Humhaus
- A design studio that offers creative services to small businesses and corporations using branding and identity, web sites, marketing materials, advertising impact, interactive content, motion graphics, and photography.
- http://www.humhaus.com

Pro Motion Mobile Marketing
- Promotional company focused on mobile marketing and field sampling programs that utilize touring promotional vehicles.
- http://www.promotion1.com

American Marketing Association
- Contains membership information, job opportunities, an upcoming events schedule, and links to related marketing web sites.
- http://www.ama-stl.org

Osborn and Barr Communications
- St. Louis and Kansas City advertising and marketing agency focuses on market segmentation, brand management, product branding and sales promotion.
- http://www.osborn-barr.com/

Adamson Advertising
- A full service marketing communications firm. Includes portfolio, list of clients, and capabilities.
- http://www.adamsonadvertising.com/

The ORCA Partnership
- Advertising in the St. Louis, Missouri area. Contact information and links to some of their website creations.
- http://www.orcastl.com/

St. Louis Direct Marketing Association
- St. Louis DMA and Internet Council sponsors direct marketing workshops and seminars, and provides marketing articles and resources covering database marketing and direct mail.
- http://www.dmastl.org/

Ervin Marketing Creative Communications
- An energetic marketing communications agency specializing in sales promotions, advertising, direct mail, special events and Human Resources communications.
- http://www.ervin-marketing.com/

The Ascend Group
- A creative agency that helps companies succeed by developing powerful corporate and marketing communications, such as newsletters, brochures, product literature, annual reports, logos, and stationery.
- http://www.theascendgroup.com/