Transition Capital Partners, a private equity firm, completed the investment in Petroflex, a plastic fabrication company. Financial terms were not disclosed. "Petroflex is a Texas-based company, and we're proud to be partnering with a Texas-based private equity firm that will not only support our continued growth, but also appreciates the importance of our family-oriented culture, and our steadfast commitment to our team, our customers and our community," Mitchell Shauf, Petroflex CEO.