Welcome to Tyne Tees Crushing & Screening Ltd – a major supplier of recycled aggregates to the Newcastle and the general North East area. From Coarse Aggregates like gravel to slate, Crushed Stone & Crushed Rock with source approval for adoptable works, we provide everything from sand and soil, road planings, paving, slate & other materials. All of which are available for collection or delivery around the North East. What Kinds of Aggregates Do We Provide? We supply Type One aggregate which conforms to highways clause 803, and is often used as a levelling material. It’s also a sub-base that.