Looking for the bright side of the construction crane market has taken considerable effort in the last few years, but an uptick in sales in the first half of 2017 and an increased level of interest from customers has crane manufacturers reevaluating their product lines and rental firms shoring up their distribution channels.

It started simple enough: a wireless camera mounted on the hook block of a tower crane, allowing the operator in the cab to see the rigger on the ground and the area around the hook.