| # | Company | Employees |
|---|---|---|
| 1 |
Ascensionhealthcare.ascension.org
A faith-based healthcare organization focused on providing compassionate care to those in need across the US through various services and programs |
66,381 |
| 2 |
Edward Jonesedwardjones.com
Provides personalized financial advisory and investment services through a large network of advisors to help clients achieve financial goals. |
45,845 |
| 3 |
Centene Corporationcentene.com
Providing affordable, high-quality healthcare plans for Medicaid, Medicare, and marketplace members, focusing on under-insured and uninsured individuals nationwide. |
36,022 |
| 4 | 30,240 | |
| 5 |
BJC Healthbjc.org
One of the largest nonprofit health care organizations in the US, focused on providing a wide range of healthcare services in St Louis and southern Illinois regions |
29,641 |
| 6 |
SSM Healthssmhealth.com
Provides innovative, sustainable, and compassionate Catholic healthcare services including hospitals, physician offices, home care, hospice, pharmacy, and insurance. |
20,202 |
| 7 |
Children's Mercychildrensmercy.org
Specialized pediatric healthcare provider focusing on exceptional care, innovative research, and education to improve children's health and well-being. |
8,393 |
| 8 |
Stifel Financial Corp.stifel.com
Providing brokerage, trading, investment banking, advisory, and trust services to individuals, businesses, and municipalities across the U.S. |
7,384 |
| 9 |
Saint Luke'ssaintlukeskc.org
A faith-based health system providing excellence in healthcare services, including specialized programs and hospitals across the Kansas City region |
6,749 |
| 10 |
Barnes-Jewish Hospitalbarnesjewish.org
Flagship hospital of BJC HealthCare offering advanced cancer treatment through the only National Cancer Institute-designated Comprehensive Cancer Center in Missouri. |
6,733 |
| 11 |
Commerce Bankcommercebank.com
A regional bank offering a full range of financial services, including banking, loans, credit cards, and wealth management, focused on customer relationships and community support |
5,058 |
| 12 |
St. Luke's Hospitalstlukes-stl.com
An independent, nonprofit healthcare provider offering personalized healthcare services at multiple locations in the St Louis area, focused on improving quality of life |
4,878 |
| 13 |
CoxHealthcoxhealth.com
A leading healthcare provider in southwest Missouri with six hospitals, 80+ clinics, 5 ERs, and 13,000+ employees dedicated to improving community health |
4,842 |
| 14 |
Accredo Specialty Pharmacyaccredo.com
specialty pharmacy providing personalized care and medication management for patients with chronic, complex, and rare conditions through expert clinical teams |
3,599 |
| 15 |
University of Missouri Health Caremuhealth.org
A premier academic medical center in Missouri offering a full spectrum of care, from primary to specialized treatment for severe illnesses and injuries |
2,962 |
| 16 |
University Health KCuniversityhealthkc.org
Academic health system offering acute care, behavioral health, primary care, specialty clinics, trauma services, and teaching medical professionals. |
2,929 |
| 17 |
Central Bankcentralbank.net
Privately held bank serving multiple states with community-focused banking, advanced technology, local lending decisions, and extensive ATM network. |
2,885 |
| 18 |
St. Louis Children's Hospitalstlouischildrens.org
A leading pediatric teaching hospital offering comprehensive medical care, education, and injury-prevention programs with a team dedicated to children's well-being |
2,635 |
| 19 |
North Kansas City Hospitalnkch.org
A leading healthcare provider in the Northland with a focus on providing quality care, a wide range of medical services, and community wellness programs |
2,287 |
| 20 |
Suddenlink Communicationsoptimum.com
The company is a leading cable operator in the US, providing information, communication, and entertainment services to residential and commercial customers in multiple states |
2,260 |
| 21 |
Freeman Health Systemfreemanhealth.com
A locally owned, nationally recognized health system providing a wide range of medical services, including behavioral health, with career opportunities and generous benefits |
2,221 |
| 22 |
Missouri Department of Transportationmodot.org
Manage Missouri's transportation infrastructure including roads, bridges, railroads, airports, and ports ensuring safety, reliability, and economic development. |
2,147 |
| 23 |
Air Evac Lifeteamlifeteam.net
A leading provider of helicopter air ambulance services that offers rapid access to definitive healthcare during life-threatening emergencies within the Global Medical Response family |
1,923 |
| 24 |
Evergylinkedin.com
The company delivers energy to communities in Kansas and Missouri, prioritizing sustainability, safety, and a people-first mindset to empower a better future |
1,895 |
| 25 |
Mosaic Life Caremymlc.com
Health care provider focusing on holistic wellness through innovative life-care model, safe and high-quality care, and collaboration with Mayo Clinic |
1,888 |
| 26 |
Federal Reserve Bank of Kansas Citykansascityfed.org
A regional Reserve Bank in the Federal Reserve System with 1,500 employees across multiple offices, focused on promoting a stable economy and protecting the banking system |
1,797 |
| 27 |
Enterprise Bank & Trustenterprisebank.com
An organization committed to guiding individuals toward financial success by empowering businesses, securing families' futures, and investing in communities through personal service |
1,725 |
| 28 |
Compass Health Networkcompasshealthnetwork.org
Providing compassionate and quality care to improve physical and emotional health, offering innovative services to meet community needs with integrity |
1,637 |
| 29 |
CFIcfidrive.com
This company provides truckload, temperature-controlled, and Mexico services including LTL and TL trucking, transloading, consolidation, brokerage, and cross-border expertise #peopledrivepossibility |
1,628 |
| 30 |
SSM Health Saint Louis University Hospitalssmhealth.com
An academic medical center affiliated with Saint Louis University School of Medicine, offering cutting-edge treatments, research, and compassionate care to patients |
1,563 |
| 31 |
St. Anthony's Medical Centermercy.net
A leading medical center providing advanced medical treatment in various specialties and services to communities in Missouri and Illinois Staffed by skilled professionals |
1,542 |
| 32 |
Missouri Baptist Medical Centermissouribaptist.org
A member of BJC HealthCare, providing world-class medical treatments, innovative technology, and career development opportunities in a compassionate environment |
1,486 |
| 33 |
Federal Reserve Bank of St. Louisstlouisfed.org
The company serves as a central bank of the United States, conducting monetary policy, regulating banks, providing payment services, and promoting community development and financial education |
1,431 |
| 34 |
Missouri Department of Health and Senior Serviceshealth.mo.gov
Promoting health and safety for all Missourians through prevention, collaboration, education, innovation, and responsive services with integrity, excellence, and accountability |
1,326 |
| 35 |
SSM Health St. Louisssmhealth.com
A Catholic, not-for-profit health system known for using quality measures to improve care, with hospitals and facilities in the St Louis region |
1,314 |
| 36 |
Boone Healthboone.health
A leading regional hospital center providing quality healthcare in cardiovascular medicine, obstetrics, neurology, oncology, orthopedics, and surgical services with excellent patient service |
1,300 |
| 37 |
Blue Cross and Blue Shield of Kansas Citybluekc.com
Independent not-for-profit health insurance provider serving over one million members in Kansas City and surrounding counties, focusing on affordable healthcare access. |
1,288 |
| 38 |
BJC HealthCarebjc.org
Nonprofit healthcare organization providing integrated hospital services, focusing on community health, innovation, education, and exceptional patient care across Missouri and Illinois. |
1,279 |
| 39 |
Research Medical Centerhcamidwest.com
Specialized healthcare provider with a 590-bed hospital in Kansas City offering advanced technology, emergency services, specialized programs, and medical specialties |
1,222 |
| 40 |
Liberty Hospitallibertyhospital.org
The company is focused on providing health solutions and creating a space where individuals can improve and maintain their well-being |
1,178 |
| 41 |
Kansas City Southernkcsouthern.com
Transportation holding company with railroad investments in the U.S., Mexico, and Panama, linking major commercial and industrial centers. |
1,147 |
| 42 |
Insituform Technologiesazuria.com
A global leader in pipeline rehabilitation, specializing in CIPP technology to repair aging and defective pipelines, offering cost-effective and non-disruptive solutions |
1,067 |
| 43 |
Saint Francis Healthcare Systemsfmc.net
A healthcare system founded in 1875, providing compassionate care and innovative medical treatments to serve over 713,000 people across multiple states |
1,046 |
| 44 |
GoJet Airlinesgojetairlines.com
A premier regional airline operating as United Express, flying Bombardier CRJ-550 with first-class, economy plus, and coach cabins, based in St Louis |
993 |
| 45 |
Burrell Behavioral Healthburrellcenter.com
A leading behavioral health center in Missouri, providing care for over 40,000 clients through a network of 400+ licensed providers |
988 |
| 46 |
City of Springfield, Missourispringfieldmo.gov
The city of Springfield offers diverse attractions, dining options, and cultural activities, with various career opportunities, competitive pay, benefits, and community involvement |
972 |
| 47 |
Great Southern Bankgreatsouthernbank.com
A multi-state bank offering comprehensive banking products and services, committed to building relationships with customers, communities, and shareholders |
890 |
| 48 |
PROENERGYproenergyservices.com
Integrated service provider delivering cost-effective, safe, and reliable solutions to the global energy industry with offices in multiple countries |
866 |
| 49 |
Bi-State Developmentbistatedev.org
A dynamic organization focused on economic development, public transit, regional freight logistics, and infrastructure improvements in the St Louis region since 1949 |
852 |
| 50 |
BJC Medical Groupbjc.org
A healthcare group with over 600 doctors providing personalized care in St Louis, mid-Missouri, and southern Illinois, backed by top resources and recognized as a top workplace |
836 |
| 51 |
SSM Health Cardinal Glennon Children's Hospitalssmhealth.com
A non-profit Catholic pediatric hospital providing high-quality care to children with complex conditions, located in St Louis, MO |
824 |
| 52 |
Citizens Memorialcitizensmemorial.com
Healthcare provider in Bolivar, Missouri offering a full range of medical and surgical services, including specialist clinics and long-term care facilities |
821 |
| 53 |
Phelps Healthphelpshealth.org
Healthcare organization offering a variety of job opportunities, including clinical and non-clinical roles, focused on integrity, compassion, innovation, and philanthropy |
782 |
| 54 |
Lake Regional Health Systemlakeregional.com
Comprehensive healthcare services provider in the Lake of the Ozarks region, offering state-of-the-art hospital facilities, specialized physicians, and various clinics and pharmacies |
761 |
| 55 |
Scottradescottrade.com
Financial services firm that partners with retail clients to provide trading services and investment solutions, offering advanced online products and a nationwide branch network |
723 |
| 56 |
St. Mary's Medical Centerstmaryskc.com
Provides compassionate acute care, 24-hour emergency services, surgical procedures, and specialized treatment for stroke, chest pain, joint health, and wound care. |
717 |
| 57 |
HNB Bankhnbbanks.com
This company is a national bank that was originally established in 1888 as the Bank of Hannibal in Missouri |
696 |
| 58 |
Hannibal Regionalhannibalregional.org
A healthcare system with deep community roots, providing modern medical services through a dedicated team of nearly 1,000 professionals |
670 |
| 59 |
Ozarks Healthcareozarkshealthcare.com
A not-for-profit healthcare system in south-central Missouri and north-central Arkansas, offering hospital services, clinics, rehabilitation, and home care |
628 |
| 60 |
City Utilities of Springfieldcityutilities.net
A community-owned utility company in southwest Missouri providing electricity, natural gas, water, broadband, and transit services with competitive prices and hometown service |
624 |
| 61 |
Missouri Farm Bureaumofbinsurance.com
A multi-line insurance company in Missouri providing auto, home, life, and business insurance products with top ratings for security |
606 |
| 62 |
Capital Region Medical Centercrmc.org
A 100-bed hospital in Jefferson City providing a wide range of medical services, including obstetrics, orthopaedics, cardiac care, oncology, and rehabilitation |
582 |
| 63 |
Fulton State Hospitallinktr.ee
Fulton State Hospital provides treatment and rehabilitation services for individuals with mental health disorders, developmental disabilities, and forensic patients, specializing in diverse diagnoses |
582 |
| 64 |
Academy Bankacademybank.com
A family-owned bank offering affordable, accessible credit and retail banking services through branches, ATMs, online banking, and mobile banking |
572 |
| 65 |
Metropolitan St. Louis Sewer Districtmsdprojectclear.org
A public agency in St Louis responsible for wastewater and stormwater management, serving a population of 13 million with 7 treatment facilities |
559 |
| 66 |
Socket Fibersocket.net
A Missouri-based telecommunications provider offering high-speed internet, telephone services, and fiber-optic network expansion to homes and businesses with local support |
383 |
| 67 |
First Bank of the Lakefblake.bank
A customer-focused bank offering a full range of banking products and services to help individuals and businesses achieve their financial goals |
206 |
| 68 |
ITF GROUPitfgroup.com
A diverse and growing company specializing in FL & LTL load management across the USA and Canada, focused on delivering high-quality transport services |
166 |
| 69 |
Neighbors Credit Unionneighborscu.org
A top credit union in Missouri offering financial services, education, and products to individuals, families, and businesses with a focus on member satisfaction and empowerment |
125 |
| 70 |
Legacy Bank and Trustlegacybankandtrust.com
A community-focused bank providing innovative banking solutions, fostering local growth, building strong relationships, and helping customers and businesses thrive |
115 |
| 71 |
Jaguar Transport Holdings, LLCjag-transport.com
A logistics company offering trucking, warehousing, rail, and transloading services with a focus on innovating sustainable solutions and personalized service |
83 |
| 72 |
UMB Financial Corpumbfinancial.com
A diversified financial holding company providing banking services, investment management, asset servicing, and payment solutions to customers in the US and globally |
61 |
| 73 |
Central Electric Power Cooperativecepc.net
Electric generation and transmission cooperative serving central Missouri, owned by eight distribution cooperatives and covering a 22,000 square mile area |
46 |
| 74 |
Farmers' Electric Cooperative, Inc.fec-co.com
Member-owned utility providing electric service to over 12,800 connections in nine northwest Missouri counties, with a focus on safety, member satisfaction, and reliable power delivery |
45 |
| 75 |
Rogers Trucking Inc.rogerstruckingky.com
Family-owned truckload carrier based in Columbia, Kentucky since 1965, offering exceptional service in transportation across 48 states and Canada with a focus on customer satisfaction and employee well-being |
41 |
| 76 |
Citizens Bank of the Midwestcbmw.bank
A financial institution offering a wide range of banking services to individuals and businesses, focusing on trust and personalized customer relationships |
8 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 Missouri
- The largest companies in Missouri 1,365
- Hospitals and Health Care companies in Missouri 118
- Retail chains in Missouri 103
- Financial services firms in Missouri 85
- Education providers in Missouri 70
- Healthcare providers in Missouri 70
- Higher Education companies in Missouri 70
- Manufacturers in Missouri 67
- Construction companies in Missouri 60
- IT Services and IT Consulting companies in Missouri 59
- Public sector organisations in Missouri 51
- Financial Services companies in Missouri 50
- Family-owned companies in Missouri 47
- Insurance companies in Missouri 40
- Truck Transportation companies in Missouri 36
- IT services companies in Missouri 36
- Contract manufacturers in Missouri 35
- Distributors and wholesalers in Missouri 34
- Non-profit Organizations companies in Missouri 33
- Primary and Secondary Education companies in Missouri 33
- Machinery Manufacturing companies in Missouri 31
- Food and Beverage Services companies in Missouri 30
- Retail companies in Missouri 29
- Banking companies in Missouri 28
The same list elsewhere in United States
- Critical infrastructure operators in the United States 3,791
- Critical infrastructure operators in Texas 396
- Critical infrastructure operators in California 293
- Critical infrastructure operators in New York State 278
- Critical infrastructure operators in Florida 188
- Critical infrastructure operators in Illinois 178
- Critical infrastructure operators in Pennsylvania 151
- Critical infrastructure operators in Alabama 116
- Critical infrastructure operators in North Carolina 109
- Critical infrastructure operators in Massachusetts 108
- Critical infrastructure operators in Ohio 105
- Critical infrastructure operators in Michigan 93
- Critical infrastructure operators in New Jersey 91
- Critical infrastructure operators in Virginia 90
- Critical infrastructure operators in Indiana 89
- Critical infrastructure operators in Washington State 89
- Critical infrastructure operators in Colorado 86
- Critical infrastructure operators in Georgia 83
- Critical infrastructure operators in Tennessee 83
- Critical infrastructure operators in Minnesota 81
- Critical infrastructure operators in Arizona 69
- Critical infrastructure operators in Wisconsin 68
- Critical infrastructure operators in Houston 122
- Critical infrastructure operators in New York 116