We are an independent software vendor (ISV); we develop and market


…and we provide training and consulting in their use.

We also provide general consulting and expert witness services.

NOTE — in 2013 our name changed from Pennington Systems Incorporated to XTRAN, LLC and our domain changed from Pennington.com to XTRAN-LLC.com (for both Web and email).

Would you like to automate your software work?

XTRAN is a software meta-tool we have developed that marries compiler and expert system technologies to provide the automation of software engineering tasks involving a wide variety of computer languages, using a rules language that can be learned by any senior software engineer.  XTRAN comes with many existing rule sets for automating a wide variety of software engineering tasks, so you can start using it right out of the box.

Via its rules language, XTRAN provides automation of virtually any software engineering task to the greatest possible extent.  This automation includes:

This includes automating every aspect of every software engineering project and process, including major undertakings.  Examples include the following; you can click on each one for more information.

We back up this claim with many XTRAN examples.

How can XTRAN benefit you?

XTRAN's benefits apply to any organization with responsibility for a significant amount of code.  To find out how, please review the following common benefits first:

Then come back and select the one that best describes you:


Whether you want to document, analyze, standardize, improve, or re-engineer your code, or need to change programming languages, computer hardware, operating systems, or APIs, our software and services can help you.  Put our 45+ years of creating sophisticated, high-quality software to work for you!

Questions?  Comments?

If you have questions or comments about XTRAN, us, or this Web site, please contact us.

HP (Compaq, Digital) VMS users — click here!

Partners and Affiliations

Dell Consultant Network
Dell Consultant Network
HP User Group — Member

Fujitsu Alliance Program
PartnerWorld™ — Member
iCMG's Architects Corner
Architects Corner™ —
Designated Architecture Expert

IMS EliteXpert(TM)
IMS ExpertServices™ —
Designated EliteXpert
Intel Software Partner
Software Partner
Micro Focus MTC

Microsoft Developer Network
Microsoft Developer Network — Member
Novell PartnerNet
PartnerNet member

  Red Hat

Firefox 4+ users on Windows 7, please read!

There is a Windows/Firefox bug that causes the Arial Black type face to render incorrectly.  If this — XTRAN — doesn't look like this — , please enter "about:config" (no quotes) in Firefox's URL box, click "I'll be careful" on the warning if it appears, and (carefully!) set the value of "gfx.direct2d.disabled" to true.