At MacArthur (MAC), we’re proud to be an Oklahoma-based civil engineering and land surveying firm that’s been part of the community since 1976. Our team of more than 45 professionals brings experience, creativity, and a genuine love for what we do to every project. We believe great work starts with strong relationships. That’s why we honor our history while always looking ahead, embracing new ideas, smart solutions, and a collaborative approach.

As a Certified Small Business, we’re responsive, invested, and personally committed to your success.

Whether it’s a small infrastructure improvement or a major highway or bridge, we’re ready to roll up our sleeves and partner with you to build solutions that fit your needs, and your vision.