Burks

http://www.cranepumps.com/brands/Burks.php

Products
A Division of Crane Pumps & Systems - Burks manufactures a line of Regenerative Turbine pumps and Vertical Inline pumps. 

Markets
HVAC, industrial, municipal water & OEM

Range flow:  1 - 91 gpm, head: up to 350' TDH