ValuJet's maintenance contractor, Sabrejet, was later convicted of not conducting adequate hazardous-materials training.

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He worked for a sub-contractor of Tube maintenance company, Tube Lines.

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Building contractor Cowley's Building and Maintenance Ltd of Colyton, Devon, and its director Christopher Reed were also prosecuted.

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He suggested that Alstom's contract be torn up, and that it was time to renegotiate the public-private agreements that delegate the running and maintenance of the Underground to two private companies, Metronet and Tube Lines (of whom Alstom is a sub-contractor).

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