Trutankless, Inc. (TKLS: Pink Current) | Tier Change Fri, Jan 17, 2020 12:00 - Trutankless, Inc. ( TKLS : Pink Current) - Tier Change - The symbol, TKLS, no longer is classified as OTCQB. As of Fri, Jan 17, 2020, TKLS resides in the Pink Current tier. You may find a complete list of tier changes at otcmarkets.com .
