I think I've found it, but they are in the UK.

http://www.nuoe.co.uk/office-furniture-manchester/product/flow-dual

http://www.posturite.co.uk/desktop-accessories/monitor-arms/cbs-flo-dual-monitor-arm.html

Client of ours has something similar, cant remember name off top of my head, even though I just set one up for them :(

If I'm out there tomorrow Ill grab a photo and the brand.

Damn I got all excited till I saw the price.

Yeah, those sort of stands are never cheap.