TRISURA SPECIALTY INSURANCE COMPANY. At Trisura, we expect more because we believe it can be done better. Named the. Oklahoman. s Top Workplaces in 2021- 2023. we are a young, growth-oriented team with a commitment to attracting and retaining exceptional talent. Our entrepreneurial style and niche market position ensure that our people see the result of their hard work reflected in the company. s success. We are currently seeking a qualified indi...