Top Notch Security Inc. has acquired Corporate IQ Inc., a move that will open a new market for one business, while ensuring a strong future for the other. Top Notch, the 12th largest security company in the Memphis area, will increase its workforce by 35 to 237, while gaining exposure in the corporate and residential markets, which are specialties of Corporate IQ. Alfred Washington, president and CEO of Top Notch, said being able to enter that market was a strong part of the appeal for him. "Residential…