 NEW HARTFORD, N.Y.--BUSINESS WIRE--ParTech, Inc. PAR, a leading global provider of point of sale POS software and integrated technical solutions to the restaurant and retail industries, is adding Lunchbox, a fast-growing startup offering a suite of next generation enterprise online ordering tools to its growing integration partner ecosystem. ParTech, Inc. is a wholly owned subsidiary of PAR Technology Corporation NYSE: PAR. Lunchbox features a variety of digital solutions designed to em 