POSTED 11-19-2024 We are thrilled to announce that Wendel Energy Services has been reaccredited by the National Association of Energy Service Companies, (NAESCO). Wendel Energy Services now has accreditation as an Energy Service Company through November 2027. We have proudly been an accredited ESCO since 2008. Learn more Learn more about Wendel Energy Services. Learn more about how we can help your project with an Energy Performance Contract.