Sentinel Capital acquired waste treatment company Apex, which provides services to assess, prevent, and cure environmental issues related to water, ground, facilities, and air quality. Financial terms were not disclosed. “Partnering with Sentinel provides us a tremendous opportunity to accelerate our growth, while preserving the agility and flexibility that is so highly valued by our clients and employees,” said David Fabianski, Apex CEO. “Our management team and staff are thrilled to be aligned with the team at Sentinel.”