Resource is not really a resource
| O'Brian, Denise | Axiall, LLC |
| O'Brien, John | Shintech, Inc. |
| O'Brien, Terry | Air Products & Chemicals, Inc. |
| O'Brien, Tim | Shintech, Inc. |
| O'Bryan, Cristin | Total Safety US, Inc. |
| O'Connell, April | Chevron Phillips Chemical Co., LP |
| O'Gilvie, Joe | Albemarle Corporation |
| O'Neill, Kevin | Total Safety US, Inc. |
| O'Neill, Mary | OXEA Corporation |
| O'Riley, Kevin | Puffer-Sweiven, LP |
| O'Rourke, Thomas | BASF Corporation |
| Oberlender, Terry | CITGO Petroleum Corporation |
| Ochoa, Kendra | Nalco Company |
| Ohl, Lee | Puffer-Sweiven, LP |
| Ohlmansiek, Dennis | Oxiteno USA, LLC |
| Okeson, William | HBS National Corporation |
| Oldbury, Heather | DuPont |
| Olds, David | TPC Group |
| Olenkiewicz, Peter | LyondellBasell Industries |
| Oliver, Danice | CertifiedSafety, Inc |
| Oliver, Joe | CITGO Petroleum Corporation |
| Oliver, Roy | Chevron Phillips Chemical Co., LP |
| Olivier, Justin | Ecom Instruments, Inc. |
| Olson, Drew | Sekisui Specialty Chemicals America, LLC |
| Olson, Karen | Zephyr Environmental Corporation |