CommTank, Inc. Competitors

Clean Harbors is North America’s leading provider of environmental and industrial services. The Company serves a diverse customer base, including a majority of Fortune 500 companies. Its customer base spans a number of industries, including chemical, and manufacturing, as well as numerous government agencies. These customers rely on Clean Harbors to deliver a broad range of services such as end-to-end hazardous waste management, emergency spill response, industrial cleaning and maintenance, and recycling services. Through its Safety-Kleen subsidiary, Clean Harbors also is North America’s largest re-refiner and recycler of used oil and a leading provider of parts washers and environmental services to commercial, industrial and automotive customers. Founded in 1980 and based in Massachusetts, Clean Harbors operates throughout the United States, Canada, Mexico and Puerto Rico.

Greif (NYSE: GEF, GEF.B), is a global leader in industrial packaging products and services and is pursuing its vision: be the best performing customer service company in the world. The Company produces steel, plastic and fibre drums, intermediate bulk containers, reconditioned containers, containerboard, uncoated recycled paperboard, coated recycled paperboard, tubes and cores and a diverse mix of specialty products. The Company also manufactures packaging accessories and provides filling, packaging and other services for a wide range of industries. Greif also manages timber properties in the southeastern United States. The Company is strategically positioned in more than 35 countries to serve global as well as regional customers. Additional information is on the Company's website at www.greif.com.

BakerCorp, a United Rentals Company, is a market leader in tank, pump, filtration and shoring equipment rentals, with a network of locations including operations in North America and Europe. Backed by a broad selection of high-quality industrial, liquid and solid-handling equipment, our exceptional team helps get our customers what they need, where they need it, on time. The company maintains a rental fleet consisting of more than 20,000 units, including steel tanks, polyethylene tanks, roll-off boxes, pumps, pipes, hoses and fittings, filtration units, tank trailers, berms and trench shoring equipment. BakerCorp serves customers in over 15 industries including oil and gas, industrial and environmental services, refining, environmental remediation, construction, chemicals, transportation, power and municipal works. The company also works with customers to deliver a mix of products and services for a wide variety of applications that include: chemical, manufacturing, refining, construction, municipal, industrial services, environmental remediation, power generation, tank terminal/pipeline operations, transportation, mining, electronics and wastewater. For more information visit www.bakercorp.com