Sign up with these online networking communities as a company or as an individual to take advantage of opportunities, cross-promotional events and more.

1. LinkedIn: LinkedIn is a popular networking site where alumni, business associates, recent graduates and other professionals connect online.
2. Ecademy: Ecademy prides itself on “connecting business people” through its online network, blog and message-board chats, as well as its premier BlackStar membership program, which awards exclusive benefits.