Kostmayer Construction is the go-to marine construction company for petrochemical and industrial facilities as well as municipalities along Louisiana’s waterways. Our specialized expertise allows our team to perform complex, time-sensitive projects other companies can’t do.

Our team self-performs marine construction, mechanical piping systems, material handling systems, maintenance & emergency work, as well as heavy civil construction in Louisiana and across the Gulf South.

Contact Us

  • 1080 Old Spanish Trail, Suite #14
    Slidell, LA 70458

  • 504.837.3320
  • 504.837.8878
  • info@kostmayer.com