The 45 largest companies in Hamilton (2026 list)

#	Company	Industry	Headquarters	Employees	Founded
1	South Lanarkshire Council southlanarkshire.gov.uk Support economic growth, business development, and community well-being across diverse urban and rural areas within a key Scottish region.	Government Administration	🇺🇸 Hamilton	3,464	1996
2	Hiscox hiscoxgroup.com Specialist insurance leader providing high quality products and excellent service for personal and commercial risks, ensuring the best protection and peace of mind for clients	Insurance	🇺🇸 Hamilton	3,114	1901
3	The Government of Bermuda gov.bm The organization governs Bermuda through a Westminster Model system, with elected officials forming a Cabinet responsible to the Legislature	Government Administration	🇺🇸 Hamilton	2,066	1609
4	Butterfield Group butterfieldgroup.com A leading independent offshore bank and trust company offering specialized financial services in multiple locations worldwide for over 160 years	Banking	🇺🇸 Hamilton	1,296	1858
5	Convex Insurance convexin.com Specialist underwriting team leveraging modern technology and clean financials to provide innovative insurance solutions without legacy system constraints.	Insurance	🇺🇸 Hamilton	708	2019
6	IGI - International General Insurance Co. Ltd.iginsure.com Specialty commercial insurer and reinsurer offering diverse specialty lines including energy, aviation, marine, construction, and financial institutions worldwide.	Insurance	🇺🇸 Hamilton	700	2001
7	First National Bank fnbhamilton.com Locally owned and operated community bank providing quality service and personal touch to meet all your banking needs with multiple locations	Banking	🇺🇸 Hamilton	584	1976
8	Athora athora.com Provider of guaranteed savings and retirement products across Europe, managing assets and policyholders with insurance and reinsurance operations.	Insurance	🇺🇸 Hamilton	569	2014
9	OPW, a Dover Company opwglobal.com A global leader in fluid handling solutions for safe and efficient distribution of petroleum-derived fluids, offering a wide range of products worldwide	Oil and Gas	🇺🇸 Hamilton	500	1892
10	Butler Tech butlertech.org Transforming lives by providing career technical education to high school students, adult learners, and workers through a variety of programs and real-world experiences	Education Administration Programs	🇺🇸 Hamilton	492	1975
11	Medical Diagnostic Laboratories (MDL)mdlab.com Specializing in PCR-based testing, this CLIA-certified laboratory offers advanced molecular analyses for infectious diseases, tailored diagnostic information, and innovative specimen collection platforms	Hospitals and Health Care	🇺🇸 Hamilton	491	1997
12	Robert Wood Johnson University Hospital Hamilton linktr.ee Healthcare organization in Hamilton Township, NJ, affiliated with Rutgers University, providing acute care, cancer treatment, outpatient services, medical groups, child centers, and fitness facilities	Hospitals and Health Care	🇺🇸 Hamilton	480	1971
13	Park's Motor Group uk.com Scotland's leading independent motor group with dealerships covering a diverse range of manufacturers and locations, offering an impressive range of vehicles and services	Motor Vehicle Manufacturing	🇺🇸 Hamilton	478	1971
14	Orbis Investments orbis.com Global investment firm managing nearly $40 billion with a fundamental, long-term, contrarian philosophy and diverse, value-driven teams.	Investment Management	🇺🇸 Hamilton	457	1989
15	Butler County Educational Service Center bcesc.org An educational service center providing programs and services for students and families, leadership support to school districts, and staffing services for professionals	Education Administration Programs	🇺🇸 Hamilton	380	1914
16	Hill Labs hill-labs.co.nz An independent New Zealand laboratory providing analytical testing services in environmental, agriculture, food, and microbiology sectors with branches nationwide	Environmental Services	🇺🇸 Hamilton	374	1984
17	BILSTEIN of America, Inc.bilstein.com A company with approximately 800 employees in four US locations, specializing in shock absorber production for OE, AM, and SPV markets	Motor Vehicle Manufacturing	🇺🇸 Hamilton	371	n/a
18	Bermuda Monetary Authority bma.bm This company regulates Bermuda's financial services sector, developing and applying risk-based financial regulations to various types of financial institutions and businesses	Financial Services	🇺🇸 Hamilton	364	1969
19	City of Hamilton, Ohio hamilton-oh.gov A city in Ohio with a rich history, committed to progress, owning and operating all major utilities, generating power from renewable resources, and known for exceptional water quality	Government Administration	🇺🇸 Hamilton	326	1791
20	Berkley Accident and Health (a Berkley Company)berkleyah.com Risk management leader offering insurance protection to individuals, groups, employers, and healthcare organizations through Accident, Stop Loss, Managed Care, and Group Captive programs	Insurance	🇺🇸 Hamilton	318	n/a
21	Stark & Stark stark-stark.com A legal firm with over 85 years of experience, offering a wide range of services to clients in multiple states and emphasizing community involvement	Legal Services	🇺🇸 Hamilton	316	1933
22	MacKenzie River Pizza mackenzieriverpizza.com A restaurant chain in Montana offering over 70 menu items of pizzas, salads, and sandwiches, with a focus on creativity, freshness, and customer satisfaction	Restaurants	🇺🇸 Hamilton	310	n/a
23	Rosetta publicissapient.com An agency specializing in Customer Engagement, combining data, experiences, and technologies to build impactful customer relationships and drive business success	Advertising Services	🇺🇸 Hamilton	252	1998
24	Missouri Star Quilt Company missouriquiltco.com The company focuses on creating happiness for quilters through events, promotions, products, and experiences, making it a fulfilling endeavor	Retail	🇺🇸 Hamilton	237	2008
25	Augustine Consulting, Inc.aciedge.com A multi-disciplinary NSA-certified integrator specializing in technology-based solutions, focusing on delivering situational awareness systems for DoD customers worldwide	Defense and Space Manufacturing	🇺🇸 Hamilton	223	2007
26	Darana Hybrid, Inc.daranahybrid.com A full-service electro-mechanical solution provider for the food/beverage and distribution industries in North America, offering industrial electrical, mechanical, automation services, and more	Construction	🇺🇸 Hamilton	174	1985
27	Tompkins Wake tompkinswake.com A leading provider of strategic legal advice, building long-term relationships and trust to create value for clients, with global connections and community focus	Law Practice	🇺🇸 Hamilton	167	1922
28	HB A company with operations in Canada and the US, providing products or services in diverse industries across North America	Wellness and Fitness Services	🇺🇸 Hamilton	164	2009
29	Clarien Bank Limited clarienbank.com Provider of world-class financial services including offshore solutions with a strong focus on client-driven approach, integrity, and teamwork for individuals, families, corporations, and institutions worldwide	Financial Services	🇺🇸 Hamilton	163	1916
30	KPMG in Bermuda kpmg.com A professional services provider in Bermuda offering Audit, Tax, and Advisory services across various industries with a global reach	Financial Services	🇺🇸 Hamilton	155	1950
31	Community Memorial Hospital, Hamilton communitymemorial.org Offering a range of healthcare services, including emergency room care, specialty services, inpatient stays, and surgical procedures, all conveniently located	Hospitals and Health Care	🇺🇸 Hamilton	153	n/a
32	Unisoft Solutions unisoftllc.com A cutting-edge technology firm offering advanced solutions and services to businesses across sectors, specializing in software development, IT consulting, and cloud computing	IT Services and IT Consulting	🇺🇸 Hamilton	62	2016
33	The Ramp theramp.org Global Christian ministry awakening generations through events, university education, worship, and leadership training to impact the world spiritually.	Religious Institutions	🇺🇸 Hamilton	58	n/a
34	OPW Global opwglobal.com Designs and manufactures fluid-handling equipment, clean energy solutions, vehicle wash systems, payment terminals, and automation software globally.	Manufacturing	🇺🇸 Hamilton	49	1892
35	LOM Financial Group - Wealth Management lom.com Global wealth management and investment solutions provider, prioritizing client needs with high-service alternative to private banks Specializing in independent advice on a tax-neutral platform	Financial Services	🇺🇸 Hamilton	45	1992
36	Civacon opwfluidtransfer.com The company specializes in providing safe loading, monitoring, and unloading systems for petroleum, dry bulk, and petrochemical cargo tanks for road and rail industries	Truck Transportation	🇺🇸 Hamilton	40	1940
37	Genesis Hospitality genesis-hospitality.com A hospitality group offering restaurants, bars, inns, event spaces, bakeries, and boutique hotels, dedicated to providing exceptional experiences with excellent service	Hospitality	🇺🇸 Hamilton	36	n/a
38	QuoVadis Group quovadisglobal.com A European and Swiss provider of Qualified digital certificates and PKI solutions, now backed by DigiCert for global clientele compliance	IT Services and IT Consulting	🇺🇸 Hamilton	34	1999
39	Tyreline Distributors tyreline.co.nz An established distributor of premium tyres in New Zealand, providing top brands, warehouse facilities, retreading services, and expert technical assistance for safe motoring solutions	Motor Vehicle Manufacturing	🇺🇸 Hamilton	25	1989
40	Equinoxe Alternative Investment Services (Now part of Apex Group Ltd)apexgroup.com Specializing in alternative investment services, the company offers regulatory reporting solutions and cross-jurisdictional capabilities for global funds across all asset classes	Financial Services	🇺🇸 Hamilton	18	2007
41	Dedicated Financial dedicatedfinancial.com This financial services company is dedicated to its clients' well-being and success, providing tailored solutions and a top-notch client experience	Financial Services	🇺🇸 Hamilton	14	2002
42	Bryan Electric Inc.bryanelectricco.com The company provides exceptional electrical and sustainable energy services, focusing on LED technology and Electric Vehicle Charging stations for a greener future	Construction	🇺🇸 Hamilton	14	1980
43	Kryger Capital krygercapital.com A global investment firm with headquarters in London and an office in Bermuda, authorized and regulated by financial authorities in the UK and US	Investment Management	🇺🇸 Hamilton	13	n/a
44	Blue Palm Advisors bluepalmadvisors.com A financial services investment manager with offices in Hamilton, Miami, and Bogotá, focusing on active and passive investments in banking, consumer loans, and reinsurance	Investment Management	🇺🇸 Hamilton	9	2011
45	Good Nature Farm Brewery & Tap Room goodnaturebrewing.com Family-owned brewery in NY, brewing unfiltered ales with local ingredients Headquarters with Tap Room, Farm-to-Table Restaurant, and Offsite Tap Room in downtown Hamilton	Food and Beverage Services	🇺🇸 Hamilton	7	2010

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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
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