MicroNet Template The Witmer Company Share: Contractors - Heating/Air Conditioning Systems The Witmer Company Visit Website 286 Locust St New Holland, PA 17557 717-354-4281 (717) 355-2780 (fax) LinkedIn Facebook Twitter Google+ youtube About Map About The Witmer Company’s trained and experienced technicians can solve all your plumbing, heating and air conditioning problems. Contact The Witmer Company for prompt service, repair and maintenance for c What's Nearby? Distance: 5 10 15 20 25 50 mi.