This list of companies in Columbia primarily features mid-sized to large firms across diverse sectors, including technology, professional services, and manufacturing. Merkle specializes in customer experience management, while W. R. Grace supplies catalysts and engineered materials. Tenable focuses on cybersecurity solutions, and Pure Fishing manufactures fishing tackle. These companies reflect a broad economic base.
A notable pattern is the concentration of headquarters within Columbia itself, indicating a strong local business environment. The companies range from established entities like W. R. Grace, founded in 1937, to newer firms such as Blend, established in 2016, showcasing a mix of mature industries and emerging technology-driven businesses.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Merklemerkle.com
A leading CXM company specializing in delivering personalized customer experiences through data, technology, analytics, and marketing strategies for Fortune 1000 companies |
5,624 | |||
| 2 |
W. R. Gracegrace.com
Supplies catalysts, engineered materials, process technologies, fine chemicals. Industries enhance modern life. Manufactures renewable fuels, pharmaceuticals, food packaging better, faster, smarter. |
4,244 | |||
| 3 |
The Cleaning Authoritythecleaningauthority.com
A valuable home cleaning franchise opportunity for forward-thinking entrepreneurs to invest in themselves and build a rewarding business for the future |
2,492 | |||
| 4 |
Tenabletenable.com
Exposes and closes cybersecurity gaps, unifies security visibility, insight, and action across the attack surface for organizations globally. |
2,361 | |||
| 5 |
Jensen Hughesjensenhughes.com
A global leader in fire protection engineering and risk management, offering expertise in safety and security consulting, emergency management, and digital innovation |
1,851 | |||
| 6 |
Pure Fishingpurefishing.com
Global provider of fishing tackle, lures, rods, and reels, offering diverse brands to enhance anglers' experiences and promote sustainable fishing practices worldwide. |
1,208 | |||
| 7 |
Blendblend360.com
A premier AI services provider combining data science, technology, and human expertise to co-create impactful solutions for clients Unlocking value through innovation |
823 | |||
| 8 |
Tatetateglobal.com
The company specializes in access floor and underfloor service distribution solutions for high-performance, sustainable commercial and data center environments, optimizing energy efficiency and infrastructure flexibility |
817 | |||
| 9 |
Infojini Incinfojiniconsulting.com
Delivers innovative IT services and solutions, empowering startups and enterprises through software engineering, cloud, data, and cybersecurity expertise. |
786 | |||
| 10 | 590 | ||||
| 11 |
Medico Healthcare Services & Technologiesmedicoinc.com
Healthcare services and technology company specializing in medical billing, consulting, practice analytics, and revenue cycle management solutions for healthcare practices |
566 | |||
| 12 |
LexiCodelexicode.com
Industry-leading Health Information Management services with a team of over 1,700 credentialed professionals offering medical coding, auditing, education, and consulting solutions |
499 | |||
| 13 |
Technetics Grouptechnetics.com
Design and manufacture custom-engineered seals, components, and sub-systems for extreme applications in semiconductor, aerospace, nuclear, and life sciences industries. |
467 | |||
| 14 |
IUEC - International Union of Elevator Constructorsiuec.org
The company represents over 27,000 skilled elevator constructors in the US and Canada, shaping skylines and keeping nations moving |
446 | |||
| 15 |
Abbottabbott-pm.com
An integrated project management firm offering services in asset management, project controls, training, field services, and engineering across multiple sectors |
439 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Structural Groupstructuralgroup.com
A leader in specialty construction industry offering technology-driven solutions to sustain, enhance, repair, and protect infrastructure with turnkey services and engineered solutions |
414 | |||
| 17 |
GSE Solutionsgses.com
Innovative company specializing in engineering solutions for the power industry, focusing on design support, simulation, optimization, training, and staffing worldwide |
411 | |||
| 18 |
Pearson Online & Blended Learningpearson.com
Providing high-quality online education solutions for K-12 students and schools worldwide, including digital learning programs and online school options |
409 | |||
| 19 |
Ambu USAambuusa.com
Design and manufacture of life-saving medical devices including resuscitators and single-use endoscopy products for patient care. |
383 | |||
| 20 |
StorageMartstorage-mart.com
StorageMart provides storage solutions for small businesses and large corporations, operating over 300 facilities in the US, Canada, and the UK They also support various charitable causes globally |
379 | |||
| 21 |
LTNltnglobal.com
Leader in media technology offering integrated solutions to create, transform, deliver, and monetize content at scale through a fast, reliable IP video network ecosystem |
367 | |||
| 22 |
PrimeSoft Solutions, Inc.primesoft.net
IT services firm specializing in product development, offering services in cloud, DevOps, QA, and consulting to clients in various industries for strategic cost advantage |
345 | |||
| 23 |
Authority Brandsauthoritybrands.com
Authority Brands supports home service franchise owners with training, operational support, marketing systems, and technology so they can deliver excellent service to local customers |
326 | |||
| 24 |
Connections Educationconnectionsacademy.com
Provider of high-quality online education solutions for K-12 students, offering digital learning platforms and curriculum to schools and families worldwide |
295 | |||
| 25 |
MAVERICK Technologies, A Rockwell Automation Companyrockwellautomation.com
A global professional services firm specializing in industrial automation, enterprise integration, and sustainability services, delivering innovative solutions with deep technical knowledge |
243 | |||
| 26 |
Movilitas, A Company of the Engineering Groupmovilitas.com
Leader in technology solutions for smart supply chain & manufacturing ecosystems, specializing in SAP digital transformation, compliance, track & trace, asset management, and consulting services globally |
199 | |||
| 27 |
ABC Laboratorieseurofins.com
Global scientific services company offering multidisciplinary expertise in life, materials, and engineering sciences to help clients innovate, ensure quality, and comply with global regulations |
196 | |||
| 28 |
nTech Workforcentechworkforce.com
An award-winning workforce solutions company providing recruitment, talent pipelining, and diverse talent ecosystem services to help companies build winning teams |
183 | |||
| 29 |
Lotamelotame.com
End-to-end data collaboration platform for digital marketers, agencies, and media owners to onboard, access, analyze, and activate consumer data for successful business outcomes. |
125 | |||
| 30 |
Shakespeare Companyshakespeareco.com
A material science company providing innovative solutions for automotive, consumer products, healthcare, and more, with a diverse portfolio and proprietary technologies |
104 | |||
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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 Nov 11, 2026.
More company lists in Columbia
- The largest companies in Columbia 296
- IT Services and IT Consulting companies in Columbia 37
- IT services companies in Columbia 36
- Education providers in Columbia 31
- Financial services firms in Columbia 26
The same list elsewhere in United States
- Multinational companies in the United States 16,197
- Multinational companies in California 2,592
- Multinational companies in New York State 2,216
- Multinational companies in Texas 1,418
- Multinational companies in Florida 897
- Multinational companies in Illinois 831
- Multinational companies in Massachusetts 637
- Multinational companies in New Jersey 624
- Multinational companies in Georgia 521
- Multinational companies in Pennsylvania 472
- Multinational companies in Michigan 468
- Multinational companies in Alabama 416
- Multinational companies in Virginia 396
- Multinational companies in Ohio 390
- Multinational companies in North Carolina 358
- Multinational companies in Washington State 288
- Multinational companies in Colorado 228
- Multinational companies in New York 1,836
- Multinational companies in San Francisco 446
- Multinational companies in Houston 402
- Multinational companies in Chicago 366
- Multinational companies in Miami 289
- Multinational companies in Atlanta 252
- Multinational companies in Boston 241