 By comparison, during that same period law firm Jones Day (second on the list and general counsel to the Donald Trump campaign) donated $2.38 million, 78.8% to Republicans, and oil conglomerate Chevron Corp donated $4.78 million, 74.9% to Republicans.Since 1990, Latham & Watkins has contributed $7.21 million to federal campaigns.Latham was ranked as the #1 firm in the "Am Law 100" rankings for 2017.