Operating signal within 12 months from two or more independent sources.
What they make
All Other Industrial Machinery Manufacturing333248- tube forming machines
- orbital flaring machines
- custom machines
- tube fabrication
- contract machining
- heat treat
- engineering
- ISO 9001
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
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 |
|---|---|---|---|---|
| Neenah Converting Center | Neenah | Sawmill, Woodworking, and Paper Machinery Manufacturing 333243 | LIKELY ACTIVE | 21.4 KM |
| Pack Air Assembly INC | Neenah | All Other Miscellaneous Fabricated Metal Product Manufacturing 332999 | LIKELY ACTIVE | 21.0 KM |
| Voith Paper Fabric & Roll Systems INC | Neenah | Plastics and Rubber Products Manufacturing 326000 | UNVERIFIED | 20.9 KM |
| Valmet Inc- Neenah | Neenah | Other Rubber Product Manufacturing 326290 | LIKELY ACTIVE | 21.7 KM |
| Stowe Woodward Company | Neenah | Other Rubber Product Manufacturing 326290 | UNVERIFIED | 22.5 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 sources hold this plant, and 13 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.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord NKKPZTUBW8W4 · first seen FEB 2026 · last seen OCT 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 391868411|WI|54986|10 tower rd · first seen DEC 2024 · last seen DEC 2024
- SBA Paycheck Protection Program loan recordsEXISTENCERecord WI|winneconne|10 tower rd · first seen APR 2020 · last seen APR 2020
- SBA 7(a) and 504 loan recordsEXISTENCEfirst seen APR 2013 · last seen JAN 2015
IN WINNEBAGO COUNTY3 other plants share this one’s industry (Industrial Machinery Manufacturing, NAICS 3332); 2 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
- SAM.gov: PROTO-1 MANUFACTURING, L.L.C.
- Street address
- SAM.gov: 10 TOWER RD
- City
- SAM.gov: WINNECONNE
- State
- SAM.gov: WI
- Coordinates
- Census geocoder: 44.105570516817,-88.725062494456 · JUL 2026
- Employees (band)
- DOL: 20-99 · DEC 2024
- Website
- SAM.gov: http://www.proto1mfg.com/
- Year established
- Company website: 1997 · AUG 2026
- CAGE code
- SAM.gov: 5WAE7
- Retirement plan filing (Form 5500)
- DOL: 39 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- PPP loan
- SBA PPP: PPP loan x1, approved 2020-04-05, 70 jobs reported · APR 2020
- SAM registration expires
- SAM.gov: 2027-02-18
- SBA loans
- SBA: 504/7a loan x2, jobs 47.0 · APR 2013


