One Solidus seedling is Work for Pie, a job-listing Web site for software coders.

FORBES: Patient Capital

Where Y Combinator and other incubators stop, Solidus soldiers on by leading subsequent rounds of angel funding, explains Vic Gatto, a 41-year-old former software entrepreneur and fellow Massey Burch alum who joined Solidus in 2007.

FORBES: Patient Capital

The youngest bubble up from three small-business accelerators started, owned and co-managed by Solidus. (Duncan taps sponsors mainly professional services firms to help cover expenses.) The accelerators, located throughout Tennessee, are modeled after marquee startup incubators Y Combinator and TechStars.

FORBES: Patient Capital