Electrical chain Comet has been fined £75,000 with nearly £25,000 costs after the death of a roof worker at a Wrexham store.
Comet had previously admitted failing to ensure the safety of Paul Alker, who fell through a skylight in 2007.
The Judge at Mold Crown Court, his honour Rhys Rowlands, said it was an "accident waiting to happen".
A previous hearing was told Mr Alker, and a colleague, had not been supplied with roofing harnesses.
A factory in Ashton-under-Lyne has been fined £26,000 after one of its workers suffered major injuries when he became trapped in rotating machinery.
An electrician employed by East Ayrshire Council died because of failings of his employer, a court heard.
At a hearing at Kilmarnock Sheriff Court, on 16 June, 2010, East Ayrshire Council pled guilty to a charge under section 2 of the Health and Safety at Work etc Act 1974 and were fined £56,000 the following day.
Two Gloucestershire companies have been fined after a roofing contractor fell through a skylight and suffered serious head injuries.
Woodgate Sawmills Limited, and Stanley John Frederick Stephens of The Longhope Welding Company (a partnership) were prosecuted by the Health and Safety Executive (HSE) after Robert Stephens fell through a fragile skylight while working on the roof of a sawmill building at Mile End, Coleford, Gloucestershire.
The directors of a Bedfordshire bakery have been fined after a series of health and safety breaches exposed staff to serious danger - including electrocution and exposure to flour dust.
Genaro Saiano and Dejan Durkin, the directors of DG Bakery Ltd, based in Harrowden Road, Bedford, appeared at Bedford and Mid-Bedfordshire Magistrates' Court today facing health and safety charges.
A West Sussex-based company, Flowserve (GB) Ltd, was fined £150,000 today (4 June) at Lewes Crown Court following the death of a 21-year-old employee.
The prosecution follows an investigation by the Health and Safety Executive (HSE) after an incident on 7 May 2008 at Flowserve (GB) Ltd's site in Burrell Road in Haywards Heath.
American Airlines has today been fined £70,000 after one of its workers had to have his leg amputated following an incident at Heathrow Airport.
On the evening of 11 November 2008 ground support worker Kulwant Bhara, 45, from Slough, was preparing an aircraft at Terminal 3 at London Heathrow Airport. A 70-tonne 'pushback tug', used to move aircraft from the departure gate, had finished manoeuvring a plane into position and was leaving the stand.
The owner of a Penrith wood processing plant has today been fined £20,000 after a worker had his foot completely severed by a log shavings machine just two weeks into his new job.
Allan Wilson Jenkinson, aged 56, of Clifton Moor, Clifton, Penrith, was prosecuted by the Health and Safety Executive (HSE) for putting workers at risk. He was also ordered to pay £6,146 in costs
A local authority and its contractor have been fined after a worker left a family exposed to dangerous asbestos fibres for three days.
City of Lincoln Council and County Waste (Lincs) Ltd were prosecuted by the Health and Safety Executive (HSE) after allowing asbestos insulation boards to be incorrectly removed.
Premier League football club Aston Villa has been fined after a worker was badly injured by a fall through a roof during the redevelopment of its training ground.
Two contractors from Mechanical Cleansing Services Ltd were working at the Bodymoor Heath complex near Sutton Coldfield when one of them plunged three metres through a fragile rooflight.
The company had been employed to drain fuel tanks on a roof during demolition of an old building on the site.