S101 Guitars is a brand name of the America Sejung company. Sejung is a Korean-based textile, construction and information technology business founded in 1974. Qingdao Sejung Musical Instrument Co., Ltd. was established China in 2001 to produce affordable pianos and guitars. Company chairman, Soon Ho Park invested $20 million to build a new piano and guitar factory in Qingdao, staffed by experienced Korean managers, to supply product to local and worldwide markets. Their George Steck, Hobart M. Cable and Falcone piano brands offer a wide range of styles and finishes in both grands and uprights. Their guitar brands are S101 and Canvas.  Qingdao Sejung Musical Instrument Co. are also OEM producers of instruments for other big name brands.

Source: S101 Guitars website (15 May 2020)

John P. Hafner (1856 - 1929) and Eugene H. Sutphin (1876-1965) founded a musical instrument and small good company in Philadelphia . J.P. Hafner was connected with the small goods trade for many years, having previously been employed by the firm of Klemm Brothers from 1873 until it closed in 1877 and thenseveral other large dealers of musical instruments including Zimmerman (harp house) . E.A. Sutphin also had many years of training in the business - he was formerly connected with the firm of Robert C. Kretschner. In 1911 they organized the firm of Hafner & Sutphin at 149 North Ninth Street, Philadelphia as jobbers of musical instruments and small goods. In 1921 they moved their premises to a four storey building at 925 Arch Street in 1921. The ground floor was the sales and show rooms with the other floors used for storage. They had a complete line of merchandise.

Tyko Runesson is a Swedish luthier who now works in Switzerland. He has been building guitars under the Runesson brand name since 2006 and currently makes a wide range of electric and acoustic guitars as well as other stringed instruments.

Source: Runesson Custom Instruments website (14 May 2020)

Royce was a Multivox brand name used in the early 1980s. The instruments were imported (typically from Japan or Korea) and the range included electric, acoustic, classical and bass guitars as well as amplifiers, banjos, ukueleles and mandolins. Multivox stopped trading in 1984 so the brand was discontinued then.

Source: Royce catalog 1980s

Simon Rovis-Hermann is a Luthier based in Fremantle, Western Australia. He has been making instruments since the 1990s -  his first full sized guitar classical guitar was made when he was 18 years old while studying a music performance degree. Now he primarily produces high end classical guitars both modern and 19th century reproductions. He also makes steel stringed acoustic guitars, Mandolins and Ukuleles. All of his instruments are hand made using solid wood construction and are finished in either French polish and modern lacquer.

Source: Simon Rovis-Hermann website (20 April 2020)

Leif Hansson (1916-1997) was a Norwegian luthier who started building guitars and violins in 1935 when he was 18. In the early years this was a hobby at home in his basement. In May 1943 - in the midst of the war - he started a guitar factory in Olso. In 1944 he was making strings for guitars, mandolins and violins. By 1945, he ran nationwide advertising for products and in 1946 the Leif Hansson Musical Instrument Factory was a large company with 33 employees located in Heimdalsgata 23-25, Olso. They produced 115 guitars as well as some mandolins each month, with their own strings made on 8 string spinning machines. The factory also has its own mechanical department which made all the metal parts for the guitars such as machine heads, bridges and screws. The factory moved to larger premises at Røssedal in Østre Aker.

Paul Duff made his first mandolin in 1982. His love of bluegrass music meant he was drawn to making the F5 style favored by Bill Monroe. His attention has since broadened to other instruments from this Gibson ‘Golden Era’, also known as the ‘Loar Period’. Paul now includes mandolas, mandocellos and archtop guitars in his inventory of models offered to customers.

Source: Duff Mandolins website (23 March 2020)