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SPI specialises in plumbing, heating, mechanical, electrical, ventilation, domestic air conditioning installations, service and maintenance contracts for local authorities and major contractors. Established in 1966, SPI employs approximately 300 people and has three offices in the West Midlands region including its head office in Chasetown, Staffordshire. – more... SPI is ISO 9002, Corgi and NIC EIC registered. – less – More from ZoomInfo »