s ▁corpor ate ▁trust ▁assets . ▁The ▁deal ▁sign aled ▁the ▁bank ' s ▁exit ▁from ▁ret ail ▁bank ing . ▁ ▁M ell on ▁Fin an cial ▁ ▁M ell on ▁Fin an cial ▁was ▁founded ▁as ▁T . ▁M ell on ▁& ▁S ons ' ▁Bank ▁in ▁Pitts burgh , ▁Pennsylvania , ▁in ▁ 1 8 6 9 ▁by ▁retired ▁judge ▁Thomas ▁M ell on ▁and ▁his ▁sons ▁Andrew ▁W . ▁M ell on ▁and ▁Richard ▁B . ▁M ell on . ▁The ▁bank ▁inv ested ▁in ▁and ▁helped ▁found ▁numerous ▁industrial ▁fir ms ▁in ▁the ▁late ▁ 1 8 0 0 s ▁and ▁early ▁ 1 9 0 0 s ▁including ▁Al co a , ▁West ing house , ▁G ulf ▁O il , ▁General ▁Mot ors ▁and ▁Beth le hem ▁Ste el . ▁Both ▁G ulf ▁O il ▁and ▁Al co a ▁are , ▁according ▁to ▁the ▁financial ▁media , ▁considered ▁to ▁be ▁T . ▁M ell on ▁& ▁S ons ' ▁most ▁successful ▁financial ▁invest ments . ▁ ▁In ▁ 1 9 0 2 , ▁T . ▁M ell on ▁& ▁S ons ' ▁name ▁was ▁changed ▁to ▁the ▁M ell on ▁National ▁Bank . ▁The ▁firm ▁merged ▁with ▁the ▁Union ▁Trust ▁Company , ▁a ▁business ▁founded ▁by ▁Andrew ▁M ell on , ▁in ▁ 1 9 4 6 . ▁ ▁The ▁newly ▁formed ▁organization ▁resulting ▁from ▁the ▁mer ger ▁ ▁was ▁named ▁the ▁M ell on ▁National ▁Bank ▁and ▁Trust ▁Company , ▁and ▁was ▁Pitts burgh '