In 1953 Reynolds took on an apprentice, Zigmant Kanstul, who would serve as plant superintendent after Reynolds' death until 1970. By 1948 this involvement lead to the birth of the Olds Ambassador line of cornets, trumpets and trombones which Olds sold for decades. Reynolds moved to Los Angeles, California and took control of the Olds factory there.

Olds by Maurice Berlin, the president of Olds’ parent company Chicago Musical Instruments. The year after selling his company to retire, Reynolds was lured to F.E. This spin-off company became wholly owned by Scherl & Roth at the same time they purchased F.A. He also Established the Ohio Band Instrument Company concurrently owned by himself, his brother Harper and Max Scherl of Scherl & Roth. Reynolds, he teamed with other notable brass men of the day to work on the Martin Committee trumpet in 1939. At the age of 61, Reynolds sold the company to Scherl & Roth in 1946. The company realized significant sales of instruments to the United States Armed Forces during the Second World War. Reynolds spent 10 years with his company, developing successful lines of cornets, trumpets, baritone horns, French horns, and bass trombones among others. Reynolds gained a reputation for superior workmanship and the acoustical properties of the instruments. Reynolds Company to manufacture his own line of band instruments.

Reynolds worked for 30 years in Cleveland at King rising far in the company. There he transitioned from craftsman to shop superintendent. White company, the maker of “King” instruments. In 1904, Reynolds left the York company to take a position with the H.N. 1841) and Graves & Co which had been making instruments since the 1820s and the advent of valved brass instruments. At York he learned brass band instrument design in a tradition that traced its lineage back through James York, the company's founder to the company where he learned the craft, the Boston Musical Instrument Company, which in turn had been formed by the union of the E.G. Reynolds began as an apprentice with the Brass band instrument manufacturer J.W.

Reynolds medalist jazz trumpet