F ounded ▁ 1 7 1 5 , ▁acquired ▁ 1 9 5 8 ) ▁Meyer ▁Labor ator ies ▁( Mer ged ▁ 1 9 7 8 ) ▁Aff y max ▁( Ac quired ▁ 1 9 9 5 ) ▁Well come ▁Foundation ▁( R en amed ▁ 1 9 2 4 , ▁merged ▁ 1 9 9 5 ) ▁B urr ough s ▁Well come ▁& ▁Company ▁( F ounded ▁ 1 8 8 0 ) ▁Mc D oug all ▁& ▁Robert son ▁Inc ▁( Ac quired ▁ 1 9 5 9 ) ▁Block ▁D rug ▁( Ac quired ▁ 2 0 0 1 ) ▁C NS ▁Inc . ▁( Ac quired ▁ 2 0 0 6 ) ▁St ief el ▁Labor ator ies ▁( Ac quired ▁ 2 0 0 9 ) ▁Labor ator ios ▁Phoenix ▁( Ac quired ▁ 2 0 1 0 ) ▁Max in ut r ition ▁( Ac quired ▁ 2 0 1 0 ) ▁Cell Z ome ▁( Ac quired ▁ 2 0 1 1 ) ▁Human ▁Gen ome ▁Sciences ▁( Ac quired ▁ 2 0 1 3 ) ▁G ly co V ax yn ▁( Ac quired ▁ 2 0 1 5 ) ▁T es aro ▁( Ac quired ▁ 2 0 1 9 ) ▁Sit ari ▁Ph arma ce ut ical s ▁( Ac quired ▁ 2 0 1 9 ) ▁ ▁See ▁also ▁ ▁List ▁of ▁to oth paste ▁br ands ▁Gal v ani ▁Bio elect ron ics ▁Index ▁of ▁or al ▁health