Webthe first six months of the year saw notable deal announcements involving wm, stericycle, gfl environmental, waste connections, clean harbors and more. Battles said he expected the outlook to improve going into 2024, as clean harbors anticipates a β€œlarge sequential increase in profitability” in a recovering. Webclean harbors is the leading environmental and industrial services in 2012, clean harbors made its largest provider and largest hazardous waste disposal company in north.