| Zibo Wufeng Aluminum-Magnesium Technology Co.,Ltd. |  China | Zibo | Alumina and Aluminum Production and Processing | 76 | — | Profile |
| zorobe soft electronics |  Hungary | budapest | Information Technology and Services | 85 | — | Profile |
| zk petroleum co llc |  United States | stafford | Oil and Gas | 27 | — | Profile |
| zalaelektro | Hungary | zalaegerszeg | Construction | 85 | — | Profile |
| Zhangjiagang Lusenbao Copper Foil Co., Ltd | China | Zhangjiagang | Nonferrous Metal (except Aluminum) Production and Processing | 76 | — | Profile |
| Zenith Petroleum Corp | United States | CENTENNIAL | | 27 | — | Profile |
| zenith petroleum corp. | United States | greenwood village | Oil & Energy | 27 | — | Profile |
| Zibo Xinfumeng Chemicals Co.,Ltd | China | Zibo | Alumina and Aluminum Production and Processing | 76 | — | Profile |
| zaks oilfield supply, llc. | United States | the woodlands | | 27 | — | Profile |
| Zhuobang (tianjin) Petroleum Technology Service Co., Ltd | China | Tianjin | Other Professional, Scientific, and Technical Services | 27 | — | Profile |
| zephyr oilfield services llc | United States | poteet | Oil and Gas | 27 | — | Profile |
| ZOLDOR ELECTRONIC MÉRNÖKI Korlátolt Felelősségű Társaság | Hungary | Budapest | | 85 | — | Profile |
| zucchero dolce |  Belgium | wetteren | Retail | 17 | — | Profile |
| ZCOF Par Petroleum Holdings, L.L.C. | United States | CHICAGO | | 27 | — | Profile |
| zego bikes electricycle | Hungary | budapest | Transportation/Trucking/Railroad | 85 | — | Profile |
| Zhongshi Huajinhai (tianjin) Petroleum Products Sales Co., Ltd. | China | Tianjin | Other Miscellaneous Retailers | 27 | — | Profile |
| zemba bros. petroleum | United States | zanesville | Oil & Energy | 27 | — | Profile |
| Zibo Business Department, Qingdao Railway Li'an Petroleum Company | China | Zibo | General Freight Trucking | 27 | — | Profile |
| zsa petroleum inc | United States | nanuet | Industrial Automation | 27 | — | Profile |
| zota petroleums corp. | United States | mechanicsville | Retail | 27 | — | Profile |
| Zhonghai Kunlun (tianjin) Petroleum Technology Co., Ltd | China | Tianjin | Business Support Services | 27 | — | Profile |
| ZOLLNER Elektronik Gyártó és Szolgáltató Korlátolt Felelősségű Társaság | Hungary | Vác | | 85 | — | Profile |
| Zhongshihua Yongli (tianjin) Petroleum Products Co., Ltd. | China | Tianjin | Fuel Dealers | 27 | — | Profile |
| Zhongshi Dalian (qingdao) Petroleum Technology Co., Ltd. Dongying Second Branch | China | Dongying | Business Support Services | 27 | — | Profile |
| zhengzhou maierda petroleum equipment co., ltd | China | zhengzhou | Oil and Gas | 27 | — | Profile |
| Zhejiang Tonglian Petroleum Machinery Co., Ltd. | China | Wenzhou | Cutlery and Handtool Manufacturing | 27 | — | Profile |
| Zhengzhou Dongfang Fubang Petroleum Steel Co., Ltd. | China | Zhengzhou | Miscellaneous Nondurable Goods Merchant Wholesalers | 27 | — | Profile |
| Zhongyou Bipi Petroleum Co., Ltd. Shenzhen Beihuan Petrol Station | China | Shenzhen | Fuel Dealers | 27 | — | Profile |
| Zhongshi Blue Sky (qingdao) Petroleum Technology Co., Ltd | China | Qingdao | Scientific Research and Development Services | 27 | — | Profile |
| zoucheng dongyuan petroleum machinery co., ltd. | China | jining | | 27 | — | Profile |
| Zhongxin Hengtai (qingdao) Petroleum Energy Co., Ltd | China | Qingdao | Miscellaneous Durable Goods Merchant Wholesalers | 27 | — | Profile |
| Zhongshen (shenzhen) Petroleum Cleaning Energy Technology Co., Ltd. | China | Shenzhen | Business Support Services | 27 | — | Profile |
| zymetech global industrial and oilfield supply trading llc | United States | penfield heights | Oil & Energy | 27 | — | Profile |
| Zouping County Petroleum & Chemical Equipment Manufacturing & Installation Complete Set… | China | Binzhou | Other Specialty Trade Contractors | 27 | — | Profile |
| zhongman petroleum and natural gas group co., ltd. | China | Shanghai | | 27 | — | Profile |
| Zhanjiang Hailu Petroleum Machinery Co., Ltd. | China | zhanjiang | Industrial Machinery Manufacturing | 27 | — | Profile |
| Zhangjiayingzi Gas Station Of China National Petroleum Corporation Inner Mongolia Baotou… | China | Baotou | Gasoline Stations | 27 | — | Profile |
| Zhaoping County Zhangmulin Petroleum Liquefied Gas Supply Station (general Partnership)… | China | Hezhou | Fuel Dealers | 27 | — | Profile |
| Zhejiang Diyan Petroleum Department (limited Partnership), Longgang District, Shenzhen | China | Shenzhen | Gasoline Stations | 27 | — | Profile |
| Zhongzhou Petroleum Co., Ltd., Mawei District, Fuzhou City | China | Fuzhou | Grocery and Related Product Merchant Wholesalers | 27 | — | Profile |
| zhongyide petroleum & gas equipment co., ltd | China | langfang | Oil and Gas | 27 | — | Profile |
| Zhongman Petroleum Well Drilling Technology Co., Ltd. | China | Shanghai | Architectural, Engineering, and Related Services | 27 | — | Profile |
| ZHONGHAI Petroleum Base Group Oil extraction Technical service Company Huizhou B | China | Huizhou | Software Development | 27 | — | Profile |
| zghoul petroleum llc | United States | beaverton | | 27 | — | Profile |
| zhuhai jingchu petroleum technology development co., ltd. | China | zhuhai | | 27 | — | Profile |
| Zhejiang Jiangnan Petroleum And Chemical Machinery Co., Ltd. | China | Yueqing | Other Fabricated Metal Product Manufacturing | 27 | — | Profile |
| Zhuhai Mine Petrolchemical Industry Co., Ltd. | China | Zhuhai | Gasoline Stations | 27 | — | Profile |
| zheng on enterprises company limited |  Hong Kong | sha tin | Plastics Manufacturing | 39 | — | Profile |
| zibo huihua petroleum additives co., ltd. | China | zibo | Oil and Gas | 27 | — | Profile |
| ZO OZ PBGN pri NAFTAPETROL spol. s r.o. Michalovce |  Slovakia | Michalovce | Business, Professional, Labor, Political, and Similar Organizations | 27 | — | Profile |