| # | Company | Employees |
|---|---|---|
| 1 |
Air National Guardairforce.com
Provides part-time military service with high-tech career training, college tuition assistance, and federal benefits while serving in local units near home. |
12,937 |
| 2 |
Bimbo Bakeries USAbimbobakeriesusa.com
A leading baking company in the US, part of a global group, known for popular bread, cake, and snack brands |
11,648 |
| 3 |
Language Services Associateslsa.inc
Global language services provider, offering solutions in interpretation, translation, localization, and assessments to help individuals and companies thrive internationally |
2,287 |
| 4 |
C&D Technologiescdtechno.com
produces, markets systems for power conversion, storage of electrical power, including industrial batteries and electronics for reserve power and electronic power supplies. |
1,810 |
| 5 |
ClinChoiceclinchoice.com
A global clinical CRO offering high-quality, efficient solutions to clients worldwide in biostatistics, clinical operations, data management, regulatory affairs, and more |
1,624 |
| 6 |
Inframarkinframark.com
Specializing in water infrastructure management, operations, and support services, we tailor solutions for clients to achieve performance, safety, compliance, and reliability |
1,527 |
| 7 |
AAMCO Transmissions and Total Car Careaamco.com
A leader in transmission repair and car care services with over 600 locations in North America, serving over 35 million drivers |
1,278 |
| 8 |
AnswerNetanswernet.com
An experienced call center partner offering a wide range of telephony services to help businesses grow and improve efficiency with exceptional customer service |
978 |
| 9 |
Hatboro-Horsham School Districthatboro-horsham.org
A school district focused on promoting equity, diversity, and inclusion, creating safe and challenging environments for students to excel academically and socially |
533 |
| 10 |
CRC Industriescrcindustries.com
Production of specialty chemical products and formulations for maintenance, repair, and operations across automotive, industrial, electrical, marine, and aviation sectors worldwide. |
509 |
| 11 |
Accelerated Enrollment Solutionstrialmed.com
AES helps biopharmaceutical companies with patient recruitment and research site challenges, offering global solutions for clinical trial delivery and patient enrollment |
424 |
| 12 |
NMS Labsnmslabs.com
A leading national reference laboratory providing state-of-the-art forensic and clinical toxicology testing, research support, and expert consultative services worldwide |
407 |
| 13 |
LexisNexis Life Sciences Solutionsreedtech.com
A tech partner for healthcare, Reed Tech helps meet regulatory requirements with data conversion, publishing, and electronic submissions for life sciences |
390 |
| 14 |
LexisNexis Reed Tech (Corporate)reedtech.com
Enabling advancement in innovation by providing workflow solutions for researchers, law firms, patent offices, and more to achieve superior results worldwide |
369 |
| 15 |
Myonexmyonex.com
A global clinical trial supply company offering end-to-end services including drug sourcing, packaging, patient solutions, and equipment & supplies GMP and GDP compliant facilities worldwide |
359 |
| 16 |
Music Choicemusicchoice.com
A multi-platform video and music network providing uninterrupted music programming to 49 million households in North America |
356 |
| 17 |
TherapyNotes, LLCtherapynotes.com
Provides an online practice management system for behavioral health, offering robust notes, scheduling, and billing features designed for mental health practitioners' needs. |
352 |
| 18 |
Turn 14 Distribution, Inc.turn14.com
Performance Warehouse Distributor with multiple distribution facilities strategically located across the US, specializing in niche vehicle markets with full product lines and efficient order fulfillment services globally |
322 |
| 19 |
Chapman Auto Storeschapmanautogroup.com
Providing high quality vehicle sales, service, and accessories with 7 locations in the tristate area, offering a wide selection of new and certified pre-owned vehicles |
175 |
| 20 |
Q-mationq-mation.com
This company is a sales, support, and training organization specializing in AVEVA software solutions for corporate end-users, manufacturing sites, and OEMs |
163 |
| 21 |
LexisNexis Intellectual Property Solutionslexisnexisip.com
A global provider of intellectual property solutions, analytics, and workflow tools to help businesses make informed decisions and achieve a competitive advantage |
163 |
| 22 |
DRUGSCANdrugscan.com
National toxicology and infectious disease testing laboratory offering prescription drug monitoring, specialized drug testing, workplace drug testing, and COVID-19 testing services |
147 |
| 23 |
LIQUENT, a Calyx Companycalyx.ai
The company has rebranded as Calyx and focuses on AI technology Visit their latest updates at Calyx AI's LinkedIn page |
93 |
| 24 |
SSC Space U.S. (formerly Universal Space Network)sscspace.com
The company provides ground network support for mission-critical space operations, ensuring secure data distribution for space users to benefit Earth |
59 |
| 25 |
Sharp Financialsharpllc.com
Integrated financial management firm offering business strategy, accounting, tax, wealth management, investment banking, and family office services to help clients achieve extraordinary results globally |
53 |
| 26 |
Augmentiraugmentir.com
Provider of AI-based connected worker software for industrial companies, optimizing safety, quality, and productivity through digital workflow, remote collaboration, and AI-powered tools |
37 |
| 27 |
MSC: Materials | Structures | Compositesmsc-llc.com
Innovative end-to-end solutions for aerospace, defense, and marine industries using advanced materials with a focus on precision and quality |
29 |
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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