Melanie Haynes has voiced literally thousands of radio and television commercials, corporate narrations, web narrations, pod casts, tutorials, on hold and voice mail messages. Her vocal styles include: professional and authoritative, warm and caring, bright and upbeat, quirky and fun, sensual and sexy. Character voices and dialects are also in her repertoire.

Some of her national clients include : Humana, Minute Maid, Coca Cola, Halliburton, United Way, Microsoft, Conoco Philips, Hardee's, Sonic, Subway, Ford, MD Anderson, US Fish and Wildlife, Embraer, Solvay, Texaco, Xerox, Reliant Energy, Veritas Software, Schlumberger, ST. Luke's Hospital and the Texas Heart Institute, HP, Earth Tech (Tyco), The Welch Award in Science, Butternut Coffee, Entex, Baylor College of Medicine, Shell Oil, Rockwell International, Boeing, Weather King, Mary Kay, Kirby Paint, Beauty Control, Exxon, American Temporary Services, Neiman Marcus, SMU, Cycle Vision, Memorial Hospital System, and others