• Cowen & Mcbain
  Wilson Road, LOCHGILPHEAD, Argyll, PA31 8TR
• G.W Gillies
  Site 2 Colbeck Lane Industrial Estate, Rothesay, ISLE OF BUTE, Isle of Bute, PA20 0HB
• George W Gillies Joiner & Glazier
  Site 2 Colbeck Lane Industrial Estate, Rothesay, ISLE OF BUTE, Isle of Bute, PA20 0HB