MGRC McGrath RentCorp is a rental provider of relocatable modular buildings for classroom and office space, electronic test equipment for general purpose and communications needs, and liquid and solid containment tanks and boxes. The Company operates in four segments: Mobile Modular Management Corporation, its modular building rental division, (Mobile Modular); TRS-RenTelco, its electronic test equipment rental division; Adler Tank Rentals, LLC, its wholly owned subsidiary providing containment solutions for the storage of hazardous and non-hazardous liquids and solids (Adler Tanks), and Enviroplex, Inc., its wholly owned subsidiary classroom manufacturing business selling modular buildings used primarily as classrooms in California (Enviroplex). The Company’s rental operations include rental and rental related service revenues, which consisted of approximately 81% of revenues during the year ended December 31, 2010.
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