Association of Chemical Industry of Texas
| Mabe, Jonathan | Eastman Chemical Company |
| Mabile, Brandon | Performance Contractors, Inc. |
| Mabile, Julius | Performance Contractors, Inc. |
| MacArthur, Victor | Webb, Murray & Associates |
| Maceda, John | Ray West Warehouses, Inc. |
| Machann, Russell | ChemCentric |
| MacInnes, Marilyn | Brown and Caldwell |
| Madden, Dave | Chevron Phillips Chemical Co. |
| Maddox, Debbie | Webb, Murray & Associates |
| Maddox, Michelle | AXion Logistics LLC. |
| Mahan, Debbie | Chemtrade Refinery Services Inc. |
| Mahnke, Kevin | Foster Fence LLC |
| Mahoney, T. J. | SGS Petroleum Service Corporation |
| Mai, Thuy | DuPont - La Porte Plant |
| Majek, Chris | CITGO Petroleum Corporation |
| Major, Whitney | Providence Critical Infrastructure Protection, LLC |
| Majors, Jodie | Weighing Technologies, Inc. |
| Majors, Tony | INVISTA |
| Maldonado, Marin | Valero |
| Maldonado, Robin | ExxonMobil |
| Mallett, Leonard | Enterprise Products Company |
| Malone, Georgia | Evergreen Industrial Services |
| Manley, Chris | Eastman Chemical Company |
| Manley, Pam | Shell Chemical LP |
| Mann, Dave | Rapid Recovery |