The list ranked the top performing companies on the OTCQX Best Market based on 2017 total return and average daily dollar volume growth.
OTC Markets Group said the list represented an average total return of 120% to investors and traded an aggregate US$19.9 billion in dollar volume in 2017.
Chile copper producer Amerigo Resources (US:ARREF) and nugget finder Novo Resources Corp (US:NSRPF) were second and third respectively.
Excelsior Mining (US:EXMGF), Critical Elements Corp (US:CRECF), Corvus Gold (CN:CORVF), Nemaska Lithium (US:NMKEF), Mason Graphite (US:MGPHF) and Ivanhoe Mines (US:IVPAF) were ranked 16th, 17th, 21st, 22nd, 23rd and 24th respectively.
Other mining equities Columbus Gold (US:CBGDF) and Northern Graphite (US:NGPHF) ranked at 30 and 31.
Columbus chairman Robert Giustra said the achievement reflected the company's accomplishments in 2017, including the filing of a positive bankable feasibility study for the Montagne d'Or gold deposit in French Guiana and the progress achieved in the spin-out of Columbus' US subsidiary Allegiant Gold.
US community banks took 21 of the 50 spots, which were determined from a pool of 367 companies.