Maynard Steel Casting CO
2856 S 27th St, Milwaukee, WI 53215
Operating signal within 12 months from two or more independent sources.
What they make
Ferrous Metal Foundries331510- low-carbon steel castings
- ranging
- ISO 9001
- Mining Equipment
- Construction
- Earth-Moving
- Defense
- Heavy Machinery
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 September 11, 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 |
|---|---|---|---|---|
| Ampco Metal Manufacturing INC | Milwaukee | Copper Rolling, Drawing, Extruding, and Alloying 331420 | UNVERIFIED | 2.4 KM |
| Vulcan Global Manufacturing Solutions INC | Milwaukee | Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, Extruding, and Alloying 331490 | LIKELY ACTIVE | 3.8 KM |
| Mid-City Foundry Co. - Milwaukee Division | Milwaukee | Ferrous Metal Foundries 331510 | LIKELY ACTIVE | 3.9 KM |
| Rexnord Industries LLC Gear Group | Milwaukee | Steel Foundries (except Investment) 331513 | LIKELY ACTIVE | 4.1 KM |
| Vilter Manufacturing Corporation - Milwaukee | Milwaukee | Iron Foundries 331511 | UNVERIFIED | 3.3 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
7 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.
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
- OSHA injury and illness reportsOPERATINGRecord 1497728 · first seen DEC 2025 · last seen DEC 2025
- SAM.gov entity registrationOPERATINGRecord LFHASLA5G2E5 · first seen NOV 2025 · last seen NOV 2025
- EPA Toxics Release InventoryOPERATINGfirst seen DEC 2024 · last seen DEC 2024
- DOL Form 5500 retirement plan filingsOPERATINGRecord 390458160|WI|53215|2856 s 27th st · first seen DEC 2024 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecords 110000418833, 110070736038 · first seen JUN 2017 · last seen MAY 2020
- SBA Paycheck Protection Program loan recordsEXISTENCERecord WI|milwaukee|2856 s 27th st · first seen APR 2020 · last seen APR 2020
ALSO RECORDED ASMAYNARD STEEL CASTING CO INC
IN MILWAUKEE COUNTY30 other plants share this one’s industry (Foundries, NAICS 3315); 12 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.
- NameSOURCES DISAGREE
- EPA: MAYNARD STEEL CASTING CO INC · JUL 2026
- SAM.gov: MAYNARD STEEL CASTING CO · NOV 2025 · ON THIS PAGE
- Street address
- EPA: 2856 S 27TH ST · JUL 2026 · ON THIS PAGE
- SAM.gov: 2856 S 27TH ST · NOV 2025 · ON THIS PAGE
- City
- EPA: MILWAUKEE · JUL 2026 · ON THIS PAGE
- SAM.gov: MILWAUKEE · NOV 2025 · ON THIS PAGE
- State
- EPA: WI · JUL 2026 · ON THIS PAGE
- SAM.gov: WI · NOV 2025 · ON THIS PAGE
- County (FIPS code)
- EPA: 55079 · SEP 2026
- Coordinates
- EPA: 42.99244,-87.94821 · JUL 2026
- Employees (band)
- OSHA: 100-499 · DEC 2025
- Website
- SAM.gov: https://maynardsteel.com · NOV 2025
- Year established
- Company website: 1907 · AUG 2026
- CAGE code
- SAM.gov: 25876 · NOV 2025
- Retirement plan filing (Form 5500)
- DOL: 231 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
- PPP loan
- SBA PPP: PPP loan x1, approved 2020-04-10, 152 jobs reported · APR 2020
- SAM registration expires
- SAM.gov: 2026-11-20 · NOV 2025


