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This table lists the current service centers and mobile installers for Ignition Interlock Devices approved for use in Wisconsin by WDOT. For additional information, you may contact the Wisconsin State Patrol’s Chemical Test Section at 608-266-0084 or visit the Department of Transportation, State Patrol website.
| County | City | Service Center | Address | Phone |
|---|---|---|---|---|
| Dodge | Beaver Dam | National Interlock Service of WI | 1247 Madison Street | 800-584-1226 |
| Dodge | Beaver Dam | Rally Motors | 1235 Madison Street | 877-777-5020 |
| Dodge | Juneau | Elite Auto Sales, LTD | 207 West Street | 877-777-5020 |
| Jefferson | Fort Atkinson | LB Automotive | N1660 Highway 26 | 877-777-5020 |
| Jefferson | Watertown | Fine Details | 508 W. Main Street | 877-777-5020 |
| Jefferson | Watertown | National Interlock Service of WI | N1009 State Road 26 | 800-584-1226 |
| Milwaukee | Franklin | National Interlock Service of WI | 10610 W Venture Drive | 800-584-1226 |
| Milwaukee | Glendale | Car-Feteria (WI Ignition Interlock Device ) | 6767 N. Teutonia Avenue | 800-332-6858 |
| Milwaukee | Milwaukee | Captain Install | 2231 N. Humboldt Avenue | 877-777-5020 |
| Milwaukee | Milwaukee | National Interlock Service of WI | 6900 W. Capitol Drive | 800-584-1226 |
| Milwaukee | Milwaukee | Ziebart Milwaukee | 2021 S. 108th Street | 877-777-5020 |
| Racine | Racine | Erickson Auto Trim Racine | 1339 14th Street | 877-777-5020 |
| Racine | Racine | Sound Decisions | 1440 S. Green Bay Road | 800-880-3394 |
| Walworth | Elkhorn | Hi Tech Automotive | 415 S. Getzen Street | 877-777-5020 |
| Walworth | Elkhorn | National Interlock Service of WI | 1950 N. Wisconsin Street | 800-584-1226 |
| Walworth | Lake Geneva | Lake Geneva Auto & Detailing | 923 Williams Street | 877-777-5020 |
| Washington | Hartford | National Interlock Service of WI | 525 Pine Street | 800-584-1226 |
| Washington | West Bend | Bob’s Main Street | 1200 N. Main Street | 877-777-5020 |
| Washington | West Bend | National Interlock Service of WI | 601 S. Main Street | 800-584-1226 |
| Waukesha | Brookfield | Car X Auto Service | 13190 W Capitol Drive | 877-777-5020 |
| Waukesha | Brookfield | Thomas Auto Works | 4375 N. 124th Street | 877-777-5020 |
| Waukesha | Hartland | Hartland Service Inc | 400 E. Industrial Drive | 877-777-5020 |
| Waukesha | Menomonee Falls | National Interlock Service of WI | N87W17460 Main Street | 800-584-1226 |
| Waukesha | Menomonee Falls | Sounds Car Audio | W156 N8830 Pilgrim Road | 877-777-5020 |
| Waukesha | New Berlin | Paul Conway Shields | 14100 W. Cleveland Avenue | 800-332-6858 |
| Waukesha | Oconomowoc | National Interlock Service of WI | N56W39413 Highway 16 | 800-584-1226 |
| Waukesha | Pewaukee | National Interlock Service of WI | N47 W28229 Lynndale Road | 800-584-1226 |
| Waukesha | Waukesha | Project 2 Customs | 1416 Poplar Drive | 877-777-5020 |
| Waukesha | Waukesha | WI Ignition Interlock Device | 1630 Arcadian Avenue and 2808 Pewaukee Road | 877-777-5020 |
| Waukesha | Waukesha | WI Ignition Interlock Device | 414 W. Moreland Boulevard, Suite 102A | 800-332-6858 |
| Waukesha | Waukesha | Ziebart Waukesha | 2808 Pewaukee Road | 877-777-5020 |
| Waukesha | Waukesha | American TV | W229 N1400 Westwood Drive | 800-880-3394 |
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