Pfizer is surely a promising candidate between classic logos, due to its accuracy in terms of weight and shapes.
The key to success of Pfizer is the stength of its color range, that breaks the space turning it into main protagonist.
Excellent equilibrated logo blunt with thin line.
The logo Pfizer Is executed in such a precise way that including it in any place will never result a problem.
Pfizer is a perfect sample of how a logo turns up to be a clear distinctive of its brand.