The Holyoke Envelope Company was started in 1880. It made millions of envelopes a year. It was also called the US Envelope Co. It was located at 642 Main Street.
It started near the Skinner Mill.
Sanborn map analysis:
Sanborn 1884 map – shows a vacant lot
Sanborn 1915 map is now called the US Envelope Co
Sanborn 1949 map now has the Crocker-McElwain and the Chemical Paper Co there
Sanborn 1956 map now has the Crocker-McElwain and the Chemical Paper Co there