Governor Martin O’Malley will join hundreds of entrepreneurs and business leaders tonight Monday, May 19 at 8 p.m. at the National Aquarium in Baltimore to announce the winners of the State’s InvestMaryland Challenge. Launched in 2012, the Challenge is the State’s national business competition offering startups nearly $1 million in prizes, including four top $100,000 prizes. Other prizes include grants, software and lab and incubator space.