Question: The Harrogate Bus Company is a bus operator based in Harrogate, North Yorkshire, it's a subsidiary of which bus group in England, and owns six bus companies in the Lancashire and Yorkshire regions?

Context paragraphs:
Harrogate bus route 36: Route 36 is a bus service operated by Harrogate Bus Company between Ripon, Harrogate and Leeds, serving the commuter market between Harrogate and Leeds as well as the more rural hinterland between Ripon and Harrogate.  It is an example of a premium service characterised by more luxurious vehicles compared to those used on other commuter lines, which in combination with a high service frequency has significantly increased ridership and influenced the modal split in favour of public transport.

Transdev Blazefield: Transdev Blazefield is a bus group in England.  It owns six bus companies in the Lancashire and Yorkshire regions.  Formed in 1991, since January 2006 it has been a subsidiary of Transdev.

Keighley Bus Company: The Keighley Bus Company is a bus operator based in Keighley, West Yorkshire.  It is a subsidiary of Transdev Blazefield.  Commencing in July 2016, the business is progressively being rebranded from Transdev in Keighley.

Ivanhoe Bus Company: Ivanhoe Bus Company is a bus operator in Melbourne, Australia.  As a Melbourne bus company, it operates six bus routes under contract to the Government of Victoria.

North Western Road Car Company (1923): The North Western Road Car Company was a bus company in Stockport, England, formed in 1923 from the existing bus services of the British Automobile Traction Company Limited (itself a subsidiary of the British Electric Traction Company Limited) in Macclesfield.  The company operated bus services in five counties (Cheshire, Lancashire, West Riding of Yorkshire, Derbyshire and Staffordshire) through a combination of growth and the acquisition of other bus companies, such as the takeover in 1924 of the Mid-Cheshire Motor Bus Company Limited, which brought new operations in Northwich and Flixton.  The company also operated express coach services to London, North Wales and Yorkshire.

Harrogate Bus Company: The Harrogate Bus Company is a bus operator based in Harrogate, North Yorkshire.  It is a subsidiary of Transdev Blazefield.  Commencing in July 2016, the business is progressively being rebranded from Transdev in Harrogate.

Singapore Bus Service: Singapore Bus Services (SBS) was a public bus operator in Singapore formed in 1973 from the merger of three private bus companies; the Amalgamated Bus Company, Associated Bus Services and United Bus.  The government-sanctioned merger was undertaken to improve service standards of the bus transport system, which formed the backbone of public transport then.  The fledgling company was listed on the Stock Exchange of Singapore in 1978 under the name of Singapore Bus Service (1978) Limited.

Eastern Scottish: Eastern Scottish was a bus and coach operator based in Edinburgh, Scotland and a subsidiary of the Scottish Bus Group (formerly SMT Group).  Eastern Scottish Omnibuses Ltd. was formed in June 1985 from the main part of Scottish Omnibuses Ltd., which had itself traded as 'Eastern Scottish' since the 1960s.  Following privatisation in 1990 the company traded as 'SMT' reviving the original name of the company (Scottish Motor Traction).  It operated until 1994, when it became part of GRT Bus Group plc.

History of the PTE bus operations: The Passenger Transport Executive (PTE) bus operations were the bus operating divisions of the passenger transport executives in the United Kingdom.  In 1986 they underwent a process of deregulation and privatisation, forming some of the largest private bus companies in the UK outside London, with all being sold to their employees or management.  Despite their relative size and lucrative operating areas, none of the companies survived beyond the late 1990s, with all falling into the hands of the major bus groups, who had their origins in privatised regional subsidiaries of the former National Bus Company and the Scottish Bus Group.

Harrogate line: The Harrogate line is a passenger rail line through parts of North Yorkshire and the West Yorkshire area of northern England connecting Leeds to York by way of Harrogate and Knaresborough.  Service on the line is operated by Northern, with a few additional workings by Virgin Trains East Coast starting and terminating at Harrogate.  West Yorkshire Metro's bus and rail "MetroCard" ticket is available for journeys between Leeds and Harrogate.

Supporting paragraphs: Harrogate Bus Company Transdev Blazefield
Answer: Transdev Blazefield