SWK Technologies has purchased ProductiveTech, a managed service provider based in Westfield, N.J. While terms were not disclosed, SWK's parent, SilverSun Technologies, said the acquired company would add $1.7 million in annualized revenue, $930,000 of that recurring subscription revenue. The deal is expected to close in the current quarter. Founded in 1984, by president John McPoyle, PTI serves Southern New Jersey, Eastern Pennsylvania, and Northern Delaware.