Boiler, Tank and Other Heavy Gauge Metal Container Manufacturing

**Exclusions/References:** - Units mainly engaged in - (a) erecting (including on-site fabricating) heavy gauge containers in buildings or other structures are included in Division E Construction; and - (b) manufacturing metal containers (except boilers, tanks and other heavy gauge metal containers) are included in Class 2239 Other Metal Container Manufacturing. **Primary Activities:** - Boiler, metal, manufacturing - Farm storage tank, metal, manufacturing - Gas cylinder manufacturing - Metal vat or tank manufacturing - Silo, metal, manufacturing - Steam generating boiler manufacturing - Steam superheater manufacturing - Storage tank, metal, manufacturing