- Blot, Hippolyte1
- Blumer, George (1872-1962)1
- Boyd, Walter W. (Walter Willard)1
- Bridgeport Hospital, ca. 19681
- Bright Star1
- Bunting, Charles H., MD (1955)1
- Burr, Hanford M. (Hanford Montrose) (1864-1941)1
- Burroughs Wellcome Company1
- C. M. Parker1
- Carl Ludwig1
- Carl Zeiss1
- Carmalt, William Henry (1836-1929)1
- Carpenter, Edward T.1
- Chandler, J. G.1
- Charles F. Thackeray, Ltd1
- Charles Truax, Greene, and Company1
- Chase, Washington1
- Clark, A. P.1
- Clement, D. H. (Whitney Avenue, New Haven, CT)1
- Codman and Shurtleff1