Federal agents raided a North Sioux City business and a Dakota Dunes residence Wednesday morning as part of a multi-agency investigation led by the U.S. Postal Inspection Service. The operation targeted Apex Waste Management LLC at 503 Prosperity Way and a home located at 661 Prairie Boulevard.
Federal Agencies Execute Simultaneous Raids
More than a dozen marked and unmarked law enforcement vehicles converged on the 503 Prosperity Way property around 10 a.m. Wednesday. The operation involved agents from the U.S. Postal Inspection Service based out of Minneapolis, alongside the FBI from the Omaha and Minneapolis offices, IRS Criminal Investigation, the Union County Sheriff’s Office, and the North Sioux City Police.
Investigators brought an industrial clipper, evidence bags, totes, and a U-Haul trailer into the building to collect materials. Authorities loaded boxes, papers, and a tote containing small packaged items into the U-Haul before clearing the scene shortly after 4 p.m. At the same time, five U.S. Postal Inspection Service agents executed a search at 661 Prairie Boulevard in Dakota Dunes, removing multiple bags and boxes from the home.
Corporate Filings Tie Multiple Businesses to Isaacson Name
Apex Waste Management LLC was registered in South Dakota on Dec. 4, 2025, according to records from the South Dakota Secretary of State. Riley Isaacson serves as president of Apex Waste Management and Apex Research. Union County property records show his twin brother, Ryan Isaacson, owns the Dakota Dunes home searched by federal agents.
State business filings link the Isaacson name to several other entities. Five additional companies list an address at 498 Prosperity Way, a non-operational building near the raided warehouse where construction remains underway:
- Apex HC, LLC, organized by Ryan Isaacson on Sept. 15, 2026
- ApexTH&I, LLC, organized by Ryan Isaacson on Sept. 9, 2026
- Apex Health Club Holdings, LLC, organized by Riley Isaacson and Jared Miller on Aug. 26, 2026
- ApexRx Holdings, LLC, organized by Ryan Isaacson on April 20, 2026
- Apex Health Club, LLC, organized by Riley Isaacson and Jared Miller on Aug. 25, 2026
Additional businesses associated with the 503 Prosperity Way property include Apex Outdoor Pros, Apex Rx, Apex Assure, Apex Cosmetics, Apex Peptides, and Apex Threadhaus and Ink, according to state filings involving Jared Miller and Riley Isaacson.
On-Site Activity and Public Response
Operations at the North Sioux City property appeared disrupted during the federal presence. One of the Isaacson twins arrived at the property Thursday morning carrying a suitcase and a duffel bag, declining to comment when asked why the properties were raided. Calls placed to phone numbers associated with the various Apex businesses went unanswered.
During Wednesday’s search, a customer arriving to pick up an order of sweatshirts was turned away by federal agents who stated they did not know a timeline. Authorities have not released specific details regarding what items were seized during the execution of the search warrants.
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