stockholmatlas copco ab said late tuesday that it has agreed to acquire trillium us inc a provider of vacuum pump services to semiconductor and general vacuum customers the swedish industrial tool maker said trillium also has a small manufacturing business focused on piston and cryogenic pumps privatelyowned trillium is headquartered in clackamas oregon with additional sites in hamburg new jersey and austin texas it has around 140 employees in 2022 the company had revenues of around 27 million atlas copco expects the acquisition to be completed during the second quarter of 2023