Following the details in a post by sgedesigns, I have found a new 3D printing service bureau at https://i.materialise.com/en
For materials they have in common with Shapeways, their prices are similar.
One of the materials they do not have in common is High-Resolution Steel, allowing a minimum wall thickness of 0.3mm, which is less than a third of Shapeway's Steel material.
TC Pro Platinum 2018, 2017, 2016 & 2015 (all with LightWorks & RedSDK) & V21
System: i7-5820K @ 3.30GHz, ASRock X99 Extreme4, 16GB DDR4-2133 RAM, Gigabyte GTX 970, Samsung NVMe SSD 950 (256GB), Windows 7 Pro (64-bit) SP1