| Abbott, Ron | Chevron Phillips Chemical Co., LP |
| Abernathey, Kenna | Brand Energy & Infrastructure Services |
| Abraham, Mathews | INEOS Olefins & Polymers USA |
| Abshire, Paul | DuPont - Beaumont Works Plant (DPE) |
| Abshire, Paul | DuPont - Powder Coatings USA, Inc. |
| Ackerman, Neil | OxyChem |
| Adame, Modesto | Chevron Phillips Chemical Co., LP |
| Adams, David | Hagemeyer North America |
| Adams, Derek | Seal Tech Inc. |
| Adams, Gerald | INEOS Olefins & Polymers USA |
| Adamski, Mark | BP |
| Adcox, Jack | Executive Catering |
| Addlestone, Steve | Eastman Chemical Company |
| Adney, Billy | Mangan, Inc. |
| Aguilar, Dave | Hagemeyer North America |
| Aguilar, Gabriel | The Lubrizol Corporation |
| Aguilera, Robert | Third Coast Terminals |
| Aguirre, Augusto | Sherwin Alumina Company |
| Ahmed, Riaz | TRC Environmental Corp. |
| Ahmed, Shahbaz | Sea Lion Technology, Inc. |
| Ainsworth, Joe | Arkema Inc. |
| AInsworth, Joe | FMC Corporation |
| Aitkens, Beth | Chevron Phillips Chemical Co., LP |
| Ajibogun, Paul | INEOS Olefins & Polymers USA |
| Akers, Keith | ExxonMobil Baytown Olefins Plant |