👉 Sullivan Engineering is a specialized engineering firm known for its expertise in designing and developing advanced aerospace, defense, and energy systems. Founded by John Sullivan, the company has built a reputation for innovation and reliability, focusing on cutting-edge technologies such as hypersonic vehicles, satellite communications, and renewable energy solutions. Sullivan Engineering collaborates closely with government agencies and private sector clients to deliver high-performance, mission-critical systems that push the boundaries of engineering. Their commitment to research and development ensures they remain at the forefront of technological advancements, contributing significantly to national security and global energy sustainability.