 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, has added DAVO Sales Tax, a sales tax management service, to its integration partner ecosystem. ParTech, Inc. is a wholly owned subsidiary of PAR Technology Corporation NYSE: PAR. DAVO simplifies the sales tax management process for restaurant operators without forcing them to take any additional acti 