Alpha Charlie Marketing

Alpha Charlie Marketing is an aviation-specialty marketing agency at 1635 N. Waterfront Parkway in Wichita, Kansas. It was founded in 1989 as Greteman Group and took its new name in January 2026, when Ashley Bowen Cook, principal and CEO, became full owner after 23 years working alongside founder Sonia Greteman. The firm began working in aviation with Learjet in 1991, produced Bombardier's Contrails magazine for nearly a decade and writes a column for BlueSky Business Aviation News. It is a founding member of the Wichita Aero Club and a longtime NBAA member.

The agency lists clients across business aviation, airports, airlines, FBOs and unmanned aircraft systems, with featured work for Clay Lacy Aviation, Priester Aviation, NATA, Piedmont Airlines and Wichita's Eisenhower Airport. Services include branding and naming, logos, websites and UX/UI, SEO and analytics, content and email marketing, lead generation campaigns, public relations, social media, video and motion graphics, exhibits, and media planning and buying. Alpha Charlie does not publish prices or retainer terms.