Frontier Electronic Systems (FES) is a distinguished leader in electronics design and manufacturing, proudly based in Stillwater, Oklahoma. As a Native American, woman-owned small business with over 40 years of experience, FES excels in end-to-end engineering. We expertly design, build, and qualify mission-critical electronic equipment that meets the rigorous demands of the global aerospace, defense, and spaceflight industries. Our commitment to excellence positions us at the forefront of innovation and reliability for these critical sectors.