Answer: JCB, or J.C.Bamford Excavators
JCB, or J.C.Bamford Excavators Limited. as it is formally known, is the world's third largest construction equipment manufacturer. It is headquartered in Rocester, United Kingdom.
JCB is a family-owned business named after its founder J. C. Bamford, and produces distinctive yellow-and-black engineering vehicles, diggers ("Backhoes"), excavators, tractors, and diesel engines. In the UK, the word "JCB" is sometimes used colloquially as a generic description for any such type of engineering vehicle, and now appears in the Oxford English Dictionary, although it is still held as a trademark. JCB makes over 300 types of machines for construction, industry, agriculture and military engineering and in 2007 the company's turnover was £2.25 billion.