Day & Zimmermann Labor Relations Leader Reelected President of the Associated Maintenance Contractors
Posted on 05.28.2026 by Day & ZimmermannTom Ensminger, Vice President of Labor Relations for Day & Zimmermann’s (D&Z) Maintenance and Construction division, has been reelected as President of the Associated Maintenance and Contractors (AMC).
AMC represents all contractors that are signatory to the General Presidents’ Project Maintenance Agreement (GPPMA). In his role as AMC President, Tom is responsible for reviewing and signing any new addendums into the GPPMA.
“Tommy Ensminger is a highly respected, results‑driven leader who brings people together to move our industry forward,” said Brandon Bishop, Secretary‑Treasurer of North America's Building Trades Unions. “He understands how to build alignment among labor, contractors, owners, and all project stakeholders, and he leads with integrity and purpose. Tommy’s leadership has been instrumental in advancing the mission and impact of the Associated Maintenance Contractors, and we value the strong partnership we continue to build together.”
“Tom’s continued election to lead the Associated Maintenance and Contractors reflects the deep respect he has earned across our industry and the valuable insight into emerging labor needs he brings to the table,” said Jason Dunaway, President of Day & Zimmermann’s Maintenance and Construction division. “His tenacity and commitment to safe, efficient project execution and strong outcomes for union workers and contractors remain vital to shaping the GPPMA and strengthening alignment with the Building Trades. We’re proud of Tom’s leadership and congratulate him on this well-deserved honor.”
As Maintenance and Construction’s Vice President of Labor Relations since 2015, Ensminger has worked at the regional and national level with union managers and national leaders to promote labor availability and skills growth. He is heavily involved with the committees that administer the national agreements in Washington, D.C., giving D&Z the knowledge and experience necessary to properly administer agreements at the local level for customers. In addition to his role as President of the AMC and his leadership on the GPPMA Committee, Ensminger holds several other labor relations positions, including the following:
- President of the Instrument Contracting and Engineering Association (ICEA) “Instrumentation” Agreement
- Board of Directors, National Association of Construction Boilermaker Employers (NACBE)
- Board of Directors, Trades Futures
- Board of Directors and Trustee, Helmets to Hardhats (H2H)
- National Maintenance Agreements Policy Committee (NMAPC) Labor Management Committee
- Management Board Member, United Brotherhood of Carpenters and Joiners of America (UBC) Training Certification Board
- Appointed Trustee, Nuclear Power Labor Management Cooperation Committee (LMCC) Trust
- GPPMA Management Trustee Chair
- Management Trustee, Laborers’ International Union of North America (LIUNA) Laborers Health & Safety
- Management Member, Southern Company Maintenance Modification Agreement (SCMMA) Nuclear Committee
- National Agreement Consolidation Subcommittee
- Southern Company Labor Management Cooperation Committee, SCMMA
- Appointee, American Association for Suicide Prevention Construction Working Group
- Grievance Committee NMAPC
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D&Z’s Maintenance and Construction division helps customers in the power, renewables, and industrial markets focus on doing their best work better by delivering safe, first-time quality maintenance, construction, engineering, and technical services. In addition to our long-standing, proven Maintenance & Modification (M&M) capabilities, we offer a suite of multidiscipline engineering, procurement, and construction (EPC) services to support large-scale, design-build projects. Plus, as a leading craft employer D&Z proudly provides long, meaningful careers to skilled craft professionals who build our future.