| # | Company | Employees |
|---|---|---|
| 1 |
Hy-Vee, Inc.hy-vee.com
Operate over 563 supermarkets across nine Midwestern states, focusing on quality, variety, convenience, healthy lifestyles, and excellent customer service. |
93,000 |
| 2 |
Principal Financial Groupprincipal.com
Provides retirement planning, investment management, and insurance products globally to help individuals and businesses build long-term wealth and achieve overall financial security. |
24,405 |
| 3 |
Casey'scaseys.com
A convenience store chain founded in 1959, known for clean stores, friendly service, fresh food, and a focus on small communities |
20,674 |
| 4 |
World Financial Group (WFG)worldfinancialgroup.com
Empowering individuals to become financial services entrepreneurs and provide families access to knowledge, products, and resources for a better future |
19,350 |
| 5 |
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 |
| 6 |
Wells Fargo Home Mortgagewellsfargo.com
A retail mortgage lender providing construction, renovation, home buying, refinancing, jumbo, adjustable-rate, and reverse mortgages to homeowners and homebuyers |
13,964 |
| 7 |
Iowa State Universityiastate.edu
Most student-centered public research university in the nation, focusing on research for its students. |
12,561 |
| 8 |
UnityPoint Healthunitypoint.org
Not-for-profit health system providing hospital, clinic, and home health services across Iowa, Illinois, and Wisconsin with patient-centered care. |
10,341 |
| 9 |
B/E Aerospacertx.com
Design, develop, manufacture aircraft cabin seating, lighting, oxygen, galley, water, waste, lavatory systems, plus customization and certification services. |
9,969 |
| 10 |
Rockwell Collinsrtx.com
Provider of flight deck avionics, cabin electronics, mission communications, and simulation services for commercial and military aviation customers worldwide. |
7,957 |
| 11 |
MercyOnemercyone.org
Integrated system of hospitals and clinics providing accessible care, training caregivers, and improving community well-being with a dedication to compassion, transformation, and trust |
7,091 |
| 12 |
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 |
| 13 |
HNI Corporationhnicorp.com
Manufacturing and supplying high-quality office and home furniture products, focusing on innovation, customer service, and continuous improvement. |
5,248 |
| 14 |
Pella Corporationpella.com
This company innovates, designs, builds, and delivers high-quality windows and doors with integrity, pride, and a focus on perfection |
5,011 |
| 15 |
Mercy Cedar Rapidsmercycare.org
Provider of personalized healthcare services with advanced technologies, dedicated staff, and compassionate philosophy for patients and employees in Iowa |
4,878 |
| 16 | 4,574 | |
| 17 |
CRST The Transportation Solution, Inc.crst.com
A transportation and logistics company founded in 1955, offering solutions such as team expedited, flatbed, dedicated services, and home delivery |
3,730 |
| 18 |
Des Moines Public Schoolsdmschools.org
Public school district offering comprehensive curriculum, supporting diverse students, preparing them for college, careers, and global citizenship. |
3,663 |
| 19 |
Mansoura Universitymans.edu.eg
Provides facilities services including maintenance and management for buildings and infrastructure in Mansoura, Egypt, ensuring operational efficiency. |
3,442 |
| 20 |
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 |
| 21 |
BHlivebh.com
Multifamily property management and ownership with a focus on innovation, team investment, and ethical business practices nationwide. |
3,341 |
| 22 |
Workivaworkiva.com
Provides a secure, audit-ready, AI-powered collaborative platform for finance, accounting, sustainability, risk, and audit teams to connect data and unify processes. |
3,297 |
| 23 |
Meredith Corporationpeople.inc
A leading media company producing trusted content across digital, print, and TV platforms, engaging 95% of American women with iconic brands |
3,258 |
| 24 |
Farm Bureau Financial Servicesfbfs.com
Providing insurance products and financial planning services including auto, home, life, farm, business insurance, wealth management, and advisory services. |
2,583 |
| 25 |
Vermeer Corporationvermeer.com
A leading manufacturer of agricultural and industrial equipment, designing, building, and supporting tough yellow iron to help customers worldwide |
2,574 |
| 26 |
LCSlcsnet.com
Leading provider of senior lifestyle products/services, specializing in Life Plan Communities, independent living, assisted living, memory care, real estate, insurance, and in-home care nationwide |
2,561 |
| 27 |
F&Gfglife.com
Established in 1959, headquartered in Des Moines, Iowa, providing unique life insurance and annuity solutions nationwide with a focus on financial security |
2,406 |
| 28 |
Fareway Stores, Inc.fareway.com
Midwest grocery company with over 130 store locations, prioritizing family values, personalized service, quality food, and employee satisfaction Visit website for career opportunities |
2,401 |
| 29 |
Pizza Ranchpizzaranch.com
A Midwest-based restaurant chain offering pizza, chicken, and salad buffet, delivery, and community engagement through fundraisers and partnerships |
2,363 |
| 30 |
Ruan Transportation Management Systemsruan.com
Family-owned transportation provider offering Dedicated Contract Transportation, Managed Transportation, Warehousing, and Brokerage Support Services with over 90 years of experience Operating nationwide |
2,339 |
| 31 |
Principal Asset Managementprincipalam.com
Providing customized investment solutions through a multi-boutique platform to help individuals and institutions achieve their financial goals. |
2,317 |
| 32 |
Primary Health Care, Inc (PHC)phciowa.org
Provider of comprehensive healthcare and supportive services for vulnerable populations in central Iowa, offering medical, dental, behavioral health, pharmacy, HIV care, and homeless support |
2,299 |
| 33 |
MidAmerican Energy Companymidamericanenergy.com
Energy company serving over 15 million customers in Iowa, Illinois, Nebraska, and South Dakota, providing timely and relevant information on energy-related topics |
2,295 |
| 34 |
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 |
| 35 |
TMC Transportationtmctrans.com
A leading employee-owned flatbed carrier and logistics provider offering efficient transportation solutions for a variety of freight nationwide |
2,226 |
| 36 | 2,209 | |
| 37 |
Wellmark Blue Cross and Blue Shieldwellmark.com
This company provides health coverage to over 2 million members in Iowa and South Dakota, part of a national network insuring over 100 million people |
2,195 |
| 38 |
EMC Insurance Companiesemcinsurance.com
Provides property and casualty insurance products and services across the United States with a focus on workersโ compensation protection. |
2,149 |
| 39 |
Von Maurvonmaur.com
A family-owned retail company with 37 stores across 15 states offering brand-name merchandise, unique shopping experiences, and exceptional customer service |
2,114 |
| 40 |
Atheneathene.com
Provides retirement income and savings products, fixed annuities, reinsurance, and institutional pension solutions across multiple countries. |
2,049 |
| 41 |
Wells Enterpriseswellsenterprisesinc.com
Leading ice cream manufacturer in the US, producing over 900 frozen treats under iconic brands, distributed nationally in various retail and foodservice settings |
1,977 |
| 42 |
Drake Universitylinktr.ee
Private university in Des Moines, Iowa offering undergraduate and graduate programs in various fields with a focus on intimate class sizes and successful career outcomes |
1,882 |
| 43 |
Infinityinfinitydelivers.com
An award-winning inside sales agency and consulting firm with 20+ years of experience helping B2B companies maximize sales, revenue, and exceed goals |
1,796 |
| 44 |
Integrated DNA Technologiesidtdna.com
Provider of genomics products and services collaborating with scientific and health partners to accelerate breakthroughs and improve human health. |
1,749 |
| 45 |
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 |
| 46 | 1,725 | |
| 47 |
Genesis Health Systemmercyone.org
Comprehensive healthcare services including hospitals, home health, hospice, primary care, specialty clinics, senior living, and medical equipment across Eastern Iowa and Western Illinois. |
1,652 |
| 48 |
Sammons Financial Group Companiessammonsfinancialgroup.com
A privately held financial group providing life insurance, annuities, and retirement products with a values-based culture and commitment to communities |
1,603 |
| 49 |
Lee Enterpriseslee.net
A leading provider of local news and information through daily newspapers, digital products, and weekly publications in 26 states |
1,591 |
| 50 |
National Speech & Debate Association (NSDA)speechanddebate.org
National society fostering student growth through speech and debate, cultivating communication skills, critical thinking, and ethical engagement in democracy |
1,549 |
| 51 |
Transamerica Agency Networktransamericaagencynetwork.com
This company helps clients save, protect, and prepare for retirement with a focus on improving health and financial well-being through education and strategies |
1,535 |
| 52 |
iPhone Life magazineiphonelife.com
Publisher of iPhone Life magazine and previous publications, distributing print and digital content to iOS enthusiasts worldwide Top-selling digital publication on Apple Newsstand |
1,459 |
| 53 |
Grinnell Collegegrinnell.edu
This company provides a liberal arts education through free inquiry, emphasizing critical thinking, communication skills, and the pursuit of knowledge for the common good |
1,441 |
| 54 |
GrapeTree Medical Staffinggrapetree.com
Healthcare staffing agency providing professionals for short or long-term shifts across the Midwest, utilizing technology for efficient scheduling Recognized for quality and rapid growth |
1,425 |
| 55 |
Hirschbachhirschbach.com
A leading refrigerated carrier delivering time-sensitive freight across 48 states, offering a range of services including Dedicated, Expedited, and Logistics Solutions |
1,406 |
| 56 |
Per Mar Security Servicespermarsecurity.com
A leading security solutions provider in the Midwest offering residential and business security services including alarms, monitoring, surveillance, investigations, and background checks |
1,381 |
| 57 |
CDS Globalcds-global.com
Subscription management and order fulfillment services for media, nonprofits, education, utilities, and consumer products with data-driven customer engagement. |
1,357 |
| 58 |
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 |
| 59 |
Holmes Murphyholmesmurphy.com
Independent brokerage specializing in risk management and benefits consulting, serving diverse clients with personalized, client-focused advocacy and exceptional service. |
1,301 |
| 60 |
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 |
| 61 |
Cambridge Investment Research, Inc.joincambridge.com
A financial services company providing innovative solutions for wealth management, retirement planning, investment advising, and business succession for independent advisors and entrepreneurs |
1,284 |
| 62 |
Musco Lightingmusco.com
A leading company specializing in designing and manufacturing sports and transportation lighting systems globally, with a track record of innovation since 1976 |
1,274 |
| 63 |
Wright Tree Servicewrighttree.com
An employee-owned company providing vegetation management services including utility line clearance, land clearing, and response to natural disasters for power restoration |
1,273 |
| 64 |
The Weitz Companyweitz.com
Full-service construction company specializing in design-build, general contracting, and construction management across industrial and commercial sectors nationwide. |
1,241 |
| 65 |
Stanley Consultantsstanleyconsultants.com
Award-winning consulting firm since 1913, providing program management, planning, design, engineering, and environmental services to diverse clients globally |
1,233 |
| 66 |
VIDAvidalung.ai
Healthcare technology company modernizing lung and respiratory care through AI-enabled software solutions, clinical trial services, and collaboration with industry thought leaders and healthcare organizations |
1,230 |
| 67 |
Iowa Army National Guardiowanationalguard.com
This military organization in Iowa consists of around 7,000 Soldiers and 2,000 Airmen, serving both the state and the country |
1,225 |
| 68 |
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 |
| 69 |
West Liberty Foodswlfoods.com
A leading protein processor producing turkey, ham, chicken, and beef products for retail and restaurant markets, with a focus on quality, safety, and sustainability |
1,201 |
| 70 |
Mom's Meals | A Purfoods Companymomsmeals.com
Provider of home-delivered meals and nutrition solutions for patients and seniors with chronic health conditions, disabilities, or limited mobility, partnering with healthcare organizations nationwide |
1,195 |
| 71 |
Davenport Community Schoolsdavenportschools.org
This school district in Davenport, Iowa, serves students in multiple locations with a total of 32 schools and a history of educational milestones |
1,180 |
| 72 |
Interstatesinterstates.com
A trusted partner for electrical, automation, and operational technology needs in industrial manufacturing and processing facilities worldwide, focused on collaborative, family-like teamwork |
1,158 |
| 73 |
Luther Collegeluther.edu
Undergraduate liberal arts college in Iowa offering over 60 majors, emphasizing faith, leadership, community service, and equal opportunity. |
1,149 |
| 74 |
Maharishi International Universitymiu.edu
This company offers Consciousness-Based education, emphasizing Transcendental Meditation and traditional academic degrees in a diverse, multicultural environment |
1,148 |
| 75 |
CBE Companiescbecompanies.com
A global provider of outsourced call center solutions, specializing in meeting regulatory requirements for federal contracts and Fortune 100 companies |
1,128 |
| 76 |
UnityPoint Health - St. Luke'sunitypoint.org
This company, known for connecting with communities, is no longer active but you can learn more about their mission on their official LinkedIn page |
1,094 |
| 77 |
University of Dubuquedbq.edu
A private university providing professional programs with a liberal arts core, preparing students for their purpose and meaningful contributions to the world |
1,075 |
| 78 |
UFG Insuranceufginsurance.com
An insurance company founded in 1946, offering property and casualty coverage in all 50 states through independent agencies with an A- rating from AM Best |
1,032 |
| 79 |
Sioux City Community School Districtsiouxcityschools.org
The Sioux City Community School District educates students to achieve academic excellence, believe in their talents, and reach their potential through tailored educational experiences |
1,023 |
| 80 |
MEP Jobsmepjobs.com
MEP Jobs is a specialized online job board for professionals in mechanical, electrical, and plumbing industries, connecting candidates with industry-specific employers |
1,022 |
| 81 |
Iowa Department of Transportationiowadot.gov
A transportation organization in Iowa focused on safety, customer service, leadership, and integrity to improve lives through transportation |
999 |
| 82 |
Des Moines University Medicine and Health Sciencesdmu.edu
A graduate medicine and health sciences university in West Des Moines, Iowa, founded in 1898 |
993 |
| 83 |
Graceland Universitygraceland.edu
Established in 1895, this company fosters learning communities for students to reach their potential through diverse academic programs and clubs |
990 |
| 84 |
Cottingham & Butlercottinghambutler.com
An innovative insurance broker offering property & casualty and employee benefit solutions with a commitment to delivering superior results and growth |
989 |
| 85 |
American Equityamerican-equity.com
Provides annuity products through independent agents to help individuals achieve dignified, peaceful retirements with reliable financial growth and community commitment. |
989 |
| 86 |
St. Ambrose Universitysau.edu
The company focuses on fostering growth that benefits individuals, communities, and the world, striving to bring positive transformation |
986 |
| 87 |
VGM Group, Inc.beacons.ai
Group of companies providing business growth solutions, career opportunities, and diverse services including marketing, fulfillment, insurance, and support. |
985 |
| 88 |
National Carwash Solutionsncswash.com
A leading provider in the vehicle care industry, offering full-service fluids, systems, and aftermarket support backed by a large service network |
983 |
| 89 |
Heartland Expressheartlandexpress.com
A leading transportation and logistics provider offering collaborative truckload solutions to top shippers, focused on improving customer satisfaction and supply chain value |
975 |
| 90 |
Upper Iowa Universityuiu.edu
Private, nonprofit university offering undergraduate and graduate degree programs through flexible online and in-person options to students nationally and internationally Dual enrollment and professional development available |
970 |
| 91 |
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 |
| 92 |
Palmer College of Chiropracticpalmer.edu
The company is a chiropractic college that helps students become successful practitioners through a rigorous curriculum and hands-on experience |
935 |
| 93 |
Central Collegecentral.edu
A private liberal arts college in Pella, Iowa known for academic rigor, leadership development, STEM education, athletics, and fostering a sense of community and service |
934 |
| 94 |
EFCO Forming & Shoring Solutionsefcoforms.com
EFCO provides safe, reliable, and cost-efficient concrete formwork solutions for construction projects, focusing on efficiency, quality, and customer service |
930 |
| 95 |
The Waldinger Corporationwaldinger.com
Mechanical, electrical, and sheet metal contracting services with a people-first approach, operating across the Midwest United States. |
927 |
| 96 |
Iowa Realtyiowarealty.com
Iowa's largest real estate brokerage based in Des Moines, with offices throughout the state Providing services for residential and commercial real estate buyers and sellers |
923 |
| 97 |
ITA Group, Inc.itagroup.com
It helps brands enhance sales and retention through events, incentives, and recognition, fostering connections and motivating employees and customers. |
922 |
| 98 |
Transamerica Life Insurance Companytalife.com
The company offers smart financial tools and products to help individuals build a secure future, serving as a trustworthy partner |
919 |
| 99 |
ChildServechildserve.org
Specializing in pediatric healthcare, this company provides support and services for children with developmental delays, disabilities, and special healthcare needs |
901 |
| 100 |
City of Des Moinesdsm.city
The company provides city services, infrastructure, and community involvement to enhance the quality of life for residents and visitors in Des Moines, Iowa |
898 |
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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.
More company lists in Iowa
- Higher Education companies in Iowa 51
- Hospitals and Health Care companies in Iowa 51
- Critical infrastructure operators in Iowa 50
- Financial services firms in Iowa 49
- Education providers in Iowa 47
- Manufacturers in Iowa 38
- Retail chains in Iowa 35
- Insurance companies in Iowa 35
- Healthcare providers in Iowa 28
- Financial Services companies in Iowa 28
- Machinery Manufacturing companies in Iowa 26
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