GrandTen Distilling, Boston, MA
Company was established in 2010.
GrandTen Distlling is owned and operated by Matthew Nuernberger and Spencer McMinn. All of our products are produced in very small batches and distilled in copper. Every step, from choosing the raw ingredients to bottling and labeling, is done by hand.
[Source: Company's web site (det), cited 2014]
Here are full texts from the labels
us_513: GrandTen Distilling; Medford New England Rum; Distilled from Blackstrap Mplasses; A New England Tradition since 1715; 40% alc by vol; 80 Proof; 750 ml; Distilled and Bottled by GrandTen Distilling, Boston, Mass.