Contact Us We’d love to hear from you. General QuestionsLabel QuestionsFor inquiries about our company, facilities, or product development, contact jeff@lhnvd.com. Ordering & Special PricingTo see our available tube selection, place an order and obtain full pricing sheets, contact info@lhnvd.com, or call 301-401-8388. Production PartnershipsLonghorn works with a team of suppliers and manufacturing partners based in the U.S. to ensure access and quality of components and finished goods. Corporate Headquarters 7272 Wisconsin AvenueSuite 900Bethesda, MD 20814301-233-1551
