 HOUSTON--BUSINESS WIRE-- DNOW--NOW Inc. NYSE: DNOW announced the closing of its acquisition from GR Energy Services, a portfolio company of Pine Brook, of substantially all of the assets used in connection with its Flex Flow business, predominantly relating to the rental, sale and service of surface mounted and trailer mounted horizontal pumps, including jet pump systems. Transaction Highlights: Flex Flow significantly expands DistributionNOWs existing product offering with the addition of its re 