Search Function used to fill in Values of adjacent cells

I am trying to do a search for specific text within a column. If it is found, I need it to populate the adjacent cell with a predetermined value. For example if "VendorA" is found anywhere in A2, B2 needs to read VendorA. I have as many as 30 unique vendors. Is there a way to make a list of all vendors and look for matches? Thanks in advance.