Blackstone, a private equity firm, completed an investment in Salas O’Brien, an employee-owned engineering and technical services firm. Financial terms were not disclosed. “Salas O’Brien is thrilled to partner with Blackstone as we continue our journey of growth. As more companies and institutions pursue their decarbonization, energy transition, and critical infrastructure goals, Salas O’Brien’s expertise has never been more needed in the world. Blackstone’s investment helps us gain greater access to talent, enhances our technology resources, and helps us better serve more clients. The fact that we can do all of this while retaining our employee ownership approach and in partnership with the incredible professionals at Blackstone is an amazing validation of our team’s hard work—and positions us to get even better,” Darin Anderson, Salas O’Brien Chairman and CEO.