Chesterfield Buildings Pre Cut PrefabricatedModular 18080 Chesterfield Airport Rd For more than 25 years PortaFab has been a leading manufacturer of modular inplant offices, cleanrooms, industrial wall partitions, mezzanines, and curtain walls. Portafab offers the largest line of modular wall systems in the industry. Chesterfield MO Buildings Pre Cut PrefabricatedModular Porta Fab Corp www.portafab.com portafab porta-fab porta fab modular offices modular buildings in-plant offices inplant clean rooms cleanrooms partitions prefabricated enclosures mezzanines systems wall partitions paint finishing curtain walls architectural panel portafab porta-fab porta fab modular offices modular buildings in-plant offices inplant clean rooms cleanrooms partitions prefabricated enclosures mezzanines systems wall partitions paint finishing curtain walls architectural panel Business Reviews Porta Fab Corp Testimonials