https://biz.prlog.org/tag/quarry/ quarry - Free business directory on PRLog.Org, latest companies listed first. 60 https://biz.prlog.org/sigmaroc/ SigmaRoc plc is a buy-and-build group operating in the building materials sector. The company is listed in the UK (LSE:SRC) and currently holds and operates quarrying and concrete plants across the UK.Fri, 25 Jan 2019 12:56:33 GMT