McGrath RentCorp (MGRC) is a diversified business to business rental company. The Comapny has three rental divisions: relocatable modular buildings, electronic test equipment, and liquid and solid containment tanks and boxes. The Company�s primary emphasis is on equipment rentals, sales of equipment. The Company consists of four business segments: its modular building and portable storage rental division (Mobile Modular); its electronic test equipment rental division (TRS-RenTelco); its wholly owned subsidiary providing containment solutions for the storage of hazardous and non-hazardous liquids and solids (Adler Tanks), and its wholly owned subsidiary classroom manufacturing business selling modular buildings used primarily as classrooms in California (Enviroplex).