldwide |
215 |
| 45 |
Northwest Iowa Community Collegenwicc.edu
NCC offers high-quality programs in healthcare, manufacturing, business, and transportation, with a focus on accessibility, affordability, and community partnerships |
190 |
| 46 |
Iowa State Penitentiaryiowastatepen.com
A law enforcement company located in Fort Madison, IA focused on managing the Iowa State Penitentiary |
186 |
| 47 |
Harper Creek Community Schoolsharpercreek.net
A public school district in Battle Creek, Michigan, offering education from Kindergarten to Twelfth grade and early childhood programs Mission: Educate, Empower, Equip students |
185 |
| 48 |
Fort Dodge Community School Districtfdschools.org
The company provides quality and diverse education to over 3,500 students, fostering success in academics, arts, athletics, and activities |
184 |
| 49 |
The University of Iowa Institute for Clinical and Translational Science (ICTS)icts.uiowa.edu
The company is dedicated to advancing clinical and translational science through research, community partnerships, and technology for improved healthcare delivery and wellness |
21 |
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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 Nov 2, 2026.
More company lists in Iowa
- The largest companies in Iowa 691
- Manufacturers in Iowa 87
- Education providers in Iowa 86
- Critical infrastructure operators in Iowa 70
- Financial services firms in Iowa 69
- Retail chains in Iowa 56
- Higher Education companies in Iowa 52
- Hospitals and Health Care companies in Iowa 52
- Healthcare providers in Iowa 48
- Hardware manufacturers in Iowa 43
- Family-owned companies in Iowa 42
- Insurance companies in Iowa 38
- Financial Services companies in Iowa 34
- Construction companies in Iowa 28
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The same list elsewhere in United States
- Public sector organisations in the United States 4,148
- Public sector organisations in California 536
- Public sector organisations in Texas 360
- Public sector organisations in New York State 198
- Public sector organisations in Illinois 147
- Public sector organisations in North Carolina 140
- Public sector organisations in Washington State 139
- Public sector organisations in Florida 133
- Public sector organisations in Ohio 133
- Public sector organisations in Michigan 132
- Public sector organisations in Virginia 131
- Public sector organisations in Pennsylvania 123
- Public sector organisations in Georgia 116
- Public sector organisations in Alabama 112
- Public sector organisations in New Jersey 100
- Public sector organisations in Massachusetts 99
- Public sector organisations in Maryland 91
- Public sector organisations in Indiana 88
- Public sector organisations in Minnesota 84
- Public sector organisations in Arizona 82
- Public sector organisations in Colorado 80
- Public sector organisations in Missouri 78
- Public sector organisations in Wisconsin 75
- Public sector organisations in South Carolina 69