This is a holistic vet who does acupuncture on animals in
Washington Crossing, Bucks County PA. (on the PA/NJ border, along the Delaware River-not far from Trenton, NJ)
http://www.devakhalsavet.com (215) 493-4335
I emailed her asking if she knows of any practitioners in
Central Jersey who do massage for canines. Will have to wait & see if she responds.
As to massage, I do have a friend who does shiatsu work on dogs - located in Bucks County - if you would like her info. She works part time at a place called The Pet Campus (a facility offering boarding, training, grooming, & doggy day care) out of Pineville, PA http://www.thepetcampus.com
(215) 598-7414
There's one other holistic vet in our local area that's a bit further north who offers acupuncture on animals
(Bucks County) Holicong, PA 19067 215-493-0621 ext. 6 Dr. Barrie Barr VMD, CVA ...
This site is for holistic vets over a large portion of the country which may help:
http://www.pets4homeopathy.com/holisticvetlist.html#nj
Hopefully this helps you out!