| # | Company | Employees |
|---|---|---|
| 1 | 8,293 | |
| 2 |
Hannaford Supermarketshannaford.com
A premier upscale grocer focusing on fresh products and convenience, offering innovative services like My Hannaford Rewards and Hannaford To Go A leader in retail grocery industry |
8,135 |
| 3 |
MaineHealth Maine Medical Centermainehealth.org
A leading healthcare resource in northern New England with state-of-the-art facilities, world-class research, and a commitment to professional growth in a vibrant city environment |
6,498 |
| 4 |
MaineHealthmainehealth.org
A not-for-profit integrated health system providing preventive care, diagnosis, and treatment to residents in Maine and New Hampshire through various healthcare services and facilities |
6,228 |
| 5 |
State of Mainemaine.gov
Maine State Government values quality of life, entrepreneurship, and independence, providing a skilled workforce and strong infrastructure to support its communities |
5,730 |
| 6 |
WEXwexinc.com
A global commerce platform offering personalized solutions to simplify business operations, specializing in benefits, mobility solutions, and payment processing |
5,349 |
| 7 |
University of Maineumaine.edu
A comprehensive public research university offering over 100 degree programs, promoting environmental stewardship, and conducting groundbreaking research with world-class scholars |
4,847 |
| 8 |
L.L.Beanllbean.com
A leading outdoor gear and apparel retailer founded in 1912, committed to customer focus, product innovation, respect for people, and environmental preservation |
3,511 |
| 9 |
EMHSnorthernlighthealth.org
An integrated health care system in Maine, providing care across the state with hospitals, medical groups, nursing homes, and primary care locations |
3,019 |
| 10 |
University of New Englandune.edu
Innovative educational community in Maine with coastal and international campuses, offering a wide range of online degree programs and health education |
2,706 |
| 11 |
Portsmouth Naval Shipyardnavsea.navy.mil
Specializes in the safe overhaul, repair, and modernization of nuclear-powered attack submarines for the US Navy, focusing on Los Angeles and Virginia-class submarines |
2,662 |
| 12 |
Covetruscovetrus.com
Global animal-health technology and services company empowering veterinary practices with products, services, and technology to improve financial and clinical outcomes worldwide |
2,512 |
| 13 |
The Jackson Laboratoryjax.org
A leading nonprofit research organization focused on genetics and genomics, accelerating discovery to cure diseases like cancer, diabetes, Alzheimer's, and more |
2,270 |
| 14 |
Northern Light Healthnorthernlighthealth.org
Largest integrated healthcare system in Maine offering hospital care, physician services, nursing homes, emergency transport, and primary care locations. |
2,238 |
| 15 |
University of Southern Maineusm.maine.edu
Public university offering undergraduate and graduate courses online and on campuses, emphasizing academic excellence and community engagement. |
2,163 |
| 16 |
CIEE Council on International Educational Exchangeciee.org
A nonprofit organization offering comprehensive study abroad and intercultural exchange programs for students and faculty worldwide since 1947 |
2,037 |
| 17 |
Colby Collegecolby.edu
Established in 1813, this liberal arts college offers a diverse and supportive academic experience with a focus on integrated learning and addressing complex global challenges |
1,981 |
| 18 |
General Dynamics - Bath Iron Worksgdbiw.com
A shipyard under General Dynamics Marine Systems specializing in designing, building, and supporting surface combatants for the US Navy with world-class facilities and a strong team |
1,969 |
| 19 |
Bowdoin Collegebowdoin.edu
An independent liberal arts institution in Maine offering undergraduate programs, with over 40 majors and around 1,850 students from diverse backgrounds |
1,852 |
| 20 |
Eastern Maine Medical Centernorthernlighthealth.org
A leading medical center in Maine providing high-quality care, outreach services, trauma care, and support for patients, physicians, and healthcare students |
1,768 |
| 21 |
MaineGeneral Healthmainegeneral.org
Provides comprehensive healthcare services to the Kennebec Valley community, focusing on clinical excellence and improving community health. |
1,751 |
| 22 |
Bates Collegebates.edu
A prestigious liberal arts college offering a personalized education with small class sizes, research opportunities, study abroad programs, and a rich co-curricular experience Alumni excel in critical thinking and graduate study |
1,516 |
| 23 |
Wedding Organizer
A consumer services company based in Bucksport, Maine, specializing in wedding organization and planning services for couples |
1,396 |
| 24 |
Friend & Friendfriendandfriend.com
A two-location powersports retailer in central Maine selling motorcycles, ATV's, UTV's, snowmobiles, and personal watercraft from top brands since 1964 |
1,324 |
| 25 |
York Hospitalyorkhospital.com
A not-for-profit hospital and healthcare provider with multiple community sites and physician practices, offering compassionate care in southern York County |
1,187 |
| 26 |
Woodard & Curranwoodardcurran.com
Integrated firm specializing in water and environmental projects, offering tailored solutions through science, engineering, design-build, operations, and collaborative partnerships with clients |
1,148 |
| 27 |
Bangor Savings Bankbangor.com
A community-focused bank in Northern New England, dedicated to investing in local communities, supporting causes, and providing excellent customer service |
1,146 |
| 28 |
CIANBROcianbro.com
A diverse, employee-owned construction company operating nationwide, specializing in civil, structural, mechanical, electrical, and fabrication projects for public and private clients |
1,123 |
| 29 |
NexRep, LLCnexrep.com
A leader in virtual contact center solutions, NexRep partners with home-based agents to provide scalable, on-demand customer service and sales solutions |
1,099 |
| 30 |
Central Maine Healthcarecmhc.org
Integrated healthcare delivery system in central Maine with hospitals, primary care, specialty services, trauma program, cancer center, and Mass General Hospital affiliation for advanced treatments |
1,072 |
| 31 |
BerryDunn โ Assurance, Tax and Consultingberrydunn.com
A nationally recognized firm providing assurance, tax, and consulting services to help clients create, grow, and protect value with exceptional service |
1,049 |
| 32 |
Southern Maine Health Caresmhc.org
A not-for-profit healthcare system offering a wide range of medical services, including a medical center, physician services, specialty care, and rehabilitation services |
918 |
| 33 |
Saint Joseph's Collegesjcme.edu
A college that transforms learners into leaders with diverse programs on campus and online, fostering community growth and professional development worldwide |
888 |
| 34 |
Husson Universityhusson.edu
A private university in Bangor, Maine offering over 100 programs in various fields, preparing students for professional careers since 1898 |
887 |
| 35 |
Cross Insurancecrossagency.com
A family-owned insurance provider based in Maine, offering personal, commercial, employee benefits, and bond insurance options with over 1,000 employees in the Northeast |
881 |
| 36 |
Jobs in Canadagovhelp.in
A company that helps individuals build their careers and settle in Canada through various services and support programs |
869 |
| 37 |
St. Mary's Health Systemstmarysmaine.com
Health System in Tewksbury, MA offering acute care, primary care, mental health services, skilled nursing, and housing for elderly/handicapped individuals in Maine |
868 |
| 38 |
Martin's Point Health Caremartinspoint.org
Innovative not-for-profit organization providing high-quality, affordable healthcare and coverage in Maine and New England through healthcare centers and insurance plans |
818 |
| 39 |
Geigergeiger.com
This company helps clients develop programs using promotional products for brand awareness, employee engagement, and customer appreciation through imprinting, screen printing, and embroidery |
796 |
| 40 |
University of Maine at Augustauma.edu
This organization provides high-quality education, student support, civic engagement, and professional programs to students in Maine through campuses, centers, and online programming |
736 |
| 41 |
InterMed, P.A.intermed.com
A physician-owned primary care practice in Maine offering a wide range of medical services, specialty care, surgical procedures, urgent care, and on-site medical services |
699 |
| 42 |
Spurwinkspurwink.org
Behavioral health and education services for individuals of all ages and families, supporting them through challenges towards healthy, engaged lives in communities |
699 |
| 43 |
City of Portland, Maineportlandmaine.gov
Portland, Maine's official account promoting the city as Maine's business, financial, retail, and foodie capital with a dedicated municipal workforce #PortlandME |
695 |
| 44 |
Mountain Ltd.mountainltd.com
Delivering high-quality traditional and wireless engineering services with a focus on speed to market Specializing in telecommunications solutions nationwide |
682 |
| 45 |
University of Maine at Farmingtonfarmington.edu
Maine's first public liberal arts college offering programs in teacher education, human services, and arts and sciences with around 1,800 full-time students |
669 |
| 46 |
Southern Maine Community Collegesmccme.edu
Maine's largest and oldest community college with campuses in South Portland and Brunswick, providing educational opportunities for students in the region |
667 |
| 47 |
Unity Environmental Universityunity.edu
Unity Environmental University prepares environmental professionals through affordable bachelor's and master's degrees, certificates, and courses offered in hybrid, in-person, and online formats |
656 |
| 48 |
SaviLinxsavilinx.com
A woman-owned contact center providing customer service solutions for government agencies and businesses, prioritizing people, reputations, and brand strength |
627 |
| 49 |
Sweetsersweetser.org
A nonprofit organization offering evidence-based behavioral health treatment, support, and educational services through a statewide network Call 1-800-434-3000 for services |
613 |
| 50 |
Sheriff's Department
Law enforcement agency located in Machias, United States, providing services to maintain public safety and enforce the law effectively |
600 |
| 51 |
Camden National Bankcamdennational.bank
A community bank in Maine with digital banking, lending offices in MA and NH, 58 banking centers, 71 ATMs, and 600+ employees dedicated to customer success |
597 |
| 52 |
Aroma Joe's Coffeearomajoes.com
quickly became a beloved destination for handcrafted coffee, espresso, unique infused blends, signature energy drinks, and all-day food offerings. |
589 |
| 53 |
MaineHealth Mid Coast Hospitalmidcoasthealth.com
A not-for-profit hospital committed to providing high quality healthcare services to the community, accredited for exceptional nursing and patient care |
571 |
| 54 | 544 | |
| 55 | 543 | |
| 56 |
Dead River Companydeadriver.com
A family-owned energy company providing heating fuels, installation, and maintenance services in Northern New England, with a focus on customer comfort and cost management |
542 |
| 57 |
Northern Light Mercy Hospitalnorthernlighthealth.org
Acute care hospital in Portland, Maine offering compassionate and clinically excellent healthcare, prioritizing the poor and disadvantaged, with private rooms and advanced medical technology |
520 |
| 58 |
Twin Rivers Paper Companytwinriverspaper.com
Specialty paper company producing high-quality paper, pulp, and lumber for niche markets Focus on innovation, product development, and long-term client relationships |
507 |
| 59 |
Penobscot Community Health Carepchc.com
A non-profit organization providing comprehensive healthcare services to all, regardless of insurance or ability to pay, with multiple locations and specialized medical services available |
479 |
| 60 |
Central Maine Medical Centercmhc.org
A Level II Trauma Center in Lewiston, offering specialized services in heart, cancer, neonatal care, trauma services, and medical helicopter transport in southern Maine |
462 |
| 61 |
Goodwill Northern New Englandgoodwillnne.org
A nonprofit organization in Northern New England offering workforce and disability services, workforce training, community supports, and re-use stores to support the Earth |
457 |
| 62 |
Wal Mart Pharmacysalarydetail.com
A telecommunications company located in Waterville, Maine, United States, focusing on providing pharmacy services to customers |
457 |
| 63 |
Irritecirritec.com
Global leader in smart irrigation solutions for agriculture and gardening, promoting eco-sustainability through drip irrigation systems and circular economy initiatives |
451 |
| 64 |
Bar Harbor Bank & Trustbarharbor.bank
A community bank offering full-range financial services across multiple states, prioritizing community service, employee development, and client trust and wealth management |
435 |
| 65 |
Auto Europe Car Rentalautoeurope.com
A global leader in car rental services with luxury options, air travel bookings, hotel reservations, chauffeur services, GPS rentals, and more |
429 |
| 66 |
Portland Public Schools, Maineportlandschools.org
Largest school system in Maine with 10 elementary, 3 middle, 4 high schools serving 7,000 students and 4,400 adult learners Emphasizes arts and professional development |
423 |
| 67 |
Tilsontilsontech.com
A multi-specialty telecommunications services firm with over 25 years of experience building and maintaining information infrastructure for various clients nationwide |
422 |
| 68 |
Maine Maritime Academymainemaritime.edu
A public college in Maine offering degrees in engineering, management, science, and transportation with a focus on practical skills and experiential learning |
412 |
| 69 |
NorDxmainehealth.org
A Northeast regional healthcare laboratory service provider offering high-quality, cost-effective services to hospitals, physician offices, and managed care organizations |
407 |
| 70 |
Wright-Piercewright-pierce.com
A multidiscipline engineering firm providing drinking water, wastewater, and civil infrastructure services with over 300 professionals across Northeast and Florida Employee-owned |
405 |
| 71 |
FATEH GROUPfatehgroup.com
A company providing high-quality services and products in engineering, procurement, construction, fabrication for the energy sector, focusing on customer needs and satisfaction |
384 |
| 72 |
Blessed Sacrament School (Walpole MA)blessedsacrament.org
A Catholic school in Walpole, Massachusetts, offering education from preschool through 8th grade |
370 |
| 73 |
Northeast Banknortheastbank.com
Experienced lender providing personal banking and national lending services, specializing in commercial loans and striving to make a positive impact in local communities |
366 |
| 74 |
Thomas Collegethomas.edu
A pioneering institution offering undergraduate and graduate degrees with a focus on job placement, innovation, and value-added education for upward mobility |
361 |
| 75 |
MaineHealth Behavioral Healthmainehealth.org
Maine Behavioral Healthcare is a leading provider of integrated behavioral healthcare services in Maine, offering high-quality care and a supportive work environment |
352 |
| 76 |
Central Maine Community Collegecmcc.edu
This company offers accessible college education, career training, and services to support economic development and community vitality Non-discriminatory employer |
351 |
| 77 |
ALCOM LLCalcomusa.com
A leading aluminum trailer manufacturer with 160+ models, operating from multiple facilities, constantly innovating to meet market demands |
339 |
| 78 |
Machias Savings Bankmachiassavings.bank
A community-focused bank in Maine helping businesses and individuals achieve their goals for over 150 years |
335 |
| 79 |
United Construction & Forestryconstruction.unitedequip.com
Specializing in John Deere construction and forestry equipment sales, service, and support in New England, offering quality customer service and technical expertise for various industries |
333 |
| 80 |
Acadia Insurance (a Berkley Company)bit.ly
Specializing in commercial property casualty insurance, this company offers programs for small and midsize businesses in the Northeast, fostering career growth and development for employees |
333 |
| 81 |
Futran Solutionsfutransolutions.com
Enabling business transformation through innovation, providing intelligent, scalable, and future-ready solutions in AI, Automation, Cloud, Data, and Digital Engineering. |
328 |
| 82 |
Community Counseling Centerannalotanuk.co.uk
A nonprofit family service agency in Maine providing prevention, education, treatment, and wellness programs to individuals and families in need |
326 |
| 83 |
Norway Savings Banknorwaysavings.bank
Leading mutual bank in Maine since 1866, promoting financial growth for customers, employees, and communities through exceptional service and banking solutions |
326 |
| 84 |
New England Life Carenelifecare.org
Mission-driven nonprofit providing home infusion therapy and specialty pharmacy services in New England, affiliated with premier medical centers for patient recovery at home |
324 |
| 85 |
Pierce Atwood LLPpierceatwood.com
A full-service law firm based in New England with 150 attorneys serving regional, national, and international clients in various industries |
324 |
| 86 | 323 | |
| 87 |
Maine Army National Guardnationalguard.com
A state-reserve military organization in Maine, providing a range of specialized army units and support staff for state and federal missions |
322 |
| 88 |
Baker Newman Noyesbnncpa.com
One of the top 100 accounting and consulting firms, specializing in banking, healthcare, manufacturing, not-for-profit, public sector, and family-owned businesses |
321 |
| 89 |
Redington-Fairview General Hospitalrfgh.net
A 25-bed critical access hospital in Skowhegan, Maine, providing healthcare to over 30,000 residents in Somerset County since 1952 |
316 |
| 90 |
MaineHealth Franklin Hospitalmainehealth.org
A progressive, not-for-profit community hospital providing high quality, cost-effective, patient-centered health care, with physician practices, specialty care, and community services |
313 |
| 91 |
Andwell Health Partnersandwell.org
A non-profit home healthcare organization in Maine offering health, hospice and care management services with a focus on holistic well-being and independence |
313 |
| 92 |
MaineHealth Waldo Hospitalmainehealth.org
This company operates as a family of services including an emergency department, physician practices, and retirement community, all within an integrated health system |
312 |
| 93 |
ClearCoclearcompany.com
It offers a comprehensive Talent Management platform that integrates Recruiting, Onboarding, Performance Management, and Employee Engagement for organizations. |
312 |
| 94 |
Cumberland County Sheriff's Officecumberlandso.org
A leading law enforcement agency in Maine, serving over 280,000 citizens with a focus on community partnership and maintaining public safety |
311 |
| 95 |
Mount Desert Island Healthmdihospital.org
Nonprofit hospital in Maine providing compassionate care to residents of Mount Desert Island and surrounding rural communities in Hancock and Washington counties |
310 |
| 96 |
University of Maine at Presque Isleumpi.edu
A university in northern Maine providing personalized, hands-on learning with affordable tuition, real-world career experience, and a supportive community |
309 |
| 97 |
Hammond Lumber Companyhammondlumber.com
Family-owned building supply company with 22 locations in Maine and New Hampshire, offering materials, services, and friendly staff with enduring community relationships |
301 |
| 98 |
Stonewall Kitchen Family of Brandsstonewallkitchen.com
Manufacturer of gourmet food products and specialty home goods sold in 19,000+ stores worldwide, with a thriving catalog, web division, retail stores, and award-winning product line |
301 |
| 99 |
Guild Mortgage - NE Divisionguildmortgage.com
Providing integrated loan processing, underwriting, and lending services, ensuring compliance with regulations and achieving underwriter approval Equal Opportunity Employer |
283 |
| 100 |
ReVision Energyrevisionenergy.com
Employee-owned solar company with over 15,000 installations in Maine, New Hampshire, and Massachusetts, focused on sustainability as a Certified B Corp Enjoy solar energy! |
278 |
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 Maine
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