Gardaí are investigating reports of thefts in 14 separate counties.
Gardaí are appealing to hardware stores and agricultural co-ops that may have been the victims of theft in recent months to come forward.
They're currently investigating reports of fraudsters targeting businesses in 14 separate counties since December last year, including Laois, Offaly and Westmeath.
Providers are being warned of reports of people providing fraudulent credit card details in order to purchase materials.
An incident room has been established in Thurles Garda Station and a senior investigating officer appointed.
Any potential victims, at any location, who have not yet come forward are asked to contact any garda station or the Garda Confidential Line on 1800 666 111.
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