| # | Company | Employees |
|---|---|---|
| 1 |
Proformaproforma.com
A marketing and graphic communications company serving North American businesses with a focus on maximizing sales, profit, security, and free time for clients |
1,233 |
| 2 |
Organicorganic.com
An innovative brand agency specializing in digital design and precision marketing solutions, with a focus on creative excellence and customer experience |
745 |
| 3 |
OuterBoxouterboxdesign.com
A leading provider of website design, eCommerce, and SEO services with a team of industry experts focused on driving revenue growth |
519 |
| 4 | 452 | |
| 5 |
Olberding Brand Familyolberdingbrands.com
An established family-owned brand optimization company offering integrated services for package design, eComm assets, and printing plates with a focus on quality and customer service |
374 |
| 6 |
Avery Dennison Graphics Solutionsgraphics.averydennison.com
A global leader in providing imaging materials and service solutions for fleet, architecture, and transportation markets, bringing brand visions to life creatively |
370 |
| 7 |
GSW, powered by Syneos Healthgsw-w.com
A full-service communications agency specializing in health and wellness, offering advertising, digital marketing, strategic insight, market research, and media services |
343 |
| 8 |
Innomark Communicationsinnomarkcom.com
Innomark provides Visual Marketing solutions for exceptional retail experiences, connecting brands and consumers through in-house design, printing, manufacturing, and fulfillment |
333 |
| 9 |
Touchstone (powered by Boundless)tmgideas.com
The company creates immersive brand experiences, connects with consumers through merchandise, and challenges the status quo for innovative solutions |
327 |
| 10 |
The Shipyardtheshipyard.com
This independent agency specializes in building performance-driven brands through bold creativity and validated marketing decisions to engineer brand love |
325 |
| 11 |
Harthartinc.com
A brand transformation agency dedicated to moving brands to better places for a better world, emphasizing progress and growth #EveryDayGreater |
233 |
| 12 |
Kaeser & Blair, Inc.kaeser-blair.com
Flexible work-at-home opportunity providing distributor services in the promotional products industry with no inventory management, high earnings potential, and ongoing support for independent authorized dealers |
203 |
| 13 | 186 | |
| 14 |
NAS Recruitment Innovationnasrecruitment.com
Providing strategic technology and expert consulting to attract and engage quality talent across major U.S. and Canadian markets. |
185 |
| 15 |
Marcus Thomas LLCmtllc.com
Integrated marketing communications agency at the intersection of brand and digital, focused on audience insight, idea generation, and alternative delivery for various industries |
171 |
| 16 |
InfoTrustinfotrust.com
A privacy-centric digital analytics solutions company empowering marketers to make data-driven decisions for enterprise organizations in various industries |
166 |
| 17 | 166 | |
| 18 |
2060 Digital2060digital.com
A performance marketing agency specializing in Google and social media advertising, landing page creation, and web design to drive business growth |
162 |
| 19 |
The Shamrock Companiesshamrockcompanies.net
A full-service integrated marketing company with over 30 years of experience offering strategic marketing, creative design, premium promotions, fulfillment, and data management services nationwide |
158 |
| 20 |
Berry Networkberrynetwork.com
Specializing in dynamic digital marketing and advertising programs for multi-location brands, driving local leads through search, social, mobile, and reputation management |
153 |
| 21 |
The Adcom Groupengageadcom.com
The company specializes in developing brand platforms, building brand identity, and generating demand through powerful creative ideas and strategic direction |
147 |
| 22 |
Cox Media Group Ohiocmglocalsolutions.com
A media group in Ohio with 93% market reach in Dayton-Springfield, owning powerful media brands and offering various marketing solutions for success |
133 |
| 23 |
500 Degreesweare500degrees.com
This company leverages creativity and technology to engage and convert audiences, inspiring brand loyalty and driving sales growth through strategic marketing solutions |
101 |
| 24 |
Precision Dialogue, an RRD companyprecisiondialogue.com
An analytics-driven firm specializing in multi-channel customer engagement, using customer insights to drive relevant communications and improve marketing ROI |
53 |
| 25 |
Fuego Leads, LLCfuegoleads.io
Specializing in advertising and technology, this company helps businesses increase domain presence, generate high-quality leads, and reduce customer acquisition costs using contact center technology |
32 |
| 26 |
Live Reps Call Centerliverepscallcenter.com
An expert Inbound/Outbound Call Center providing professional staff to enhance customer experiences, increase satisfaction, and boost sales for clients |
31 |
| 27 |
Digico Imaging, Inc.digicoimaging.com
Specialists in creating visual displays, offering wide format printing, dimensional signage, LED lighting solutions, woodworking, and installation services for full scope projects |
30 |
| 28 |
Futuretyfuturety.com
Data analytics and digital marketing agency specializing in understanding organizational data to fuel targeted digital marketing strategy through visualization and consulting services |
28 |
| 29 |
The Web and Marketing Bureau, LLCwebandmarketingusa.com
This company offers customizable software solutions that evolve with your needs, from logo design to website development and call support services |
26 |
| 30 |
Haines Local Searchhaineslocalsearch.com
Connecting buyers and sellers through local search marketing solutions for small and medium sized businesses, including print, internet, and mobile advertising |
20 |
| 31 |
Insiviainsivia.com
It provides innovative marketing and sales solutions, focusing on growth strategies, interactive content, and smarter sales processes for ambitious companies. |
18 |
| 32 |
Action Coupling & Equipmentactioncoupling.com
The company specializes in delivering high-quality products efficiently, emphasizing teamwork and dedication to their motto "Action Delivers" |
16 |
| 33 |
Axiom Advertisingaxiomadvertising.net
Ohio's top sports and entertainment marketing firm, partnering with top clients to deliver results-driven marketing solutions in a dynamic environment |
15 |
| 34 |
Performance Marketing Group, Inc.performancecorporate.com
Performance Marketing Group transforms digital presence into growth engines through advanced online strategies, custom solutions, website design, content creation, and technology integration Elevate your digital strategy today |
2 |
| 35 |
OpenMindd Ecom | An Ecommerce Growth Agencyopenminddecom.com
Specializing in e-commerce strategies, our team helps brands optimize their presence on Amazon, Walmart, Etsy, eBay, and beyond through data-driven results and customer-focused decisions |
2 |
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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.
More company lists in Ohio
- The largest companies in Ohio 2,618
- Manufacturers in Ohio 197
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- Financial services firms in Ohio 114
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- IT Services and IT Consulting companies in Ohio 109
- Critical infrastructure operators in Ohio 105
- Machinery Manufacturing companies in Ohio 94
- Healthcare providers in Ohio 90
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- Financial Services companies in Ohio 83
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- Hardware manufacturers in Ohio 76
- Retail companies in Ohio 73
- Insurance companies in Ohio 72
- Public sector organisations in Ohio 70
- Real Estate companies in Ohio 67
- Manufacturing companies in Ohio 66
- Education Administration Programs companies in Ohio 64
- SaaS companies in Ohio 64
The same list elsewhere in United States
- Advertising Services companies in the United States 1,564
- Advertising Services companies in New York State 412
- Advertising Services companies in California 222
- Advertising Services companies in Florida 104
- Advertising Services companies in Illinois 86
- Advertising Services companies in Texas 81
- Advertising Services companies in Georgia 42
- Advertising Services companies in Massachusetts 39
- Advertising Services companies in New Jersey 39
- Advertising Services companies in Pennsylvania 38
- Advertising Services companies in North Carolina 35
- Advertising Services companies in Minnesota 34
- Advertising Services companies in Colorado 32
- Advertising Services companies in Michigan 32
- Advertising Services companies in Virginia 25
- Advertising Services companies in New York 345
- Advertising Services companies in Chicago 52
- Advertising Services companies in Los Angeles 52
- Advertising Services companies in Atlanta 28
- Advertising Services companies in San Francisco 28