# A-1 Preferred Air Duct Cleaning LLC — South Dakota registration

Public registration information for South Dakota. One of 2 registrations on this business profile.

- Legal business name: A-1 Preferred Air Duct Cleaning LLC
- Filing number: DL328374
- Entity type: LLC
- Registration type: Domestic
- Status: Active
- Jurisdiction: [South Dakota](https://index.baselayer.com/sd)
- Incorporation date: May 11, 2026
- Address on this registration: 370 W Anchor Dr, North Sioux City, SD 57049 (the address on the filing, not a headquarters)

Business profile: [A-1 Preferred Air Duct Cleaning LLC](https://index.baselayer.com/business/c450474ce870f92a)

Source: public registration records for South Dakota. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/sd/c450474ce870f92a)