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Design Agency

Diane Stelken

Illinois advertising, marketing and graphic design agency serving manufacturing, healthcare, finance and non-profits

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About Diane Stelken

Diane Stelken Associates is an advertising, marketing and design agency with offices in Morris and Ottawa, Illinois. Founded in 1995, it draws on a mixed team of in-house and outside designers, writers, photographers, illustrators and video producers.

What Diane Stelken does

  • Branding and graphic design: logos made for each brand, advertising concepts, catalogues and brochures.
  • Websites: sites that clients update themselves, plus hosting and maintenance.
  • Digital marketing: email campaigns and social media management.
  • Content production: copywriting, photography, illustration, video and animation.
  • Direct mail: mailing lists, concepts and fulfilment.
  • Print and signage: billboards, large-format graphics, murals and promotional items.

Who it works with

The agency works with large and small businesses in manufacturing, health care, financial services, service trades and the not-for-profit sector.

Key facts

  • Based in: Morris and Ottawa, Illinois
  • Founded: 1995

Profile written by TrustList from the business's own published information, Sep 2026.

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Founded
1995 (31 years) evidence sent

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