| # | Company | Employees |
|---|---|---|
| 1 |
Naval Undersea Warfare Center Newportnavsea.navy.mil
Providing research, development, test, and evaluation of undersea technology for submarines, autonomous systems, and weapon systems to achieve undersea superiority |
2,818 |
| 2 |
Salve Regina Universitysalve.edu
A Catholic, coeducational university in Newport, RI offering comprehensive liberal arts education for undergraduate and graduate students to develop talents and values |
1,362 |
| 3 |
P.L. Marketing, Inc.plmarketing.net
Provider of sales, merchandising, and operational services for Kroger Company, the largest US supermarket retailer, specializing in Corporate Brand consumer products Employee-owned since 1989 |
1,195 |
| 4 |
North Sailsnorthsails.com
Design and manufacture high-performance sails using advanced composite technology, serving competitive sailing and lifestyle apparel markets worldwide. |
1,139 |
| 5 |
Salve Regina University Office of Graduate Studies and Continuing Educationsalve.edu
A coeducational Catholic university in Newport, RI offering comprehensive education with a liberal arts foundation to develop students' individual talents |
1,129 |
| 6 |
U.S. Naval War Collegemyusnwc.com
The company educates and develops leaders, supports naval strategy, combat readiness, and global partnerships through educational programs and research analysis |
1,067 |
| 7 |
Lincoln Countyco.lincoln.or.us
Lincoln County offers a beautiful coastal lifestyle with outdoor activities, vibrant arts community, and essential services, including benefits like 401(k) contributions and healthcare options |
889 |
| 8 |
Target Grouptargetgroup.com
Providing FCA-regulated platforms for loan servicing, collections, and payments to improve compliance, reduce costs, and enhance customer experience. |
859 |
| 9 |
The Celtic Collectionceltic-manor.com
A family of luxury UK leisure destinations offering upscale accommodations, world-class golf, event venues, upscale dining, and extensive recreational facilities |
623 |
| 10 | 
Lincoln County Sheriff's Officeco.lincoln.or.us
The company's mission is to safeguard lives and property, reduce crime, and enhance public safety through partnerships and high ethical standards |
441 |
| 11 |
No Job Too Smalllatestjobs.us
A company based in Newport, North Carolina, specializing in handling jobs of any size, ensuring quality services and customer satisfaction |
389 |
| 12 |
SPTS Technologies Ltd, a KLA Companykla.com
Designs and manufactures advanced etch, deposition equipment and process technologies for semiconductor and microdevice industries, focusing on various sectors globally |
383 |
| 13 |
KOI Auto Partskoiautoparts.com
A leading automotive parts provider offering a vast inventory, delivery services, and exceptional customer service to professional repair garages and retail customers |
331 |
| 14 |
North Country Hospitalnorthcountryhospital.org
A private, nonprofit acute care community hospital providing medical expertise and technology to residents and visitors in rural Vermont |
311 |
| 15 |
StandUp Wirelessstandupwireless.com
A prepaid wireless company providing federal Lifeline services to low income Americans through various programs, keeping communities connected since 1999 |
307 |
| 16 |
City of Newport, Oregonnewportoregon.gov
The company promotes Newport, Oregon as a historic city with diverse attractions including beaches, lighthouses, fishing ports, and marine science centers for all ages and interests |
278 |
| 17 |
AerFinaerfin.com
AerFin provides innovative aftermarket material solutions to the aviation industry, focusing on reducing costs while maintaining quality and technical integrity |
216 |
| 18 |
Monmouthshire Building Societymonbs.com
A leading financial institution in Wales offering a range of mortgage, savings, and insurance products with a focus on friendly service and financial security |
214 |
| 19 |
Brighton Centerbrightoncenter.com
A social service agency in Newport, Kentucky, providing support services, education, employment opportunities, and leadership development for individuals and families |
205 |
| 20 |
EGC Construction Corporationegcconst.com
A privately owned company in Newport, Kentucky, specializing in building design, construction, equipment installation, environmental services, energy services, and residential services |
202 |
| 21 |
Newport Aquariumnewportaquarium.com
An aquarium showcasing thousands of animals in a million gallons of water with unique attractions like Shark Bridge, Shark Ray Breeding Program, and diverse penguin exhibits |
187 |
| 22 |
University of Wales, Newportsouthwales.ac.uk
A newly merged university offering alumni a platform to stay updated on news and events through their LinkedIn group |
182 |
| 23 |
Arkansas State University-Newportasun.edu
The company provides a diverse community with affordable lifelong learning and enhanced quality of life through multiple campuses serving over 2,000 students |
178 |
| 24 |
The Preservation Society of Newport Countynewportmansions.org
Preserving and protecting Newport County's architectural heritage through historic properties, landscapes, and educational programs, attracting over 800,000 visitors annually |
167 |
| 25 |
Newport City Homesnewportcityhomes.com
A not-for-profit housing association in Newport, providing homes, services, and new housing developments to address the housing crisis in Wales and the UK |
155 |
| 26 |
tiQtoQ Ltd - Quality Engineeringtiqtoq.co.uk
An independent software testing and quality assurance company specializing in innovative testing solutions, test automation, and quality improvements for customers and partners |
70 |
| 27 |
Keeper Solutionskeepersolutions.com
Keeper Solutions creates top-tier SaaS products for growing FinTech companies, using cutting-edge AI and technology, and providing ongoing support for business growth |
45 |
| 28 |
Merchants and Planters Bankmandpbank.com
A longstanding financial institution providing local, trusted services since 1946 Specializing in a variety of financial solutions for customers |
45 |
| 29 |
Newport Utilitiesnewportutilities.com
Providing competitively priced essential services like electricity, water delivery, wastewater treatment, and fiber Internet/TV/phone services with a commitment to customer care and excellence |
35 |
| 30 |
Newport Racing & Gamingnewportrg.com
An exciting gaming venue featuring historical racing machines, simulcast horse racing, dining options, and promotions, located in Newport, Kentucky |
33 |
| 31 |
Hexa Financehexafinance.co.uk
Dynamic financial services and consultancy business, specializing in smarter lending solutions for businesses and equipment suppliers, offering outsourced and advisory products Connect on social media |
26 |
| 32 |
Deflecto Europedeflecto-europe.com
Global manufacturer specializing in extruded POS, acrylic fabrication, and display construction With facilities worldwide, creating bespoke products for customers globally |
19 |
| 33 |
Configurconfigur.ai
A software development company specializing in leveraging data to create products and services that make a significant impact on businesses |
14 |
| 34 |
The Innovation Scouttheinnovationscout.com
The company offers AI tools, big data, and an Innovation Factory program to help corporations achieve value from innovation initiatives efficiently |
6 |
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.
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