Honeywell, one of the last remaining U.S. industrial conglomerates, will split into three independent companies, following in the footsteps of manufacturing giants like General Electric and Alcoa. Honeywell, one of the last remaining U.S. industrial conglomerates, will split into three independent companies, following in the footsteps of manufacturing giants like General Electric and Alcoa. Honeywell, one of the last remaining U.S. industrial conglomerates, will split into three independent companies, following in the footsteps of manufacturing giants like General Electric and Alcoa.