Red Sea Housing Services; Skanska AB; Bouygues Construction; ACS Actividades de Construcci?n y Servicios SA; Lindal Cedar Homes Inc.; Kiewit Corporation; Balfour Beatty Plc.; Taisei Corporation; System House R & C Co. Ltd; Larsen & Toubro Limited; Algeco Scotsman; Skyline Champion Corporation; Kirby Building Systems LLC; Butler Manufacturing; Astron Buildings; Modular Engineering; Niko Prefab Building Systems Pvt Ltd; Par-Kut International; Schulte Building Systems Inc.; United Partition Systems Inc.; Vardhman Pre-Engineered Building Systems; Laing O’Rourke; Palomar Modular Buildings; Guerdon Enterprises LLC; JL Modular Inc.; Julius Berger Nigeria PLC; Katerra; Speed House Group of Companies; Supertech Industries LLC; Tempohousing; Cavco Industries Inc