| Raine, Nathaniel(Apprentice to Jacob Godschalk) | Watchmaker | Adv. 1773 |
| Rambo, John | Silverplater | D 1837 |
| Rambo, Peter | Silverplater | D 1837-1841 |
| Rambo, William | Silverplater | D 1837 |
| Rankin, Alexander | Clockmaker | D 1829-1833 |
| Raphael, Solomon | Dealer in Watches | D 1796 |
| Rapp, William (or W. D.) | Jeweller | D 1828-1850 |
| Rasch, Anthony | Silversmith | D 1807-1809,1813-1819 |
| Rasch & Willig, Jr. | Jewellers | D 1818-1819 |
| Rasch, see also Chaudron & Rasch | | |
| Ravee, Xavier | Silversmith | D 1796-1797 |
| Ravel, see Ravee | | |
| Read, Daniel I. | Watchmaker | D 1798 |
| Read, Isaac | Watchmaker | D 1819-1822 |
| Read, William H. J. | Watchmaker | D 1831-1850 |
| Reak, Thomas | Silverplater | D 1835 |
| Redifer, Jacob | Jeweller | D 1844-1850 |
| Reed, Frederick | Watchmaker | D 1814-1823 |
| Reed, G. Washington | Watchmaker | D 1839-1850 |
| Reed, Isaac | Watchmaker | D 1820-1829, 1837-1846 |
| Reed, Isaac & Son | Watchmakers | D 1830-1850 |
| Reed, John W. | Clockmaker | D 1846-1847 |
| Reed, Osmon | Watchmaker | D 1831-1841 |
| Reed, Osmon & Co. | Jewellers | D 1841-1850 |
| Reed, Stephen | Jeweller | D 1846, 1850 |
| Reeder, Abner | Silversmith | D 1797-1800 |
| Reeder, John | Silversmith | D 1835 |
| Reeder, see also M'Fee & Reeder | | |
| Reeve, George | Watchmaker | D 1804-1805 |
| Reeve, Richard | Watchmaker | D 1803-1807 |
| Reeve, Richard & George | Watchmakers | D 1804 |
| Reeve, Y. | Watchmaker | D 1808 |
| Reeves, David S. | Watchmaker | D 1830-1835 |
| Regin, Abraham | Silverplater | D 1820-1822 |
| Reibley, Joseph | Watchmaker | D 1845-1846 |
| Reich, John | Engraver | D 1803-1808 |
| Reicke, Frederick | Engraver | D 1794-1798 |
| Reid, James | Silverplater | 1825 |
| Riley, John | Watchmaker | Adv. 1783, D 1785-1818 |
| Riley, Robert | Watchmaker | D 1806 |
| Riley, William | Silverplater | D 1818-1822 |
| Ritchie, George | Watchmaker | D 1785-1793, 1807-1811 |
| Rlttenhouse, David | Clocks | 1768, d. 1796 |
| Rively, see Reibley | | |
| Robbins, Amos | Silverplater | D 1846-1849 |
| Robbins, Elisha | Silversmith | D 1831-1843 |
| Robbins, George | Watchmaker | D 1833-1850 |
| Robbins, Jeremiah | Jeweller | D 1847-1850 |
| Robbins, John | Silverplater | D 1835-1850 |
| Roberts, Daniel F. | Jeweller | D 1840-1850 |
| Roberts, Daniel F. & Co. | Jewellers | D 1850 |
| Roberts, Enoch | Watchmaker | D 1816 |
| Roberts, F. | Clockmaker | D 1828-1829 |
| Roberts, Franklin | Jeweller | D 1850 |
| Roberts, George | Jeweller | D 1835, 1839, 1843 |
| Roberts, John | Watchmaker | D 1797-1799 |
| Roberts, John | Jeweller | D 1841-1849 |
| Roberts, John | Silverplater | D 1847 |
| Roberts, Michael | Jeweller | D 1791 |
| Roberts, N. H. | Watchmaker | D 1848-1850 |
| Roberts, Thomas | Jeweller | D 1842 |
| Roberts, William | Watchmaker | D 1821 |
| Roberts & Atmore | Jewellers | D 1850 |
| Robertson, Alexander | Silversmith | d. 1751 |
| Robertson, Robert | Jeweller | Adv. 1777 |
| Robeson, Isaac | Watchmaker | D 1843-1846 |
| Robeson, see also Robinson | | |
| Robins, see Robbins | | |
| Robinson, Anthony W. | Jeweller | D 1798-1803 |
| Robinson, Benjamin | Silversmith | D 1818-1844 |
| Robinson, Isaac | Watchmaker | D 1829-1835 |
| Robinson, Israel | Silversmith | D 1840 |
| Robinson, James | Jeweller | D 1831-1833 |
| Robinson, William D. | Jeweller | D 1846-1850 |
| Robinson, William F. | Watchmaker | D 1835 |
| Robinson & Harwood | Silversmiths | D 1819-1822 |
| Robinson, see also Dickinson & Robinson | |
| Rock, William B. | Silversmith | D 1850 |
| Rode, William | Watchmaker | D 1795 |
| Rodgers, William | Watchmaker | D 1824 |
| Rohr, John A. | Watchmaker | D 1807-1813 |
| Rouse, Emanuel | Watchmaker | Adv. 1747-1768 |
| Roush, see Rasch | | |
| Rowan, see Holmes & Rowan | | |
| Rudolph, Samuel | Watchmaker | D 1803 |
| Rue, Henry | Watchmaker | D 1835 |
| Rush, see Rasch | | |
| Russell, George | Watchmaker | D 1833-1850 |
| Rutter, Peter | Jeweller | D 1837-1850 |
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