TSI is licensed by the State of New Hampshire and the federal Environmental Protection Agency to transport and store PCB and non-PCB containing electrical equipment. TSI is also a licensed PCB waste transporter in Massachusetts, Connecticut, Maine, Vermont, New York and most other states in the Eastern US.

TSI is an aggregator: disposal equipment and materials are brought to TSI where oil is removed and stored. Solid and liquid waste is taken to an appropriate EPA approved disposal site, usually on a bi-monthly basis.