Based out of Maryland, Trolley Support LLC has been servicing the transit industry for over 20 years, and supports every electric trolley bus fleet in the United States. Trolley Support specializes in providing Trolley Poles, Collector Heads, Carbon Inserts, Pantographs, Overhead Line Parts, and the S-1 GARD Dangerzone products for both transit and school bus fleets. We have a team of professionals available 24/7 who ensure on-site visits and solve your problems to get you the parts you need.