The State Bank of Trappe became the Liberty Bank, and
later Union Trust Company.
- Defender Packing Company, Charles B. Adams,
Packers of Canned Goods, Trappe, Md. (Before 1962
when Defender Packing Co. incorporated.)
- Trappe Methodist Church, from 1952
- D. T. Simpson & Son, from the 1950s
- D. T. Simpson & Son General Merchandise,
Subsidiary of Defender Packing Co. Inc., Trappe,
Md. (from 1960s - after 1962) The Liberty Bank had
become Union Trust Company by this time.