Heritage Mechanical Services, Inc. Heritage Mechanical Services, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> GNYWC Heritage Mechanical Services, Inc. 70 Schmitt Blvd.Farmingdale, NY 11735 | View on Google Maps (516) 558-2000 | fax: (631) 756-7406 Visit Site Member Since: 2024