Greteman Group

Advertising ServicesKansas, United States2-10 Employees

Alpha Charlie Marketing, formerly Greteman Group, is a leading authority in aviation marketing. We leverage decades of aviation and aerospace experience to drive market leadership and deliver tangible business growth for brands. 

Our woman-owned agency is led by Principal and CEO Ashley Bowen Cook, who brings a unique aviation legacy as the daughter of acclaimed aviation photographer Paul Bowen. She is a 2025 WBJ Power 50 honoree, 2023 Executive of the Year and the first female board chair of the Wichita Aero Club. With the multitasking precision of an air traffic controller, Ashley synchronizes our team's collective expertise to seamlessly integrate our clients' business objectives with their marketing goals.

Our approach combines deep sector knowledge with a keen eye on emerging trends to generate forward-thinking creative solutions.

We apply this discipline across the full spectrum of the aviation landscape, including fractional, flight training, FBO, MRO, OEM, UAS, airport, insurance, interiors, paint, inflight connectivity, brokers, charter, aircraft management, industry organizations, suppliers and support services.
Clients include 5X5 Aviation Insurance, Aviation Partners, Clay Lacy Aviation, FlightSafety International, King Aerospace, NATA, NPUASTS, Piedmont Airlines, USAIG and Wichita Dwight D. Eisenhower National Airport.

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