Operating signal within 12 months from two or more independent sources.
What they make
Iron Foundries331511- custom steel tubing
- centrifugal casting
- metallurgical testing
- heat treating
- CNC machining
- sizes
- ranging
- 000 pounds
- manufacturers
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Where these came from
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- ISO 9001
Read from this company’s own website on August 9, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Metaltek Intl - Wisconsin Investcast | Watertown | Ferrous Metal Foundries 331510 | LIKELY ACTIVE | 3.5 KM |
| Kirsh Foundry INC | Beaver Dam | Iron Foundries 331511 | LIKELY ACTIVE | 28.4 KM |
| Specialty Rolled Metals LLC Beaver Dam WI | Beaver Dam | Steel Foundries (except Investment) 331513 | LIKELY ACTIVE | 29.5 KM |
| Signicast LLC | Hartford | Steel Investment Foundries 331512 | ACTIVE | 27.9 KM |
| Defense Supply & Manufacturing, INC. | Fort Atkinson | All Other Miscellaneous Manufacturing 339999 | LIKELY ACTIVE | 35.2 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 sources hold this plant, and 12 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.
EPA cross-references this facility in BR, EIS, NPDES · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord UK2KDHJJHM13 · first seen SEP 2025 · last seen JUL 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 391246768|WI|53098|w6499 rhine rd · first seen SEP 2025 · last seen SEP 2025
- EPA Toxics Release InventoryOPERATINGfirst seen DEC 2024 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecord 110070754649 · first seen JUN 2016 · last seen MAY 2020
IN DODGE COUNTY3 other plants share this one’s industry (Foundries, NAICS 3315); 3 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.
- Name
- EPA: SPUNCAST INC · JUL 2026 · ON THIS PAGE
- SAM.gov: SPUNCAST INC · JUL 2026 · ON THIS PAGE
- Street address
- EPA: W6499 RHINE RD · JUL 2026 · ON THIS PAGE
- SAM.gov: W6499 RHINE RD · JUL 2026 · ON THIS PAGE
- City
- EPA: WATERTOWN · JUL 2026 · ON THIS PAGE
- SAM.gov: WATERTOWN · JUL 2026 · ON THIS PAGE
- State
- EPA: WI · JUL 2026 · ON THIS PAGE
- SAM.gov: WI · JUL 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 55027 · SEP 2026
- Coordinates
- EPA: 43.214917,-88.717528 · JUL 2026
- Employees (band)
- DOL: 100-499 · SEP 2025
- Website
- SAM.gov: https://spuncast.com · JUL 2026
- Year established
- Company website: 1976 · AUG 2026
- CAGE code
- SAM.gov: 2J952 · JUL 2026
- Retirement plan filing (Form 5500)
- DOL: 110 active participants, plan year ending 2025-09-30, 2 plan(s) · SEP 2025
- SAM registration expires
- SAM.gov: 2027-07-13 · JUL 2026


