WARWICK, R.I. - The SmithChem Division of Lansco Colors and Jesse S. Young Co., Inc., have merged their two firms into SmithChem & Young LLC. SmithChem is an 85-year-old privately held distributor of raw materials to the coatings, plastics, inks and concrete industries. The Jesse S. Young Co. is a 50-year-old distributor of both raw materials and equipment to the same industries.