Prior to July 1, 2026, in order for an ignition interlock device model to be certified, it must meet or exceed the standards and specifications in 260 IAC 3-2-1 (now repealed).
The ignition interlock device models listed below are certified for use in Indiana under the prior administrative code. Certified device models are listed chronologically by certification date, and the order in which a device model appears on the list does not indicate any endorsement or preference by ISDT.
| Device Model | Manufacturer Representative | Certification Issue Date | Certification Expiration Date |
| Co-Pilot | A Simple Interlock, LLC.500 E. Dallas Road, Suite 100 Grapevine, TX 76051Telephone: 800-880-3394 |
November 21, 2024 | November 20, 2027 |
| Draeger Interlock® 7000 | RoadGuard Interlock, LLC.1221 South Beltline Road, Suite 700Coppell, TX 75019Telephone: 972-929-1100 | December 4, 2024 | December 3, 2027 |
| QT2 | Monitech, LLC.4920 South Alston AvenueDurham, NC 27713Telephone: 800-514-7860 | February 7, 2025 | February 6, 2028 |
| FIT229-LC | FIT229-LCA&A Product Company9500 Westview Drive, Suite 111Houston, TX 77055Telephone: 800-859-2113 | April 10, 2025 | April 9, 2028 |
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| AMS 2500 | Guardian Interlock LLC 3620 Park 42 Drive, Suite 140C Cincinnati, OH 45241Telephone: 800-231-4319 |
May 30, 2025 | May 29, 2028 |
| LifeSafer L250 | #1 A LifeSafer, Inc. 3630 Park 42 Drive, Suite 140 Cincinnati, OH 45241Telephone: 800-531-0006 |
June 20, 2025 | June 29, 2028 |
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Smart Start SSI 20-20 & SSI 20-30 |
1A Smart Start, LLC 500 E. Dallas Road, Suite 100 100 Grapevine, TX 76051Telephone: 800-880-3394 |
July 15, 2025 |
July 14, 2028 |
| DM909-Determinator 2 | Alcohol Detection Systems Technology, LLC 12421 Meredith Drive, Suite 100 Urbandale, IA 50311Telephone: 888-205-1839 |
December 9, 2025 | December 8, 2028 |
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Smart Start SSI 2035 & SSI Flex |
1A Smart Start, LLC 500 E. Dallas Road, Suite 100 Grapevine, TX 76051Telephone: 800-880-3394 |
August 8, 2026 | August 7, 2029 |