3-Heights™ Document Converter Service: This product also converts existing PDF documents to PDF/A (incl. digital signature), beside e-mails (including attachments), MS Office documents, scans and images. Also OCR Add-On available.
www.pdf-tools.com

3-Heights™ PDF to PDF/A Converter: The 3-Heights™ PDF to PDF/A Converter converts PDF files into PDF/A-1a or PDF/A-1b compliant documents. This unique server tool includes digital signature capability, allowing you to sign the PDF/A documents with a PDF/A compliant digital signature.
www.pdf-tools.com

ABBYY FlexiCapture 8.0 Professional: A comprehensive product offering capture of data from all types of documents in a single, complete solution. PDF and PDF/A are Image Input Formats. FlexiCapture 8.0 Professional exports extracted data as well as the converted documents as searchable PDF/A.
www.abbyy.de

ABBYY FineReader Engine 9.0: The next generation of ABBYY’s award winning OCR technology. MRC (Mixed Raster Content) Compression for PDF and PDF/A. MRC compression achieves significantly better file compression without visible degradation of document representation.
www.abbyy.de

ABBYY Recognition Server 2.0: Scalable, server-based OCR solution, supports editable PDF-files, PDF files optimised for the internet and tagged PDF and PDF files with security and incriptions supports and PDF/As for long term archiving.
www.abbyy.de

ABBYY Fine Reader 9.0 Professional Edition / Corporate Edition: Bothj solutions offer high recognition quality and impeccable layout retention. Convert PDF documents into editable files, saved as secure PDFs, PDFs optimised for the Internet and tagged PDFs. Support of PDF/A for long term archiving.
www.abbyy.de

Adobe Acrobat 8 Professional and 9 Pro (MacOSX/Windows): The integrated ‘Preflight’ function not only validates PDF/A, but can in the same step also fix numerous issues reported. With this, legacy PDF files can be converted to valid PDF/A.
www.adobe.com

callas pdfaPilot 2: Converts existing PDF documents to PDF/A. Available as interactive Desktop product that includes a XMP Extension Schema Editor, as Server, as Command line module and as library. Based on the same callas technology that Adobe uses in Adobe Acrobat.
www.callassoftware.com

iDRS (Intelligent Document Recognition System) is a powerful recognition SDK. Its simple and complete C++ interface allows to integrate the latest I.R.I.S. technologies into their own, preexisting application. iDRS features the possibility to export the recognized data to various file formats, among which PDF and PDF/A-1b files, which can be both hyper-compressed.
www.irislink.com

I.R.I.S.: Readiris Corporate 12 is a powerful OCR solution designed for small businesses. With Readiris, save an incredible amount of time when converting any paper document or images into digital files you can edit, index and share! Readiris Corporate 12 comes with advanced PDF features such as high quality image compression, digital signature and file encryption. Use this powerful solution to create PDF/A files on Mac or PC.
www.irislink.com

IRISDocument Server is the most robust solution to structure, index, highly compress and convert documents into optimized searchable text files. Designed to process large volumes on one workstation or on a server using images coming from multiple workstations, with declinations and connectors developed for a variety of scanning environments and exporting possibilities. IRISDocument Server features a comprehensive list of output file formats, with PDF and PDF/A-1b among the most commonly used. They can be both hyper-compressed.
www.irislink.com

IRISPowerscan is the most powerful, easy-to-use production to combine high-speed scanning with OCR indexing and character recognition features. IRISPowerscan can be combined and connected to any other I.R.I.S. software to create a complete document workflow, from front-door content to Document Management System or ERP. IRISPowerscan has its own OCR engine based on the I.R.I.S. technologies and is able to generate among others PDF and PDF/A-1b files, which can be both hyper-compressed.
www.irislink.com

myPDFconvert: by DETEC converts documents of various PDF and graphics formats to PDF/A-compliant documents or to files according to other PDF specifications such as PDF/X.
www.detec.com
Whitepaper: myPDFconvert

The PDF/A Converter Service now also is able to convert PDF as well as Image files (TIF, JPEG, PNG, BMP) direct to PDF/A.
www.xkey.at

PDF/A Manager: A fast and reliable way to convert any PDF file (PDF 1.0 to ISO32000) to a PDF/A compliant document. Supports both PDF/A-1a and PDF/A-1b. Also includes ability to validate PDF/A files against the PDF/A Specification. Available as a command-line tool or as a development library for integration with 3rd party applications.
www.pdftron.com

PDF Xpress: PDF Xpress is delivered as both a .NET Software Development Kit (SDK) and an ActiveX SDK. It is used to create PDF documents, modify and reorganize existing PDF documents, access metadata, view and create PDF/A documents, and more.
www.accusoft.com

SEAL Systems PDF Adjust: With PDF Adjust from SEAL Systems many attributes and characteristics of existing PDF files can be adjusted to a standardized system of rules. PDF Adjust is available for batch mode processing or interactive usage.
www.pdfforever.de

Solid Documents Solid PDF Tools: Creates PDF/A-1b compliant and searchable documents directly from standard PDF files.
www.soliddocuments.com

Xenos d2e™: PDF/A generator transforms PDF to PDF/A. Pure Java solution for high-volume, high performance. Enforces PDF/A-1b compliance with automatic embedding of Base14 fonts, supports user defined color profiles and embedded font subsetting.
www.xenos.com