Dedham Savings is one of the oldest American banks still in operation and one of the oldest banks in the state of Massachusetts still doing business under its original charter.

The Society in Dedham for Apprehending Horse Thieves is one of the "oldest continually existing horse thief apprehending organization in the United States, and one of Dedham's most venerable social organizations." Since its founding there have been more than 10,000 members including heads of state, Supreme Court justices, governors, popes, professors, generals, and other notables.