美国纳尔科(NALCO) 
纳尔科(Nalco)是全球领先的水处理和工艺过程处理的化学品解决方案供应商，公司全球总部位于美国伊利诺斯洲的Naperville。 公司和各行业，诸如石油、化工、钢铁、电力、航空、造纸、制药、食品和饮料、中型和轻型制造、金属加工和医院、酒店等携手合作，帮助客户降低运营成本、提高生产和收益及保护环境。

纳尔科在全球130个国家拥有分支机构，服务70000多个客户。公司以成熟的技术，全面的处理方法和多年的经验极大的提高了客户的竞争能力。

公司在苏州建有工厂，在上海、北京、广州、天津等12个城市均设有办事处。因中国市场业务发展迅速，现正在南京化学工业园区投资3000万美元兴建中国第二家独资工厂，于2008年中开始投入生产。

Nalco Company is the world’s leading water treatment and process improvement company, delivering significant environmental, social and economic performance benefits to a variety of industrial and institutional customers. Our programs and services are used in water treatment applications to prevent corrosion, contamination and the buildup of harmful deposits and in production processes to enhance process efficiency, extend asset life, improve our customers' end products, and enhance air quality. We help our customers reduce energy, water and other natural resource consumption, minimizing environmental releases while boosting the bottom line. Together our comprehensive solutions contribute to the sustainable development of customer operations.

Through our sales, service, research and marketing team of more than 7,000 technically trained professionals, we serve more than 70,000 customer locations in more than 130 countries. We focus on providing our customers with sustainable, technologically advanced, engineered solutions and services.