McGrath RentCorp operates as a business-to-business rental company in the United States and internationally. The company also engages in renting and selling relocatable modular buildings, portable storage containers, and electronic test equipment. The company operates through four segments: Mobile Modular, Portable Storage, TRS-RenTelco, and Enviroplex. The Mobile Modular segment rents and sells modular buildings designed for use as classrooms, temporary offices adjacent to existing facilities, sales offices, construction field offices, restroom buildings, health care clinics, childcare facilities, office spaces, and various other purposes. The Portable Storage segment offers steel containers, such as storage and office containers, to provide temporary storage solutions to construction, re…