Clean Harbors (NYSE: CLH) and Nalco Holding (NYSE:NLC) are both mid-cap environmental services & equipment – nec companies, but which is the superior investment? We will compare the two businesses based on the strength of their valuation, analyst recommendations, profitability, institutional ownership, risk, dividends and earnings.

Insider & Institutional Ownership

94.0% of Clean Harbors shares are held by institutional investors. 8.9% of Clean Harbors shares are held by insiders. Strong institutional ownership is an indication that endowments, large money managers and hedge funds believe a stock is poised for long-term growth.

Risk and Volatility

Clean Harbors has a beta of 1.03, indicating that its share price is 3% more volatile than the S&P 500. Comparatively, Nalco Holding has a beta of 1.25, indicating that its share price is 25% more volatile than the S&P 500.

Analyst Ratings

This is a breakdown of current ratings and recommmendations for Clean Harbors and Nalco Holding, as reported by

Sell Ratings Hold Ratings Buy Ratings Strong Buy Ratings Rating Score
Clean Harbors 0 5 6 0 2.55
Nalco Holding 0 0 0 0 N/A

Clean Harbors currently has a consensus price target of $61.00, suggesting a potential upside of 18.47%.

Earnings and Valuation

This table compares Clean Harbors and Nalco Holding’s top-line revenue, earnings per share and valuation.

Gross Revenue Price/Sales Ratio NetIncome Earnings Per Share Price/Earnings Ratio
Clean Harbors $2.76 billion 1.06 -$39.87 million $0.07 735.57
Nalco Holding N/A N/A N/A $2.20 N/A

Nalco Holding has higher revenue, but lower earnings than Clean Harbors. Nalco Holding is trading at a lower price-to-earnings ratio than Clean Harbors, indicating that it is currently the more affordable of the two stocks.


This table compares Clean Harbors and Nalco Holding’s net margins, return on equity and return on assets.

Net Margins Return on Equity Return on Assets
Clean Harbors 0.13% 1.05% 0.31%
Nalco Holding 6.29% 33.10% 5.83%


Nalco Holding beats Clean Harbors on 5 of the 9 factors compared between the two stocks.

About Clean Harbors

Clean Harbors, Inc. is a provider of environmental, energy and industrial services throughout North America. The Company is also a re-refiner and recycler of used oil in the world and a provider of parts cleaning and related environmental services to commercial, industrial and automotive customers in North America. The Company operates in six segments: Technical Services, Industrial Services, Field Services, Safety-Kleen, Oil and Gas Field Services, and Lodging Services. The Company is also a service provider in the recovery and decontamination of pollutants. The Company provides services to protect the ozone layer from the effects of chlorofluorocarbons (CFCs). It offers brands, such as Performance Plus brand and green brand EcoPower. The Company also offers CleanPack services, which include the collection, identification and categorization, packaging, transportation and disposal of laboratory chemicals and household hazardous waste. It also provides hydro excavation services.

About Nalco Holding

Nalco Holding Company provides water, energy, air and process technologies and services. It provides service for water, energy and air through the worldwide manufacture and sale of specialized service chemical programs. This includes production and service related to the sale and application of chemicals and technology used in water treatment, pollution control, energy conservation, oil production and refining, steelmaking, papermaking, mining, and other industrial processes. It has three segments: Water Services, Paper Services and Energy Services. In July 2010, it acquired all of the business assets of Fabrication Technologies, Inc. (FabTech), which is a North American supplier of enhanced oil recovery (EOR) mixing and injection equipment. In April 2010, it purchased the assets of Res-Kem Corp. and General Water Services Corp. In January 2010, Nalco acquired a 50.1% controlling financial interest in Nalco Africa. In December 2011, it merged with Ecolab, Inc.

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