Diesel fuel has been the target for thieves in the region in recent days.
The fuel was stolen from a dumper truck and another vehicle on the compound owned by Birch Building Company in Church Warsop.
They gained access by lifting up fence panels and undid piping on the vehicles between Friday, 6th February and Monday, 9th February.
The day before, a diesel filter was stolen from a van parked on Long Meadow, Mansfield Woodhouse.
Anyone with information about the Birch Building Company incident should phone police and reference 000152-09022015.
For the Mansfield Woodhouse incident contact police referencing 000139-06022015.