Fitts, Frank E Mfg. & Supply Co.
Boston, MA (The Railroad, Telegraph, Electric and Steamship Builders' Buyers' Guide, 1897)
According to his obituary, this company was founded in 1870 by Frank E. Fitts as a manufacturer and seller of hardware items. In 1872, the company facility burned down. Organized / Certified September 25, 1894. After Franks death, his son, Henry King Fitts took the reigns. We have found them listed as late as 1943.