| Company | Timeline | Status | |
| Kostic Property Company Limited Director • Unreported | 16 Apr 2010←15 Years→Current | Active | |
| Kostic Investment Company Limited Director • Unreported | 16 Apr 2010←15 Years→Current | Active | |
| Kostic Development Company Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
