Listed Technology Specifications Here are the listed technology specifications in the Official Mail Guide effective May 15, 2026 (click a category): A-C AI and Analytics Address/Barcode Printers Addressing Accessories Air/Surface Tagging Systems Analytics Software Barcoding/Sorting Systems Bursters/Cutters/Processors Conveyors D-E Database/Postal Software Die Cutting Systems Digital Mail Systems Divert Systems Document Automation Management Document Processing Systems Document Software Envelopes/Mailers Envelope Sealing Systems Equipment Maintenance Services F-I Folding Machines Incoming Mail Sorters Ink Inserter Mailing Systems Inserter Feeders/Accessories L-M Mail Carts & Accessories Mail Monitoring/Visioning Mailing Lists & Services Mailing Service Providers Mailing Supplies/Accessories P-S Parcel/Mailbox Lockers Parcel Mailing & Sorting Systems Postage Meters/Mailing Systems Self Mailing Systems Shipping Management Systems Stamp Affixers T-W Tipping Systems Tracking/Receiving Systems Tray Processing Systems Verification Systems Vote-By-Mail Ballot Sorters