The victim, a business located on Howick-Turnberry Road reported the thieves stole close to 500 litres of diesel fuel from some construction vehicles that were parked at the business.
The thieves also broke into a storage trailer on site however nothing was reported stolen.
The theft took place sometime over the weekend.
If you have any information on this incident please contact Huron County OPP at 1-888-310-1122 or 519-482-1677. You can call anonymous at Crime Stoppers at 1-800-222-TIPS.