It doesn't seem to matter to some US companies either:
"Diane Dalmy and Associates Prohibited Service Provider Legal Counsel 8965 W Cornell Place Lakewood, CO, 80227 303-985-9324 Associated Companies/Securities Name City Country Symbol Tier
All Asia Licensing, Inc. Los Angeles United States AASI OTC Pink No Information
Blackbird International Corporation Oakville Canada BBRD OTC Pink No Information
Com-Guard.com, Inc. Encinitas United States CGUD OTC Pink Current
Greenwood Gold Resources, Inc. Palm City United States GGRI OTCQB
Level Vision Electronics, Ltd. Montreal Canada LVLV Grey Market
Onteco Corp. Aventura United States ONTC OTCQB
Patriot Energy Corp. Montreal Canada PGYC Grey Market
Siga Resources, Inc. South Lake Tahoe United States SGAE OTCQB
Sunx Energy, Inc. Langley Canada SNXG OTC Pink No Information
Ventana Biotech, Inc. Butschwil, SG Switzerland VNTA OTC Pink No Information"
If you can judge a company by the quality of the associations it keeps - and in penny stock land experience tells you that's a very good way to judge a company - then RVBR is clearly a real stinker.