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The 42 largest companies in Shelton

Tamtam tracks 42 companies headquartered in Shelton. This list ranks all of them by number of employees on LinkedIn, led by MARSHALLS LLC, Pitney Bowes and Hubbell Incorporated. Their median headcount is 401. Half of them were founded in 1980 or later.

๐Ÿ‡บ๐Ÿ‡ธ Shelton42 companiesUpdated Oct 24, 2026
#CompanyIndustryHeadquarters EmployeesFounded
1
MARSHALLS LLCmarshalls.com

A retail company headquartered in Shelton, CT, United States that offers a wide range of products to consumers

Retail ๐Ÿ‡บ๐Ÿ‡ธ Shelton 16,339 n/a
2
Pitney Bowespitneybowes.com

Provides digital shipping solutions, mailing innovation, and financial services to businesses and government entities worldwide, simplifying mail and parcel sending.

Software Development ๐Ÿ‡บ๐Ÿ‡ธ Shelton 12,611 1920
3
Hubbell Incorporatedhubbell.com

Manufacturer of utility and electrical solutions focused on grid modernization, clean energy, electrification, and energy efficiency worldwide.

Appliances, Electrical, and Electronics Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Shelton 7,655 1888
4
PerkinElmerperkinelmer.com

A global provider of technology and service solutions for measuring, quantifying, detecting, and reporting in various industries to ensure quality and safety

Biotechnology Research ๐Ÿ‡บ๐Ÿ‡ธ Shelton 6,485 1937
5
Dynatadynata.com

Global leader in first-party data for insights, activation, and measurement, serving thousands of clients worldwide with trustworthy, precise data solutions for marketing needs

Market Research ๐Ÿ‡บ๐Ÿ‡ธ Shelton 4,715 n/a
6
William Raveis Real Estate, Mortgage & Insuranceraveis.com

A real estate company offering technology-driven solutions for buyers and sellers, providing detailed information, market stats, community insights, and newsletters

Real Estate ๐Ÿ‡บ๐Ÿ‡ธ Shelton 4,277 1974
7
HealthPlanOnehpone.com

A company specializing in helping people make healthcare choices, particularly focused on Medicare, with personalized service and effective lead generation strategies since 2006

Insurance ๐Ÿ‡บ๐Ÿ‡ธ Shelton 3,918 2006
8
Edgewell Personal Careedgewell.com

Global personal care company with 25+ brands, serving 50+ countries, focusing on efficiency, sustainability, and inclusive workplace culture.

Personal Care Product Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Shelton 3,354 2015
9
Gexprogexpro.com

A global electrical distributor providing supplies, solutions, and support to customers, with specialized services for industrial equipment parts and supply chain management

Appliances, Electrical, and Electronics Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Shelton 1,275 n/a
10
Survey Sampling Internationaldynata.com

Global leader in digital research data solutions for market research, consulting, media, healthcare, and corporate clients worldwide, delivering better insights and business decisions

Market Research ๐Ÿ‡บ๐Ÿ‡ธ Shelton 773 1977
11
Barnum Financial Groupbarnumfinancialgroup.com

Financial planning and consulting firm offering investment, risk management, retirement planning, tax strategies, estate conservation, and career-specific planning services nationwide since 1950

Financial Services ๐Ÿ‡บ๐Ÿ‡ธ Shelton 735 1950
12
LifeCarelifecare.com

LifeCare offers employer-sponsored work-life benefits and online discount shopping, serving Fortune 500 companies and federal government branches nationwide

Human Resources Services ๐Ÿ‡บ๐Ÿ‡ธ Shelton 721 1984
13
HCSGhcsg.net

A technology company specializing in cost containment systems and services for healthcare insurance organizations, using innovative technology to optimize programs

Insurance ๐Ÿ‡บ๐Ÿ‡ธ Shelton 613 2002
14
Butler Aerospace & Defensebutler.com

Specializing in state-of-the-art, cost-optimized solutions, we cater to Aerospace, Defense, and Federal markets by offering high-end engineering talent and flexible business models

Engineering Services ๐Ÿ‡บ๐Ÿ‡ธ Shelton 521 1947
15
EDRlightboxre.com

A company with over 30 years of experience providing comprehensive environmental risk data and workflow tools for property due diligence and compliance

IT Services and IT Consulting ๐Ÿ‡บ๐Ÿ‡ธ Shelton 509 1990
16
Precision Resource, Inc.precisionresource.com

A dynamic company specializing in fineblanking and finishing quality components for various industries, offering competitive salaries, benefits, and career opportunities

Aviation and Aerospace Component Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Shelton 482 1947
17
Career Teamcareerteam.com

Career TEAM provides workforce services and software for government and education institutions, specializing in innovative programs and solutions for workforce development

Business Consulting and Services ๐Ÿ‡บ๐Ÿ‡ธ Shelton 461 1996
18
Sperry Rail Inc.sperryrail.com

Global leader in Rail Healthยฎ solutions for over 90 years, focusing on improving safety and performance for railroads worldwide

Railroad Equipment Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Shelton 452 1928
19
Shelton School Districtsheltonschools.org

Public school district in Shelton, WA, serving over 4,440 students in grades K-12 Located in the Pacific Northwest

Education ๐Ÿ‡บ๐Ÿ‡ธ Shelton 420 n/a
20
BTX Global Logisticsbtxglobal.com

A full-service transportation and logistics organization offering time-sensitive freight services worldwide, along with supply-chain solutions and specialized warehouse services

Transportation, Logistics, Supply Chain and Storage ๐Ÿ‡บ๐Ÿ‡ธ Shelton 416 1980
21
Budderflybudderfly.com

A leading Energy as a Service company installing patented technologies for businesses to reduce energy costs and carbon footprint

Facilities Services ๐Ÿ‡บ๐Ÿ‡ธ Shelton 401 2007
22
KOTAkotasolutions.com

A fast-growing document solution provider offering digital office technology sales, service, and integration, with a vendor-agnostic approach for optimal technology recommendations

Business Supplies & Equipment ๐Ÿ‡บ๐Ÿ‡ธ Shelton 378 2014
23
Mason Healthmasonhealth.com

A top rural hospital district with over 100 physicians in 19 specialties, dedicated to providing quality care and preserving health in the community

Hospitals and Health Care ๐Ÿ‡บ๐Ÿ‡ธ Shelton 345 1968
24
RecruitingBlogs.comrecruitingdaily.com

The company provides global resources for professionals in human resources, talent acquisition, recruitment marketing, compliance, and diversity and inclusion sectors

Online Audio and Video Media ๐Ÿ‡บ๐Ÿ‡ธ Shelton 342 2007
25
SSC, Inc.smgcorporateservices.com

A fourth-generation family-owned business offering security, training, background screening, investigations, cleaning, janitorial, and property maintenance services Providing Reliability At Every Level

Security and Investigations ๐Ÿ‡บ๐Ÿ‡ธ Shelton 326 1974
26
TMCtmcnet.com

This company provides content-driven marketplaces for global buyers, offering branding, thought leadership, lead generation opportunities, online communities, lead programs, events, and custom content services

Technology, Information and Media ๐Ÿ‡บ๐Ÿ‡ธ Shelton 321 1972
27
Saisystems Healthsaisystems.com

Healthcare solutions provider specializing in managed services and telemedicine software for long-term post-acute care industry, offering electronic health records and practice management

Hospitals and Health Care ๐Ÿ‡บ๐Ÿ‡ธ Shelton 280 1987
28
Clarion Events Inc. - North Americaus.clarionevents.com

A rapidly growing event organizer in the US, hosting various types of events led by industry experts and community enthusiasts

Events Services ๐Ÿ‡บ๐Ÿ‡ธ Shelton 244 1995
29
NSSFโ€”The Firearm Industry Trade Associationnssf.org

This organization is a trade association for the firearm industry, promoting and preserving hunting and shooting sports since 1961

Sporting Goods Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Shelton 185 1961
30
BMG360bmg360.com

A tech-enabled performance marketing agency focused on delivering results through data-driven media placements, analytics, creative development, and customized algorithms

Advertising Services ๐Ÿ‡บ๐Ÿ‡ธ Shelton 180 2003
31
RightCapitalrightcapital.com

Financial planning software helping advisors create personalized plans for clients, simplifying retirement scenarios, tax strategies, insurance evaluation, student loans, and estate planning

Financial Services ๐Ÿ‡บ๐Ÿ‡ธ Shelton 154 2015
32
Advanced Radiology Consultantsadrad.com

A leading diagnostic imaging center in Southern Connecticut offering General X-ray, Mammography, MRI, CT, PET, and Nuclear Medicine services with experienced radiologists

Hospitals and Health Care ๐Ÿ‡บ๐Ÿ‡ธ Shelton 154 n/a
33
COMET Technologies USA, Inc.comet-pct.com

Global provider of x-ray, ebeam, and RF technologies for various industries, offering high-quality systems, components, and services worldwide

Appliances, Electrical, and Electronics Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Shelton 148 1992
34
i-Health, inc., a dsm-firmenich companydsmihealth.com

Global consumer health and wellness company developing, marketing, and distributing branded products with a focus on quality, research, and innovation

Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Shelton 146 n/a
35
Spine Wave, Inc.spinewave.com

A company focused on developing and commercializing innovative, surgeon-driven spinal surgical solutions to restore function and improve quality of life

Medical Equipment Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Shelton 96 2001
36
DiMatteo Insurancecrossagency.com

A family-owned business offering a wide range of insurance, financial, and tax services with a focus on exceptional customer service They also support various charitable organizations

Insurance ๐Ÿ‡บ๐Ÿ‡ธ Shelton 34 1960
37
Huntington Powerhuntingtonpower.com

A power systems leader providing products, services, and solutions for emergency, standby, and critical power needs, with expertise in design-build and installation services

Appliances, Electrical, and Electronics Manufacturing ๐Ÿ‡บ๐Ÿ‡ธ Shelton 29 1976
38
Wright Investors'โ€‹ Servicewrightinvestorsservice.com

An investment management and financial advisory firm specializing in sophisticated strategies to help institutions and individuals achieve their financial objectives

Investment Management ๐Ÿ‡บ๐Ÿ‡ธ Shelton 28 1960
39
TranSigmatransigma.com

A process-driven consulting firm specializing in Cybersecurity, Process Transformation, and Strategy Realization, helping organizations drive growth and achieve strategic objectives

Business Consulting and Services ๐Ÿ‡บ๐Ÿ‡ธ Shelton 21 2005
40
Investment Capital Partners, Ltd.icpltd.net

Experienced team offering comprehensive commercial real estate services including property transactions, fundraising, advisory, asset and property management, and construction management

Real Estate ๐Ÿ‡บ๐Ÿ‡ธ Shelton 17 1997
41
D.W. Van Dyke & Co.dwvd.com

A privately held reinsurance intermediary designing risk transfer programs and providing solutions with experienced insurance and reinsurance underwriters

Insurance ๐Ÿ‡บ๐Ÿ‡ธ Shelton 16 1978
42
Productivity Inc.productivityinc.com

A leading consulting and education provider helping companies in various sectors improve capabilities, provide better customer experiences through operational excellence, innovation, and leadership

Business Consulting and Services ๐Ÿ‡บ๐Ÿ‡ธ Shelton 8 1979

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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