In the intervening years sales have increased from £15m to £70m in 2011 with an expanding staff reaching 170 employees last year. And it has announced details of a five-year, £9m expansion.
A 22-metre high, £5m test centre will be the tallest building on the industrial estate and house a crane to lift huge pumps in and out of a 15-metre deep pit filled with more than a million litres of water. The final phase will see the old offices replaced by a new three-storey building with conference and training facilities.
SPP operates across 10 sectors including oil and gas, water utilities and fire protection.