The Pennsylvania company accepted the offer and made $22 million in profit on the sale.
The five Pennsylvania companies came from the eastern part of the state.
Their decisions have come after big investors threatened to sell the shares of Pennsylvania companies that accepted the protection.
But not all big Pennsylvania companies are rejecting the measure.
"If this measure has saved or helped one Pennsylvania company, then it was worth doing," he said.
But a Pennsylvania company that sells a similar piece of software is crying foul.
The Pennsylvania company was under contract to do all maintenance work and operate the steam generation plants at the center.
The material had been manufactured by a northeastern Pennsylvania company for police departments across the state since 1982.
The Pennsylvania companies were also trying to pass on costs of abandoned plants, he noted.
They order and share a minimum of $350 worth of food, paying wholesale prices, from a Pennsylvania company.