| # | Company | Employees |
|---|---|---|
| 1 | 80,633 | |
| 2 |
Kimley-Hornkimley-horn.com
providing comprehensive planning and design consulting services across multiple disciplines with a client-focused approach and recognized workplace quality |
10,392 |
| 3 |
Cherry Bekaertcbh.com
Specialized CPA firm providing tax, audit, assurance, digital consulting, M&A advisory, business valuations, and strategic tax planning services. |
3,311 |
| 4 |
Premier Researchpremier-research.com
Global clinical research and consulting services specializing in biotech, accelerating drug development, overcoming trial challenges, and delivering personalized end-to-end solutions. |
2,858 |
| 5 |
ProPharmapropharmagroup.com
Regulatory, clinical research, compliance, and pharmacovigilance services for pharmaceutical and biotech industries to accelerate therapy development through an advise-build-operate consulting model. |
2,246 |
| 6 |
Syneos Health Clinical Solutionssyneoshealth.com
A leading biopharmaceutical solutions organization accelerating customer success by translating insights into outcomes and delivering important therapies worldwide |
1,569 |
| 7 |
Alpine Intelalpineintel.com
Providing expert, specialized investigations and high-quality solutions across property, auto, liability, and workers comp insurance nationwide. |
1,482 |
| 8 | 1,437 | |
| 9 |
Emergysemergys.com
Empowers businesses to align IT strategies with long-term objectives through comprehensive solutions in enterprise, AI, data, and modern applications, driving innovation and growth. |
1,413 |
| 10 |
S&MEsmeinc.com
With over 50 years of experience, we provide engineering, environmental services, and construction testing to solve complex challenges and create positive community impacts |
1,204 |
| 11 |
Syneos Health Commercial Solutionssyneoshealth.com
A fully integrated biopharmaceutical solutions organization specializing in accelerating customer success by translating insights into outcomes for modern market realities |
1,064 |
| 12 |
INC Researchsyneoshealth.com
Syneos Health provides integrated solutions for biopharmaceutical companies, offering expertise, data, and insights to accelerate clinical and commercial success |
994 |
| 13 |
The Select Groupselectgroup.com
Technology consulting firm providing cloud, cybersecurity, data, digital transformation, learning, and project management services across multiple industries. |
936 |
| 14 |
Steritechsteritech.com
Leaders in assessments and consulting for multi-location businesses, focusing on operational consistency, growth acceleration, risk mitigation, and customer experience improvement |
898 |
| 15 |
FMIfmicorp.com
A leading consulting and investment banking firm specializing in engineering, construction, infrastructure, and the built environment for over 65 years |
884 |
| 16 |
McKim & Creed, Inc.mckimcreed.com
Engineering and surveying firm using innovative tools to solve infrastructure challenges and improve lives through clean water, energy-efficient facilities, and sustainable communities |
866 |
| 17 |
Transportation Insighttransportationinsight.com
provides expert logistics solutions and technology for transportation planning, freight auditing, parcel optimization, and carrier procurement |
826 |
| 18 |
Veranexveranex.com
Global innovation contract research organization, providing integrated product development and contract research services for medical devices and in-vitro diagnostics. |
720 |
| 19 |
Infocenterinfocenter.io
Global Elite partner specializing in ServiceNow solutions for Healthcare, Financial Services, Manufacturing, Telecom/Technology/Business Services Award-winning team driving digital transformation worldwide |
702 |
| 20 |
RapidScalerapidscale.net
Transform your technology into a strategic advantage with a wide range of customizable cloud solutions and expert support services |
616 |
| 21 |
DynPro Inc.dynpro.com
Provides global technology consulting and systems integration, specializing in digital transformation, data modernization, AI, and enterprise platforms for various industries. |
611 |
| 22 |
Inspiredge IT Solutionsinspiredgeit.com
A leading digital transformation services provider based in India, known for being a "Great Place to Work" Certified organization |
525 |
| 23 |
ALTEN Technology USAaltenusa.com
An engineering services company providing solutions for engineering, technology, and product development projects across industries like aerospace, medtech, and automotive |
435 |
| 24 |
ScottMadden, Inc.scottmadden.com
A results-oriented management consulting firm offering strategic planning and implementation services across various industries and business functions |
267 |
| 25 |
General Informatics, East Officegeninf.com
The company enhances business performance through technology, offering tailored solutions, software management, strategic planning, solution evaluation, and technology deployment services |
39 |
| 26 |
Bespoke Sports & Entertainmentbespokesportsmarketing.com
Sports and entertainment consulting agency specializing in partnerships, sponsorship investment, personalized marketing solutions, and brand activation with experienced industry veterans |
33 |
| 27 |
Agile Directiveagiledirective.com
A technology services firm with over 20 years of experience, specializing in e-commerce, cloud services, and development to address industry issues |
32 |
| 28 |
Chainyardchainyard.com
Specializing in blockchain and digital transformation solutions, we help enterprises across various industries improve efficiency and gain a competitive advantage |
25 |
| 29 |
Proxim Systemsproximsystems.com
Strategic advice, staffing, and custom solutions provider with a focus on delivering results to Public Sector agencies and Commercial clients Specializing in IT security and cloud migration |
24 |
| 30 |
Innovative Solutions Group, Inc.innsolgroup.com
A technology and business solutions provider focused on digital transformation, system development, and workforce enablement to help companies achieve their objectives |
4 |
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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.
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The same list elsewhere in United States
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