Isthmus Engineering and Manufacturing
4035 Owl Creek Drive, Madison, WI 53718
Operating signal within 24 months, or from a single source.
What they make
All Other General Purpose Machinery Manufacturing333999Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Franklin Fueling Systems - Madison | Madison | Pump and Compressor Manufacturing 333911 | LIKELY ACTIVE | 0.5 KM |
| Weir Slurry Group, INC | Madison | Pump and Compressor Manufacturing 333910 | REPORTED CLOSED | 2.4 KM |
| Ideal Pase, A Massman Company | Madison | Packaging Machinery Manufacturing 333993 | LIKELY ACTIVE | 12.7 KM |
| Controlled Surface Finishing, Incorporated | Stoughton | Farm Machinery and Equipment Manufacturing 333111 | ACTIVE | 15.9 KM |
| Equipment Depot Wisconsin, Inc. - Sun Prairie | Sun Prairie | Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing 333924 | LIKELY ACTIVE | 19.7 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 4 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- OSHA injury and illness reportsOPERATINGRecord 921757 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 391422973|WI|53718|4035 owl creek dr · first seen DEC 2024 · last seen DEC 2024
IN DANE COUNTY11 other plants share this one’s industry (Other General Purpose Machinery Manufacturing, NAICS 3339); 6 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Coordinates
- Census geocoder: 43.040064615416,-89.289402179137 · JUL 2026
- Employees (band)
- OSHA: 20-99 · DEC 2025
- Retirement plan filing (Form 5500)
- DOL: 69 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- State business registrationSOURCES DISAGREE
- IA SOS: ISTHMUS ENGINEERING AND MANUFACTURING COOPERATIVE, registered with the Iowa Secretary of State; registered 2026-09-15; active · SEP 2026
- TX Comptroller: ISTHMUS ENGINEERING AND MANUFACTURING COOPERATIVE, registered with the Texas Comptroller of Public Accounts; registered 2021-01-12; active · JAN 2021