| PESO | Potentiometric Evaluation of Substrate Oxidation | 衬底氧化的电位评估 |
| PESO | Political Ecology Society | 政治生态学会 |
| PESO | Product Engineering Services Office | 产品工程服务办公室 |
| PESO | Public Employment Service Office | 公共就业服务办公室 |
| PESO | Northport Industries, Inc. | Northport Industries，Inc.公司。 |
| PESO | Professional Engineers and Scientists Organization | 专业工程师和科学家组织 |