Jeff Dudan, CEO and Founder of AdvantaClean, a Light Environmental Service franchise company that helps make homes clean, safe, healthy and energy efficient, gets down and dirty while tackling masses of mold in a water-damaged kitchen and in a tight, dark crawl space beneath another client's home.

Michael Roper, president and CEO of Taco Bueno, a high quality Tex-Mex chain founded in Abilene, Texas in 1967, with more than 175 restaurants, goes undercover to be certain everything at his company is "bueno."