Current SDDOT DBE Directory Current Excel SDDOT DBE Heavy Highway Contractors Directory Click here Click here Go back to directory. Barupon, L.L.C. Barupon, L.L.C. Contact: Rupa Tammabattula 116 Alumroot Irvine CA 92620 work Work Phone: (347)892-2222work Work Email: rupa@barupon.comINTERNET Categories: 423450, 423990, 425120 Updated 5 months ago.