| # | Company | Employees |
|---|---|---|
| 1 |
Johns Hopkins Medicinehopkinsmedicine.org
Coordinates research, teaching, patient care, and related enterprises for the university's School of Medicine and health system, including hospitals and healthcare practices. |
39,325 |
| 2 |
University of Maryland Medical Systemumms.org
Multi-hospital system providing trauma, cancer, neuro, cardiac, women's, children's health, rehabilitation, and kidney transplant services across Maryland and beyond. |
15,960 |
| 3 |
Johns Hopkins Hospitalhopkinsmedicine.org
Leading hospital providing expert patient care, emergency services, and specialized medical support to local and international patients. |
14,032 |
| 4 |
Bon Secoursbonsecours.com
Not-for-profit Catholic health system operating hospitals, senior housing, home care, and hospice services across seven states on East Coast. |
10,384 |
| 5 |
MedStar Healthmedstarhealth.org
Not-for-profit health system providing medical care, education, research, and training with a patient-first approach in Maryland and Washington, D.C. |
10,037 |
| 6 |
The Johns Hopkins University School of Medicinehopkinsmedicine.org
Provider of top-ranked medical and graduate programs, clinical fellowships, residencies, basic science research opportunities, and medical art programs with renowned experts |
7,057 |
| 7 |
University of Maryland Medical Centerumm.edu
A renowned teaching hospital in Baltimore providing comprehensive healthcare services, specializing in trauma, cancer care, organ transplants, and minimally invasive surgeries since 1823 |
6,540 |
| 8 |
Indian Health Serviceihs.gov
A US government agency providing comprehensive healthcare services to American Indian and Alaska Native communities through various career opportunities and programs |
6,468 |
| 9 |
Erickson Senior Livingericksonseniorlivingcareers.com
Development and management of continuing care communities providing high-quality amenities, programs, and services for senior residents nationwide. |
5,630 |
| 10 |
LifeBridge Healthlifebridgehealth.org
Regional healthcare organization providing hospital services, primary and specialty care, wellness programs, and community health education in northwest Baltimore. |
4,617 |
| 11 |
Luminis Healthluminishealth.org
A nationally recognized health system in Maryland providing high-quality care at nearly 100 sites of care, prioritizing health equity and community partnerships |
4,547 |
| 12 |
Maxim Healthcare Servicesmaximhealthcare.com
Providing comprehensive healthcare services including skilled nursing, rehabilitation, companion care, and behavioral care for individuals with chronic illnesses and disabilities |
3,694 |
| 13 |
Adventist HealthCareadventisthealthcare.com
Faith-based healthcare organization in Maryland, dedicated to improving physical, mental, and spiritual health through hospitals, rehabilitation centers, home care, and physician networks |
3,422 |
| 14 |
HealthPRO Heritagehealthpro-heritage.com
A privately owned consulting and therapy management firm offering innovative, evidence-based therapy and wellness services for seniors across various care settings |
3,109 |
| 15 |
Holy Cross Healthholycrosshealth.org
A Catholic, not-for-profit health system in Maryland offering a full range of inpatient, outpatient, and community-based services to over 200,000 patients annually |
3,007 |
| 16 |
Kennedy Krieger Institutekennedykrieger.org
A renowned institute in Baltimore, MD, specializing in improving the lives of children and adolescents with brain, spinal cord, and musculoskeletal disorders |
2,841 |
| 17 |
GBMC HealthCaregbmc.org
A not-for-profit healthcare corporation with a regional hospital, primary care providers, specialists, and end-of-life care services, dedicated to patient-centered care |
2,603 |
| 18 |
Mercy Medical Center, Baltimore, MDcareers.mdmercy.com
Catholic health care facility in Baltimore providing cutting-edge medical services, recognized for excellence in nursing and various medical specialties |
2,352 |
| 19 |
MEP Health
MEP is a renowned emergency and outpatient care partner for hospitals, offering efficient, quality care and dynamic leadership to over 500,000 patients annually |
2,247 |
| 20 |
Brightview Senior Livingcareers.brightviewseniorliving.com
Brightview is a leading provider of vibrant senior living communities, offering rewarding careers with competitive salaries and exceptional benefits |
2,168 |
| 21 |
Anne Arundel Medical Centerlinkedin.com
This company is no longer active on LinkedIn Follow them @Luminis Health for updates on their services and operations |
2,046 |
| 22 |
Walter Reed National Military Medical Centerwalterreed.tricare.mil
Largest joint military medical center providing specialized healthcare, education, research, and operational readiness for wounded and ill military beneficiaries. |
1,920 |
| 23 |
Aledade, Inc.aledade.com
Support independent primary care practices with data analytics, care solutions, and value-based contracts to improve patient health and financial success. |
1,910 |
| 24 |
Frederick Healthfrederickhealth.org
Comprehensive healthcare services including a hospital, medical group, employer solutions, home care, and hospice, serving Frederick County, MD |
1,790 |
| 25 |
Commissioned Corps of the U.S. Public Health Serviceusphs.gov
A team of over 6,500 skilled public health professionals dedicated to protecting, promoting, and advancing the health and safety of the Nation |
1,694 |
| 26 |
TidalHealthtidalhealth.org
Health system on Delmarva Peninsula focused on quality care and community impact Committed to improving health in resilient communities through connected teamwork |
1,636 |
| 27 |
US Fertilityusfertility.com
Leader in reproductive medicine and IVF services, supporting physicians and couples in building families through innovative science and advanced technology |
1,604 |
| 28 |
Meritus Healthmeritushealth.com
A leading healthcare provider in Western Maryland with over 3,000 employees, serving over 200,000 residents with 327 beds and 160 providers |
1,579 |
| 29 |
University of Maryland Baltimore Washington Medical Centerumbwmc.org
A 285-bed acute-care facility part of the University of Maryland Medical System, providing high-quality healthcare services including various specialized centers and services |
1,446 |
| 30 |
Johns Hopkins Health Plansjobs.hopkinsmedicine.org
Provider of health insurance services for three health care plans, managing claims, customer service, network development, outcomes research, and disease/care management for over 400,000 members |
1,344 |
| 31 |
Suburban Hospitalhopkinsmedicine.org
A non-profit hospital in Maryland, offering cutting-edge medical services and distinguished stroke, trauma, cardiac, orthopedic, neuroscience, and oncology programs |
1,328 |
| 32 |
MedStar Franklin Square Medical Centermedstarhealth.org
A top community teaching hospital providing leading-edge medical services, recognized for excellence in nursing and quality care Contact for appointments |
1,190 |
| 33 |
Johns Hopkins Howard County Medical Centerhopkinsmedicine.org
Providing award-winning health care services to improve community health through innovation, collaboration, service excellence, diversity, and patient safety since 1973 |
1,162 |
| 34 |
Shady Grove Fertilityshadygrovefertility.com
A leading fertility and IVF center with over 100,000 babies born, offering individualized care, virtual consultations, insurance coverage, and innovative financial options for treatment |
1,078 |
| 35 |
TridentCaretridentcare.com
A leading provider of portable clinical services, offering diagnostic imaging, laboratory, vascular, and oxygen services nationwide, bringing medical professionals and technology directly to patients |
1,044 |
| 36 |
FutureCare Healthfuturecare.com
Family-owned healthcare organization in Baltimore that prioritizes staff growth and fulfillment, values input, and provides top-notch care for residents |
1,002 |
| 37 |
Carroll Hospitallifebridgehealth.org
A community hospital turned medical center offering top-notch programs and services, such as Family Birthplace, surgical services, Imaging Center, and wellness center |
982 |
| 38 |
Nexion Healthnexion-health.com
Provider of nursing & rehabilitation services in Texas, Louisiana, Mississippi, and Colorado Specializing in skilled nursing care, rehabilitation, therapy services, and short-term stays Connect with us on social media |
953 |
| 39 |
MedStar Union Memorial Hospitalmedstarhealth.org
A leading not-for-profit acute care teaching hospital specializing in cardiac care, orthopaedics, sports medicine, and various outpatient services in Maryland |
910 |
| 40 |
UM Upper Chesapeake Healthumuch.org
A not-for-profit health care system in northeastern Maryland, providing clinical expertise, advanced technology, and community-focused services for residents' wellness and health education |
902 |
| 41 |
Howard County General Hospitalhopkinsmedicine.org
Providing award-winning healthcare services since 1973, committed to improving community health through innovation, collaboration, diversity, service excellence, and patient safety |
843 |
| 42 |
University of Maryland St. Joseph Medical Centerumstjoseph.org
A not-for-profit community hospital offering a wide range of clinical programs and centers of excellence, committed to zero patient harm and exceptional care |
835 |
| 43 |
MedStar Southern Maryland Hospital Centermedstarhealth.org
A full-service acute care facility offering emergency care, critical care, outpatient services, behavioral health programs, cancer treatment, and community health promotion initiatives |
741 |
| 44 |
MedStar Harbor Hospitalmedstarhealth.org
A community-focused hospital offering state-of-the-art healthcare services, governed by a board of trustees, and dedicated to meeting patients' needs |
731 |
| 45 |
Fundamentalfundltc.com
The company focuses on transforming long term care facilities into life-affirming environments with dedicated caregivers providing high-quality care for seniors nationwide |
711 |
| 46 |
Stella Maris Incstellamaris.org
A nonprofit long-term care facility offering health, residential, hospice, dementia care, counseling, rehabilitation, pastoral, and senior day center services |
710 |
| 47 |
Peninsula Regional Medical Centertidalhealth.org
Health system with hospitals, health campuses, and doctor's offices across multiple locations dedicated to enhancing the well-being of communities served |
709 |
| 48 |
CalvertHealthcalverthealthmedicine.org
A private, not-for-profit hospital in Southern Maryland providing high-quality care, with a wide range of specialties and community-focused services |
691 |
| 49 |
Doctors Community Medical Centerlinkedin.com
Their LinkedIn account is now inactive For updates, follow them on their new account @LuminisHealth |
686 |
| 50 |
Department of Health & Human Servicesryanwhite.hrsa.gov
This company serves as the homepage for HRSA's Bureau of Health Professions HIV/AIDS Programs, providing information and resources |
649 |
| 51 |
Frederick Regional Health Systemfrederickhealth.org
A private, not-for-profit 298 bed hospital in Frederick offering education on healthy lifestyle choices, disease prevention, outpatient care, and immediate care services |
633 |
| 52 |
UPMC Western Marylandwmhs.com
A healthcare provider offering general and specialty medical services, diagnostic testing, and health promotion activities to improve community health |
621 |
| 53 |
Asbury Communities, Inc.asbury.org
A leader in aging services, providing vibrant retirement living, long-term care, and innovative wellness opportunities for older adults across four states |
617 |
| 54 |
MedStar Montgomery Medical Centermedstarhealth.org
Acute care hospital providing emergency services, inpatient beds, wellness programs, and community health resources in Montgomery County. |
613 |
| 55 |
Lorien Health Serviceslorienhealth.com
A family-owned company with nine communities in Maryland offering long or short-term care, medical treatment, and a comfortable environment for residents and families |
594 |
| 56 | 587 | |
| 57 |
Advanced Radiologyadvancedradiology.com
Specializing in diagnostic imaging services, our board-certified radiologists offer advanced technology for accurate diagnoses at multiple locations throughout Maryland, accepting all major insurances |
574 |
| 58 |
PCApcalliances.com
Company drives quality patient care by negotiating with manufacturers for members, offering shared ownership models and evaluating new opportunities |
540 |
| 59 |
Atlantic General Hospitaltidalhealth.org
Providers of quality healthcare services in the lower Eastern Shore area of Delmarva, offering advanced facilities and medical expertise close to home |
512 |
| 60 |
Capital Women's Carecwcare.net
A premier group providing obstetric, gynecologic, and specialized women's health care services with a network of over 200 medical professionals and access to advanced technologies |
505 |
| 61 |
AbsoluteCareabsolutecare.com
Specializing in HIV/AIDS treatment, <Organization> has evolved to offer comprehensive primary care services for underserved individuals with various health conditions |
501 |
| 62 |
University of Maryland Capital Region Healthumcapitalregion.org
Integrated not-for-profit healthcare system serving Prince George's County & surrounding area Providing high-quality, accessible healthcare services in partnership with the community |
500 |
| 63 |
Meridian Senior Livingmeridiansenior.com
Meridian Senior Living provides personalized care and services for residents across the United States, focusing on improving quality of life |
498 |
| 64 |
Center for Vein Restorationcenterforvein.com
National leader in varicose and spider vein treatment, focusing solely on venous insufficiency Dedicated to relieving leg pain and improving quality of life |
498 |
| 65 |
University of Maryland Medical Center Midtown Campusummidtown.org
A 200-bed non-profit community teaching hospital in Baltimore, providing care across 30 specialties and expanding outpatient services to serve the community |
492 |
| 66 |
MedStar Good Samaritan Hospitalmedstarhealth.org
A specialty healthcare provider offering a range of services including rehabilitation, orthopaedics, gynecology, pediatrics, emergency care, screenings, nursing, and senior living options |
482 |
| 67 |
ChristianaCare Union Hospitaluhcc.com
Award-winning community hospital providing personalized, quality healthcare services to residents in Elkton, Maryland with a wide range of medical specialties and advanced technology |
473 |
| 68 |
United Medical Centerumms.org
This company offers job opportunities in the medical field, providing training and support for professional growth to improve healthcare in communities |
466 |
| 69 |
University of Maryland Faculty Physiciansumfpi.org
A medical group composed of 1,200 faculty members from a school of medicine, providing care in 40 specialties, research, and clinical trials across Maryland |
454 |
| 70 | 447 | |
| 71 |
Agency for Healthcare Research and Qualityahrq.gov
This agency within the Department of Health and Human Services conducts research to improve healthcare quality, accessibility, affordability, and safety |
447 |
| 72 |
Dimensions Healthcare Systemumms.org
Integrated not-for-profit healthcare organization providing quality services to Prince George's County and surrounding areas, with a strong commitment to community benefit |
435 |
| 73 |
Chesapeake Urology Associateschesuro.com
Leading urology practice in the Mid-Atlantic region offering comprehensive urologic services with a focus on clinical excellence, research, and community outreach |
433 |
| 74 |
MCMC Services, LLCmcmcllc.com
Specializing in Independent Peer Review services, we offer comprehensive physician expertise for claims, prior-auth, utilization, and case management programs Compliance with industry standards guaranteed |
430 |
| 75 |
Gilchristgilchristcares.org
A nonprofit leader in serious illness and end-of-life care, offering comprehensive support and counseling for individuals and families in Central Maryland |
425 |
| 76 |
Chase Brexton Health Carechasebrexton.org
A diverse and inclusive healthcare organization, committed to empowering staff development and providing quality care to communities with comprehensive benefits |
420 |
| 77 |
Get Wellgetwellnetwork.com
Specializing in digital patient engagement, they aim to improve healthcare outcomes by providing personalized technology solutions for hospitals and health systems |
416 |
| 78 |
MedStar St. Mary's Hospitalmedstarhealth.org
A 103-bed full-service community hospital in Maryland offering state-of-the-art emergency, inpatient, and outpatient care with a focus on excellence and compassionate medical care |
415 |
| 79 |
University of Maryland Charles Regional Medical Centerumms.org
Health care provider in Charles County with diverse team dedicated to advancing medicine, transforming lives, and prioritizing employee wellbeing and work-life balance |
410 |
| 80 |
Excelsia Injury Careexcelsiainjurycare.com
A leading provider of post-traumatic care with 60+ patient care centers in the mid-Atlantic region, dedicated to helping individuals recover and return to functionality |
400 |
| 81 |
Welldocwelldoc.com
The company offers BlueStar, an in-app digital assistant for type 2 diabetes to drive down costs and promote personal healthcare transformation |
391 |
| 82 |
Hospice of the Chesapeakehospicechesapeake.org
Providing physical, emotional, and spiritual support services for individuals with advanced illness, as well as grief support for all community members |
384 |
| 83 |
Mt. Washington Pediatric Hospitalmwph.org
Pediatric hospital providing advanced medical care in a family-friendly environment, supporting children's health and healing with compassion and expertise |
376 |
| 84 |
Total Health Care, Inc.totalhealthcare.org
A nonprofit community health center in Baltimore providing medical care for over 50 years, serving families of all life stages |
344 |
| 85 |
Baltimore Medical Systembmsi.org
A non-profit in Baltimore providing healthcare services to underserved communities, meeting government standards and supporting over 45,000 patients annually |
324 |
| 86 |
Healing Partnershealing-partners.com
Specializing in wound care in skilled nursing facilities, we provide detection, documentation, treatments, tracking, risk management, and reimbursement support to ensure success |
306 |
| 87 |
Maryland Oncology Hematologymarylandoncology.com
A leading oncology and hematology practice in Maryland with 13 locations, offering a wide range of cancer care services and participating in clinical trials |
290 |
| 88 |
Trend Health Partnerstrendhealthpartners.com
The company provides AI-driven cost-saving solutions to enhance financial clarity and collaboration between payers and providers in the healthcare industry |
245 |
| 89 |
Memorial Hospital Regionalmemorialregional.com
Health care services provider serving multiple counties in South Florida, including Broward, Palm Beach, and Miami-Dade, with a focus on the Fort Lauderdale region |
229 |
| 90 |
The Arora Grouparoragroup.com
A nationwide healthcare services provider specializing in staffing for government healthcare contracts for military and federal agencies for over 35 years |
183 |
| 91 |
Trellis Servicestrellisservices.com
A unique agency using progressive educational and behavioral models to teach children with autism and related disorders, making learning fun and interactive |
180 |
| 92 |
UM Shore Regional Healthumshoreregional.org
Nonprofit medical delivery care network on Maryland's Eastern Shore formed through consolidation of two partner entities, providing services across the Mid-Shore region |
174 |
| 93 |
Institute of Human Virology at the University of Maryland School of Medicineihv.org
A leading institute focused on research, education, and clinical programs to develop diagnostics and therapeutics for chronic viral and immune disorders, particularly HIV/AIDS |
170 |
| 94 |
CCI Health Servicescciweb.org
Providing equitable and accessible healthcare services for vulnerable communities through a comprehensive approach including medical, behavioral, dental care, and specialty programs |
170 |
| 95 |
Vision Innovation Partnersvisioninnovation-partners.com
A leading manager of ophthalmology practices in the Mid-Atlantic region, providing unified clinical practitioners with experienced management, technology, and back office support |
170 |
| 96 |
Alteon Healthusacs.com
A leading physician-owned medical group in the US, offering customized solutions in emergency, hospital, critical care, telemedicine, pediatrics, and more |
168 |
| 97 |
Lifestar Response Of Marylandlifestar-response.net
Established in 1998, providing a full range of medical transportation services to residents in Baltimore, Central Maryland, Washington, Eastern Shore, and Delaware |
163 |
| 98 |
Multi-Specialty HealthCaremulti-specialty.com
Interdisciplinary healthcare provider in the Mid-Atlantic area offering traditional and alternative medicine services for personal injury and workers' compensation cases |
162 |
| 99 |
No Place Like Home LLCnoplacelikehomecare.org
A Maryland-based Nurse Referral and Staffing Agency offering RN's, CNA's, and nursing personnel for various levels of care and services |
162 |
| 100 |
Capital City Nursescareadvantageinc.com
A leading home care company in Maryland, DC, and Virginia offering a wide range of services including private duty care, Alzheimer's support, and skilled nursing services |
161 |
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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 Maryland
- The largest companies in Maryland 1,527
- IT Services and IT Consulting companies in Maryland 154
- Education providers in Maryland 93
- IT services companies in Maryland 90
- Critical infrastructure operators in Maryland 67
- Healthcare providers in Maryland 66
- Public sector organisations in Maryland 64
- Construction companies in Maryland 63
- Retail chains in Maryland 62
- Government Administration companies in Maryland 62
- Financial services firms in Maryland 57
- Higher Education companies in Maryland 54
- Financial Services companies in Maryland 53
- SaaS companies in Maryland 50
- Non-profit Organizations companies in Maryland 48
- Aerospace and defence companies in Maryland 46
- Consulting firms in Maryland 44
- Software Development companies in Maryland 41
- Real Estate companies in Maryland 40
- Research Services companies in Maryland 38
- Hospitality companies in Maryland 37
- Manufacturers in Maryland 37
- Research institutes in Maryland 35
- Business Consulting and Services companies in Maryland 31
The same list elsewhere in United States
- Hospitals and Health Care companies in the United States 5,419
- Hospitals and Health Care companies in California 519
- Hospitals and Health Care companies in Texas 410
- Hospitals and Health Care companies in New York State 392
- Hospitals and Health Care companies in Florida 346
- Hospitals and Health Care companies in Illinois 274
- Hospitals and Health Care companies in Pennsylvania 238
- Hospitals and Health Care companies in Massachusetts 193
- Hospitals and Health Care companies in Tennessee 189
- Hospitals and Health Care companies in Ohio 180
- Hospitals and Health Care companies in North Carolina 156
- Hospitals and Health Care companies in New Jersey 143
- Hospitals and Health Care companies in Georgia 142
- Hospitals and Health Care companies in Michigan 142
- Hospitals and Health Care companies in Virginia 120
- Hospitals and Health Care companies in Missouri 118
- Hospitals and Health Care companies in Minnesota 117
- Hospitals and Health Care companies in Indiana 116
- Hospitals and Health Care companies in Colorado 111
- Hospitals and Health Care companies in Arizona 105
- Hospitals and Health Care companies in Washington State 104
- Hospitals and Health Care companies in Wisconsin 94
- Hospitals and Health Care companies in New York 119
- Hospitals and Health Care companies in Chicago 96