Ontario Provincial Police in Pembroke are looking for someone who broke into Cassidy's Transfer and Storage on MacKay Street.
Officers said a maintenance garage on the property had been broken into during the overnight hours Sunday into Monday morning.
A significant amount of tools and tools boxes were among the items stolen from the shop.
Further details on the items stolen will be released as they become available.
Forensic Identification Services officers are assisting with the investigation. Anyone with information regarding this break, enter and theft is asked to contact the Pembroke Detachment of the Upper Ottawa Valley OPP at 613-732-3332 or Pembroke/Renfrew County Crime Stoppers at 1-800-222-TIPS (8477) or at www.valleytips.ca.