TODAY, WE BUILD THAILAND'S MOST ASKED FOR SEALANT PRODUCTS: 3DI®,  BIG 3 INDUSTRY CO.,LTD. is still a privately-owned family business with state-of-the-art manufacturing facilities in Bangkok suburban, Thailand. We're the leading manufacturer to offer sealant solutions for professional and home maintenance and improvement. In addition to producing caulks, sealants and tools under our own brand name, we also manufacture private label products for some of the nation's well-known brands. And, just as we did from the start, we're still building on our reputation for quality, dependability and innovation - guaranteeing that Thailand's latest generation of professional contractors and DIY will continue to depend on 3DI® products well into the next millennium.