Complex sentence: In May 1868, he joined Lloyd Tevis, Darius Ogden Mills, H.D. Bacon, Hopkins, and Crocker in forming the Pacific Union Express Company, which merged in 1870 with Wells Fargo and Company.
Split into simpler sentences: In May 1868, he joined Lloyd Tevis, Darius Ogden Mills, H.D. Bacon, Hopkins, and Crocker in forming the Pacific Union Express Company. It merged in 1870 with Wells Fargo and Company.