East Coast Service center referral needed for an ARC D-300.2 amp

Happy 2022 everyone!  I recently purchased a ARC D300.2 amp and would like to have it serviced; however, ARC has informed me that they will not service the piece any longer nor do they have any replacement parts for this amp.  the ARC rep did say that a skilled and qualified service tech will be able to rebuild or restore any parts that may need repair.  Please help me with some locations that will handle any repair or service issue and will have the ability to restore discontinued internal parts. 

thanks!

Mark