Building systems - Business Directory https://biz.prlog.org/tag/building-systems/ Building systems - Free business directory on PRLog.Org, latest companies listed first. 60 IBS Ltd https://biz.prlog.org/Intelligent-Building/ IBS is a SME (small medium enterprise), trans-global operational company. IBS is predominantly involved in developing energy-saving technology for building systems. Wed, 04 May 2011 16:31:44 GMT