Mr. John, a 53-year-old portable sanitation company based in Keasbey, New Jersey, acquired Aparos Little John, a 30-year-old portable sanitation company based in Bay Shore, New York. Mr. John assumes all Aparos Little John assets, operations, and customers, creating a company with more than 300 employees and 4,300 active customers across New York and New Jersey. The transaction closed on Nov. 15.