Tulsa Advertising Agency

Diversity is our Strength

The C3 Group is an advertising agency located in Tulsa, Oklahoma. Since 2005 C3 has provided award-winning services that include graphic design, web design, branding, campaign creation, marketing consulting, social media strategy, billboard and digital media. C3 is an Indian-owned business and is HUBZone certified with the SBA.

Diverse Clients

C3 is a leader in diverse clients, namely commercial, tribal and federal. Since our start in 2005, we have gained solid experience in all three categories making us the most diverse agency in Oklahoma.

Diverse Services

Diverse clients bring diverse services. C3 provides award-winning marketing services which include digital marketing, graphic design, publishing, public relations, media strategy and marketing consulting.

Diverse Employees

Diverse services requires diverse employees. Our employees have unique interests and experiences to best understand our clients’ needs. Our employees’ backgrounds are as important as the skills they bring.

Project Spotlight

North Dakota Army National Guard

Digital media advertising campaign to generate quality leads using Facebook, Instagram, Snapchat, YouTube, Programmatic and Geo-targeting. In one year more than 13,000,000 impressions reached NDARNG’s target audience! A strategic lead capturing web page was developed to send the leads directly to recruiters.

Awards and Certifications


C3 works with several federal agencies within the Department of Defense, Department of Interior and Health and Human Services

Federal certifications include:

Awards include:

Federal agencies/contractors can find us on SAM.gov


C3 takes pride in our work. As a result, our talented staff has developed effective, memorable and often award-winning campaigns.

Award winning campaigns/projects include:

  • Addy for Interactive Web Banners
  • Addy for Radio Campaigns
  • Addy for Outdoor Billboard
  • Addy for Poster Campaigns
  • Addy for Interactive Promotion
  • Addy for Photos
  • Addy for Graphic Illustration/Designs
  • Numerous community awards

Owner, Bobby Cook has participated in the SBA’s Emerging Leaders Program and employees hold degrees in their respective fields.


C3 is proud to be a certified Indian-Owned business and we enjoy participating in Native cohorts.

Our work with Indian Health Services, Cherokee Nation and Navajo Nation has lead us to become certified in Basic Tobacco Intervention Skills for Native Communities.

C3 created and manages the largest online directory of Indian-owned business, CherokeeTERO.com. C3 loves helping other Native businesses gain exposure. As a result, C3 has created positive relationships with many Native businesses.

Accordingly, C3’s owner has also been recognized by NCAIED’s Native American 40 under 40 for his commitment to making a difference in Indian Country.