Looking at all the of HoCo top leagues for each age, here is how the clubs with more than 3 team represented did:

Bethesda/DC Express (6 Top Level Teams) - 75% Win Percentage
Hawks (6 Top Level Teams) - 75% Win Percentage
Crabs (4 Top Level Teams) - 58% Win Percentage
Madlax (6 Top Level Teams) - 55% Win Percentage
Team 91 MD (5 Top Level Teams) - 53% Win Percentage
FCA (4 Top Level Teams) - 42% Win Percentage
Looney's (5 Top Level Teams) - 33% Win Percentage
Diamondbacks API/Arden (4 Top Level Teams) - 33% Win Percentage
Next Level (4 Top Level Teams) - 33% Win Percentage

Club Blue. Rough Riders, Greene Turtle, Lax Factory, Kooper's, Bitmore, and Breakers had one or two top level teams as misc. age levels.