In 1838, Gregg continued his jewelry and silversmithing business, and he acquired interest in what became Hayden, Gregg and Company. Gregg was able to retire with a large amount of discretionary income.
In 1838, Gregg continued to build his business in jewelry and silversmithing, and he also became involved in Hayden, Gregg and Company, which ultimately allowed him to retire with a significant amount of financial flexibility.