XT-2000, Inc. is the manufacturer of XT-2000 Orange Oil Plus®, which is a highly effective treatment for drywood termites. XT-2000, Inc. was created around a simple idea - to create a least toxic, low impact method of drywood termite treatment. XT-2000 Orange Oil Plus® is 95% pure d-limonene. XT-2000 Orange Oil Plus® is created from naturally occurring essential oil found in orange rinds. This remarkable citrus oil is a proven and highly successful treatment for the eradication of drywood termites. Orange oil is also used in cleaning solutions, pet shampoos, soaps, and perfumes. Look in your cabinets - you probably already use products containing orange oil!