OMNTEC, Introduces the Delivery Defender™ Overfill Alarm & Display. OMNTEC MFG., Inc. has been manufacturing quality American-Made Tank Gauging and Leak Detection Systems, since 1981. Stop by Booth 710 and see how OMNTEC is helping our customers meet the NEW EPA regulations and mitigate their growing Risk. Regardless if your fuel facility is Retail, Commercial, or Bulk we at OMNTEC have economical Systems & Solutions to satisfy your Inventory, Leak, and compliance needs. This year OMNTEC is proud to introduce the new Delivery Defender ™, which combines the benefits of an overfill alarm and a remote display in one unique box.