Heisely, George (1789-1880), Harrisburg, Pa.; also made clocks.
Hinton, William (fl. 1772), New York.
Hooker & Fairman (before 1810), Newburyport, Mass.
Jacks, James (fl. 1780's), Charleston, S.C.; also made surveying instruments.
Jayne, John (late 18th century), Salem, Mass.
King & Hagger (1759/60 to early 1760's), Newport, R.I.; also made nautical instruments.
King, Benjamin (1707-1786), Newport, R.I.; also made nautical instruments.
King, Daniel (1704-1790), Salem, Mass.
King, Samuel (fl. 1786), Newport, R.I.
Lamb, A. & Son (1780's), New York.
Lamb, Anthony (1703-1784), Virginia, Philadelphia, New York, and Hunter's Key, N.Y.; also made surveying and nautical instruments.
Lamb, John (1735-1800), New York; also made nautical and surveying instruments.
Mendenhall, Thomas (fl. 1775), Lancaster, Pa.; also made clocks.
Newell, Andrew (1749-1798), Boston; also made compasses and surveying instruments.
Platt, Augustus (1809-1886), Columbus, Ohio; also made surveying instruments.
Pryor, Thomas (fl. 1778), Philadelphia.
Revere, Paul (1735-1818), Boston, Mass.
Sibley & Marble (late 18th century), New Haven, Conn.; also made clocks and watches.
Sower, Christopher (c. 1724-1740), Germantown and Philadelphia, Pa.; also made clocks.
Taws, Charles (fl. 1795), Philadelphia.
Thaxter, Samuel (1769-1842), Boston; also made surveying and nautical instruments.
Walpole, Charles (fl. 1746), New York.
Whitney, John (fl. 1801), Philadelphia; also made optical instruments.
Whitney, Thomas (fl. 1798-1821), Philadelphia; also made optical and surveying instruments.
Williams, William (1737/38-1792), Boston; also made nautical instruments.
Witt, Christopher (fl. 1710-1765), Germantown, Pa.; also made clocks.
NAUTICAL
Bulmain & Dennies (fl. 1799), New York.
Early American Scientific Instruments and Their Makers · The Wunder Library — complete classics, free to read, with narration.