According to our records, this business is located at 198 Locust Dr. in Middletown (in New Castle County), Delaware 19709, the location GPS coordinates are: 39.4380292 (latitude), -75.7148373 (longitude). Benchmark Transmissions is categorized under Car Transmissions Parts (SIC code 7537). Current estimates show that the unit has a sales volume of $216,000 and staff of approximately 2 people. You can contact the company by phone at (302) 376-6510.