Table 5: Comparison of industrialized construction classification.
Adapted from [²¹]

Classification	Sub categories	Author
Mazjub’s Building System Classification	Panel system	Mazjub [49]
	Box system
	Frame system
Warszawski’s Building System Classification 1	Timber	Warszawski [36]
	Steel
	Cast in situ concrete
	Precast concrete
Warszawski’s Building System Classification 2	Linear	Warszawski [36]
	Skeleton
	Planar
	Planar Systems
	Three-dimensional box systems
Industrialized System Classification (Razali-Badir’s Classification)	Conventional building system	Badir, Kadir and Hashim [37]
	Cast in situ formwork system
	Table or tunnel formwork
	Prefabricated system
	Composition system
Pre-assembly and Pre-fabrication Classification	Component manufacture and sub-assembly	Gibb and Issac [15]
	Non-volumetric sub-assembly
	Volumetric pre-assembly
	Modular system
IBS Classification (CIDB)	Pre-cast concrete framing	CIDB [28], Shaari and Ismail [38], MIGHT [39], Chung [42], CIDB [45]
	Panel and box systems
	Steel formwork systems
	Steel framing systems
	Prefabricated timber framing system
	Block work system
MMC Classification	Volumetric	Gibb and Pendiebury [20]
	Panelized
	Hybrid
	Subassemblies and components
	Non-off-site-Modern Methods of Construction
IBS Classification (UTM)	Pre-cast concrete-framed building	Rahman and Omar [44]
	Pre-cast concrete wall system
	Reinforced concrete building with pre-cast concrete slab
	Steel formwork system
	Steel-framed building and roof trusses
Bruno-Richard’s IBS Classification	Site intense kit part	Richard [50]
	Factory made module
	Hybrid
OSM Classification	Volumetric system	Abosaad, Underwood, and Boveny [51]
	Panelized system
	Hybrid system
	Sub-assemblies and component system
	Modular system
Mesaros-Mandicak’s MMC Classification	Frame system	Mesaros and Mandicak [52]
	Panel system
	Modular system
Modularity in Construction	Pure modular	Doran and Giannakis [53]
	Hybrid modular
	Onsite modular