Brevibacterium

Brevibacterium is a genus of bacteria of the order Actinomycetales. 
They are Gram-positive soil organisms. It is the sole genus in the family "Brevibacteriaceae".
Further reading.
Mimura, Haruo (September 2014). "Growth Enhancement of the Halotolerant "Brevibacterium" sp JCM 6894 by Methionine Externally Added to a Chemically Defined Medium". Biocontrol Science 19 (3): 151–155.