Looking at the DJIA 30, defence contractors ($BA, $RTX), TBTF financials ($AXP, $GS, $JPM, $TRV, $V), and pharma ($JNJ, $MRK, $PFE) by themselves are 10.  Consumer products like $PG are traditionally also seen as safe in a downturn (think toilet paper).  $MMM makes N95 masks.