The men indentified as - 25-year-old Greg Woodman and 19-year-old Michael Sloan Jr. face a number of charges.
On Wednesday the Pine Hill Police Department was dispatched to the Boy Scouts of America Scout Reservation on New Freedom road for the report of a large brush fire.
Heavy smoke was reported upon arrival.
The New Jersey Forrest Service arrived at the scene and located two large brush fires in the area and started battling the blaze.
Around the same time, one officer was dispatched to National Paving nearby for the report of two suspicious males running from the property.
A witness reported seeing the two men dressed in all black running from the building.
Upon arresting the suspects, police say Woodman and Sloan admitted to each starting one of the brush fires.
They also both admitted to entering National Paving with the intent to steal copper and tools.
Officers later recovered a bag in the wooded near the fires, that had been discarded by the men. The bag contained bolt cutters, ski masks and gloves.
Authorities said Woodman remained jailed Saturday, while Sloan has been released.
Both men are charged with arson and other related crimes.