I can't figure out how to transpose unique values based on specific critera in Google Sheets

I’m trying to create an inventory system for my business. For example, our SKU codes start with "LMS" "RSP" and "CON" for specific locations where we’re working. I’m trying to take all unique "LMS" codes, and copy them to a single sheet from our raw scan data. I’ve tried variations on REGEXMATCH, and UNIQUE, and… Read More I can't figure out how to transpose unique values based on specific critera in Google Sheets