Eureka at a glance
live counts221
companies on file
1987–2026
registration years charted
2025
busiest year · 18 registrations
5101520
19871997200720162026
| Item | companies |
|---|---|
| 1987 | 0 |
| 1988 | 2 |
| 1989 | 0 |
| 1990 | 0 |
| 1991 | 1 |
| 1992 | 0 |
| 1993 | 1 |
| 1994 | 0 |
| 1995 | 0 |
| 1996 | 0 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 0 |
| 2000 | 4 |
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 5 |
| 2006 | 3 |
| 2007 | 4 |
| 2008 | 4 |
| 2009 | 1 |
| 2010 | 8 |
| 2011 | 8 |
| 2012 | 9 |
| 2013 | 3 |
| 2014 | 2 |
| 2015 | 3 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 4 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 14 |
| 2023 | 11 |
| 2024 | 14 |
| 2025 | 18 |
| 2026 | 10 |
Registrations before 1987 (30 companies) are left off the year chart. Filings without a registration date are counted in the total but not on the chart.
Companies 1–50 of 221
A–Z by legal name| Company | Business category | Registry number | Registered | Status | City |
|---|---|---|---|---|---|
| 4J's LLC | — | DL237870 | 2022-11-02 | Active | Eureka |
| ACIG, LLC | — | DL143649 | 2018-02-07 | Active | EUREKA |
| ADAMSOFT, INC. | — | DB046323 | 2003-01-06 | Dissolved | EUREKA |
| AJAXS Welding and Repair LLC | — | DL278693 | 2024-07-12 | Active | eureka |
| ALASKA EASTERN PARTNERS, A LIMITED PARTNERSHIP | — | FP000593 | 2005-04-26 | Active | EUREKA |
| ALASKA SEABOARD PARTNERS LIMITED PARTNERSHIP | — | FP000595 | 2005-04-29 | Active | EUREKA |
| ARC INFINITE CAPITAL, LLC | — | FL330161 | 2026-06-01 | Active | EUREKA |
| Adventure Starved, LLC. | — | DL251328 | 2023-05-22 | Active | Eureka |
| Aman Electric, LLC | — | DL180055 | 2020-04-17 | Active | Eureka |
| Apropos Books International, LLC | — | DL295609 | 2025-03-16 | Dissolved | Eureka |
| BENTFEATHER PROPERTIES LLC | — | DL276283 | 2024-06-17 | Active | EUREKA |
| BENTZ CONSTRUCTION LLC | — | DL048837 | 2016-06-09 | Dissolved | EUREKA |
| BOS Bait Tackle & Gun LLC | — | DL167286 | 2019-07-13 | Dissolved | Eureka |
| BREAKING WINDS LLC | — | DL331546 | 2026-06-18 | Active | Eureka |
| BTO FARMS, INC. | — | DF053130 | 2008-01-02 | Active | EUREKA |
| Badland Arms, LLC | — | DL134784 | 2017-07-05 | Dissolved | Eureka |
| Bauer Stony Hills, LLC | — | DL211828 | 2021-10-07 | Active | EUREKA |
| Bauer, LLC | — | DL317023 | 2026-01-02 | Active | Eureka |
| Bertsch Entities, Inc. | — | DB178316 | 2020-03-05 | Active | EUREKA |
| Bird Dog Lodge, LLC | — | DL141846 | 2018-01-01 | Active | Eureka |
| Blue Chip Builders L.L.C | — | DL218957 | 2022-01-20 | Dissolved | Eureka |
| Brown Brick, LLC | — | DL205253 | 2021-06-23 | Dissolved | Eureka |
| C & C Homecare LLC | — | DL261137 | 2023-10-20 | Active | Eureka |
| C&J Investments LLC | — | DL315420 | 2025-12-10 | Active | Eureka |
| CAMPBELL COUNTY FARM BUREAU | — | NS003084 | 1919-05-16 | Dissolved | Eureka |
| CAMPBELL HANDYMAN AND SECURITY, LLC | — | DL297365 | 2025-04-07 | Inactive | EUREKA |
| CHASE FARMS, LLC | — | DL290678 | 2025-01-09 | Active | Eureka |
| CHURCH OF GOD (SEVENTH DAY) OF EUREKA, SOUTH DAKOTA INC. | — | CH003121 | 1982-11-09 | Dissolved | EUREKA |
| CITY OF EUREKA HOUSING AND REDEVELOPMENT COMMISSION | — | DM009733 | 2010-01-19 | Active | EUREKA |
| CITY OF EUREKA, SOUTH DAKOTA | — | CI000238 | 2012-12-11 | Active | EUREKA |
| CONWAY QUARTER HORSES, LLC | — | DL024384 | 2011-04-12 | Active | EUREKA |
| CORNERSTONE CAFE AND CONVENIENCE, INC. | — | DB057812 | 2013-05-28 | Dissolved | EUREKA |
| Country Rust Designs LLC | — | DL199682 | 2021-03-29 | Suspended | Eureka |
| CyberWorx & RecycleWorx, LLC | — | DL154220 | 2018-09-24 | Dissolved | Eureka |
| DAKOTA COUNTRY STORE, INC. | — | DB052312 | 2007-04-30 | Active | EUREKA |
| DAKOTA RURAL HEALTH CONSORTIUM | — | NS009304 | 1991-01-09 | Dissolved | EUREKA |
| DAKOTA WOODWORKING, INC. | — | DB027371 | 1988-05-17 | Active | EUREKA |
| DC American Canteen, LLC | — | DL049664 | 2016-08-22 | Dissolved | EUREKA |
| DEL NORTE REFI, LLC | — | FL002364 | 2005-04-29 | Inactive | EUREKA |
| DOUBLE G INC. | — | DB043865 | 2001-03-05 | Active | EUREKA |
| DOUBLE H QUARTER HORSES LLC | — | DL170504 | 2019-09-20 | Active | EUREKA |
| DOUBLE J LAWN CARE LLC | — | DL329635 | 2026-05-26 | Active | EUREKA |
| DUTENHOFFER LAND LIMITED PARTNERSHIP | — | DP002102 | 2010-05-26 | Inactive | EUREKA |
| Dakota Caring Companions LLC | — | DL145113 | 2018-03-09 | Active | Eureka |
| Dakota Territory Sheriffs' Association | — | NS049875 | 2016-01-22 | Dissolved | Eureka |
| Datanoi Inc. | — | FB302142 | 2025-06-10 | Active | Eureka |
| Diva Ventures LP | — | DP325714 | 2026-04-10 | Active | EUREKA |
| Dogo Ventures LLC | — | DL271855 | 2024-03-29 | Active | Eureka |
| Dosch Insurance LLC | — | DL279051 | 2024-07-17 | Dissolved | Eureka |
| EUREKA AREA COMMUNITY FOUNDATION, INC. | — | NS013034 | 2006-01-27 | Active | EUREKA |
Eureka registrations by year
54 yearsOther cities in South Dakota
60 largestSioux Falls43,714Rapid City21,318Watertown10,403Aberdeen5,331Spearfish5,104Pierre4,276Brookings3,613Yankton2,896Mitchell2,823Box Elder2,282Sturgis2,169Madison2,153Brandon2,085New York2,044Belle Fourche1,761Harrisburg1,684Wilmington1,667Tea1,666Huron1,608Custer1,505Houston1,487Omaha1,336Vermillion1,289Chicago1,217Hot Springs1,210Minneapolis1,192Dakota Dunes1,188Hartford1,137Dallas1,105Atlanta886Piedmont863Canton855Fargo851Black Hawk848Denver834North Sioux City833Milbank829Lead804Sioux City775Deadwood773Dell Rapids771Hill City749Beresford669Winner616Chamberlain615Hermosa611San Francisco599Las Vegas578Webster573Mobridge560Lennox553Arlington541Platte534Sisseton526Fort Pierre517Austin513San Diego511Whitewood510Phoenix506Garretson467