| # | Company | Employees |
|---|---|---|
| 1 |
Mohawk Valley Health Systemmvhealthsystem.org
Integrated healthcare delivery system serving Oneida, Herkimer, and Madison counties, offering a wide range of services including inpatient, primary care, multi-specialty, and long-term care |
1,555 |
| 2 |
Utica Collegeutica.edu
An independent private college in upstate New York with a proud tradition of higher learning and a dynamic, diverse alumni community worldwide |
1,080 |
| 3 |
Utica Universityutica.edu
A private institution founded in 1946 in Central New York, offering a variety of degrees with a low student to faculty ratio Multiple campus locations available |
840 |
| 4 |
Mohawk Valley Community Collegemvcc.edu
A public educational institution offering a wide range of degree and certificate programs, as well as athletics and extracurricular activities for students |
748 |
| 5 |
SUNY Polytechnic Institutesunypoly.edu
A university offering undergraduate and graduate degrees in technology, professional studies, and arts and sciences with a focus on in-demand careers |
673 |
| 6 |
Faxton St. Luke's Healthcaremvhealthsystem.org
Integrated healthcare delivery system serving Oneida, Herkimer, and Madison counties with 4,200 employees and a $537 million budget |
557 |
| 7 |
Upstate Cerebral Palsyupstatecp.org
A nonprofit organization providing services and support to individuals with cerebral palsy and other developmental disabilities in the Upstate region |
545 |
| 8 |
St. Elizabeth Medical Centermvhealthsystem.org
Integrated healthcare system serving Oneida, Herkimer, and Madison counties with 4,200 employees and a $537 million budget, offering emergency care services |
457 |
| 9 |
Tidal Basin Grouptidalbasingroup.com
Comprehensive emergency and program management consulting provider, specializing in building safer, more resilient communities through tailored solutions for organizations |
373 |
| 10 |
Benefit Plans Administrative Services, Inc. (BPAS)bpas.com
National provider of retirement, benefit plans, fund administration, and collective investment trusts, supporting thousands of plans and participants, simplifying benefit-plan services |
346 |
| 11 |
Utica City School Districtuticaschools.org
Public school district serving 9,500 students, offering high-quality education for college, career, and life readiness |
332 |
| 12 |
LIFEPlanCCONYlifeplanccony.com
Healthcare organization connecting individuals with disabilities to services, healthcare, and the community through care coordination for happy and healthy lives |
324 |
| 13 |
Resource Center for Independent Living, Inc.rcil.com
A civil rights organization providing independent living services and advocacy for people with disabilities to live independently and participate in society |
309 |
| 14 |
Senator James H Donovan Middle Schooluticaschools.org
This organization operates a school district with 1 high school, 2 middle schools, and 10 elementary schools, providing education to students |
229 |
| 15 |
The House of the Good Shepherdchangingchildrenslives.com
A comprehensive human service agency founded in 1872, providing treatment to children and families struggling with emotional, social, and behavioral problems |
184 |
| 16 |
JETNETjetnet.com
A leading provider of business aviation market information, offering comprehensive data on worldwide business, commercial, and helicopter aircraft fleets |
182 |
| 17 |
USPBL Powered By Mortgage Matchupuspbl.com
A four-team development professional baseball league providing affordable premium experiences, promoting family fun, and producing high-quality baseball for fans to enjoy |
171 |
| 18 |
Adirondack Bankadirondackbank.com
A trusted, full-service community bank in Upstate New York, recognized for providing cutting-edge banking solutions and outstanding customer service |
160 |
| 19 |
ECR Internationalecrinternational.com
Innovative manufacturer of American-engineered HVAC equipment including boilers, water heaters, and furnaces, leading the heating and cooling market with quality products |
157 |
| 20 |
Carbone Auto Grouplithia.com
A multi-franchise auto group with 14 dealerships in Utica, Rome, Troy, and Bennington, offering a wide selection of inventory and specials |
151 |
| 21 |
Masonic Care Community of New Yorkmasonichomeny.org
Provides comprehensive housing and healthcare services on a 440-acre campus, including independent living, skilled nursing, rehabilitation, home health care, and child care |
151 |
| 22 |
WEINGARTZweingartz.com
Family-owned outdoor power equipment retailer offering sales, service, and specialized programs for commercial and residential buyers with industry-leading customer support |
103 |
| 23 |
Gomez and Sullivan Engineers, D.P.C.gomezandsullivan.com
Specialized engineering and environmental science firm providing solutions to water resource and energy sectors, with a diverse team and core services including hydropower licensing and habitat restoration |
58 |
| 24 |
Action Insurance Service, Inc.actionin.com
Providing insurance and financial services for over 50 years, specializing in auto, home, business, life, and health insurance with a focus on client trust and service |
27 |
| 25 |
Munson Machinery Co., Inc.munsonmachinery.com
Established in 1823, this New York State company emphasizes quality, service, and customer relationships to maintain success in machinery industry |
21 |
| 26 |
Oriskany Manufacturing Techoriskanymfg.com
Automotive company located in Utica, NY specializing in manufacturing technology for the automotive industry |
12 |
| 27 |
Utica School of Insurance , Inc.uticaschoolofinsurance.com
An approved New York State Department of Financial Services insurance education school offering pre-licensing classes, CE courses, and refresher courses for agents and brokers |
5 |
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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.
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
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- The largest companies in Pennsylvania 3,110
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- The largest companies in Georgia 2,632
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- The largest companies in Alabama 1,806
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- 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