Version Nineteen of the STEP Tools technology stack was brought to you by:
- Jochen Fritz
- Martin Hardwick
- Dave Loffredo
The following people have also contributed their skills and talents to past releases: Jeremy Anderson, Louise Bender, Sam Bonfante, Bert Cromling, Blair Downie, Annalara Ellerup, Lesli Garnett, Charles Gilman, Gene Greger, Brandon Houghton, Rick Kramer, Stacy Kramer, Alexey Lipatov, Brian Lloyd-Newberry, Jane O'Clair, Ford Oxaal, Paula Popson, Joshua Porter, James Sun, John Valois and Jeff Young.