The first photo is Aglaonema x 'B.J. Freeman' (also known as Aglaonema x 'Cecilia') in the Aroid Family (Araceae).
The genus Aglaonema is native to southern China, southeastern Asia, Philippines, Indonesia, and New Guinea.
The second photo is a Peace Lily (Spathiphyllum cv.), also in the Aroid Family (Araceae).
The genus Spathiphyllum is native in two disjunct regions. In the New World it is found in southern Mexico, Central America, and northern South America. In the Old World it occurs in the Philippines, Sulawesi, Moloccas, New Guinea, and the Solomon Islands.
The third photo is a Corn Plant (Dracaena fragrans), in the Butcher-broom Family (Ruscaceae, or alternatively the Nolinoideae of the Asparagaceae), native to tropical Africa.