The firm's head of safety, Chris Pike said: "UPM Tilhill, the UK's largest timber-harvesting and environmental works company, continues to meet RoSPA's key performance needs."
Managing director Steve Lavery said: "We are continually striving to improve our health and safety and last year made a video that must be shown to all new starters and sub-contractors."
Meanwhile ISS Facility Services Landscaping notched a silver gong, said Robin Jackson, the firm's compliance manager.
"Our safety management systems meet national approval. We have managed safety throughout the company, creating a safe workplace for staff."
ISS Facility Services Landscaping is one of the UK's largest grounds' maintenance service providers with council and corporate contracts.
RoSPA's award scheme aims to help reduce the number of accidents at work and encourage organisations to develop health-and-safety management systems.
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