Listed Technology Specifications Here are the listed technology specifications in the Official Mail Guide effective October 28, 2025 (click a category): A-C 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 Printing Systems 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 Accounting Systems Mail Carts & Accessories Mail Monitoring/Visioning Mailing Lists & Services Mailing Service Providers Mailing Supplies/Accessories Mail Openers/Extractors P-S Parcel/Mailbox Lockers Parcel Mailing & Sorting Systems Postage Meters/Mailing Systems Scale/Label System Self Mailing Systems Shipping Management Systems Stamp Affixers T-W Tabbing Systems Tipping Systems Tracking/Receiving Systems Tray Processing Systems Verification Systems Vote-By-Mail Ballot Sorters