MC Template TCorp, Inc. TCorp, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Public Utilities & Environment >> Utilities & Energy Services >> Environmental Services TCorp, Inc. 416 Roosevelt Highway, Suite 203Colchester, VT 05446 | map | directions Visit Site TCorp provides comprehensive energy evaluations of non-residential buildings, high-efficiency mechanical and thermal designs and project management services. If your business isn't here, contact us today to get listed!