| # | Company | Employees |
|---|---|---|
| 1 |
Advantage Solutionsyouradv.com
Provider of outsourced sales and marketing services including retail merchandising, digital commerce, sampling, and omnichannel marketing for consumer goods companies. |
27,762 |
| 2 |
Premium Retail Servicespremiumretail.com
A leading company in the US and Canada helps brands develop winning retail strategies, train associates, engage customers, and drive sales growth |
6,209 |
| 3 |
Maritzmaritz.com
A behavioral science-driven company solving business challenges for Fortune 500 clients through research, incentives, rewards, experience design, and events services and solutions |
3,349 |
| 4 |
BarkleyOKRPbarkleyokrp.com
Full-service independent agency creating bold, modern consumer-focused work with comprehensive capabilities, recognized for culture, growth, and diversity excellence. |
868 |
| 5 |
Marketing.commarketing.com
Revolutionizing marketing by providing end-to-end multi-touch campaigns including design, implementation, fulfillment, and tracking for business growth through tailored solutions |
771 |
| 6 |
Abstrakt Marketing Groupabstraktmg.com
Provides sales appointment setting, inbound marketing, SEO, creative services, video production, Salesforce consulting, and talent solutions for business growth. |
692 |
| 7 |
Bernstein-Rein Advertisingb-r.com
Retailigent庐 approach at a seasoned company combines consumer insights and brand purpose to drive growth and impact the future of retail |
618 |
| 8 |
HLKhlkagency.com
The company engages with hardworking individuals who have high expectations, turning conversations into digital, personal, and financial interactions |
434 |
| 9 |
Farm Journalfarmjournal.com
Leading agriculture company engaging various industry stakeholders through iconic brands in row-crop farming, livestock production, equipment sales, and food production |
401 |
| 10 |
Sullivan Higdon & Sinksignaltheory.com
Award-winning marketing agency specializing in creating standout brand experiences through human-centered design Focus areas include food and animal health industries |
377 |
| 11 | 358 | |
| 12 |
Barkleybarkleyokrp.com
A leading full-service independent agency in the US, specializing in bold, modern work for consumers and building whole brands |
318 |
| 13 |
Missouri School of Journalismjournalism.missouri.edu
Innovative journalism school offering the world's first journalism degrees, providing hands-on experience in professional newsrooms and advertising agencies |
302 |
| 14 |
Global Prairieglobalprairie.com
A purpose-driven marketing firm crafting business solutions for social impact and a healthier world through creativity, data analytics, and consulting |
214 |
| 15 | 201 | |
| 16 |
True Mediatruemediaservices.com
An independent media agency helps brands connect with customers by providing deep media expertise across digital, traditional, and performance channels |
190 |
| 17 |
Integrityintegrityxd.com
Integrity is a user experience web agency based in St Louis, offering services such as website and mobile app design, user experience consulting, and branding |
182 |
| 18 | 122 | |
| 19 |
Arsenal Business Growtharsenalbg.com
Specializing in building sales pipelines and closing deals to drive business growth |
89 |
| 20 |
BAM Marketing Agencybammarketingagency.com
A full-service marketing and advertising agency located in St Louis, focusing on brand building, engagement, and creating meaningful work |
48 |
| 21 |
LinkedSellinglinkedselling.com
B2B Lead Generation and Sales Development firm helping companies struggling with ROI, bandwidth, or past agency experiences to generate qualified leads and appointments |
37 |
| 22 |
Marknologymarknology.com
Global e-commerce marketing agency specializing in building brands, launching products online, and maximizing sales through targeted multi-channel marketing on platforms like Amazon and Shopify |
24 |
| 23 |
Evolytics | A Concord Companyconcordusa.com
A digital analytics agency specialized in creating actionable insights from data for top global brands through strategy, engineering, visualization, and training |
18 |
| 24 |
Tremendousnesstremendo.us
A visual communications firm specializing in making complex ideas understandable and engaging through visual communication and digital storytelling |
10 |
| 25 |
Big Rush Marketingbigrush.com
Big Rush Marketing specializes in delivering customized solutions for businesses by getting to know their goals, needs, and personalities to help them thrive |
9 |
| 26 |
Out of Bounds Communications LLCoutofboundscommunications.com
A digital marketing agency specializing in e-commerce, offering services in advertising, SEO, content marketing, web analytics, social media, and website design/development |
2 |
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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 Nov 2, 2026.
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The same list elsewhere in United States
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