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 Foundries331510Maynard Steel Casting Company produces low-carbon steel castings weighing from 1,000 to 35,000 pounds. The company operates a foundry with in-house capabilities including engineering, SOLIDWORKS design, metallurgical analysis, Magmasoft solidification modeling, heat treating, finishing, and non-destructive testing methods such as Magnaflux, Ultrasound, Dye-Penetrant, and X-Ray. It serves the Mining Equipment, Construction, Earth-Moving, Defense (ITAR), Heavy Machinery, Energy, and Offshore Drilling industries, and holds ISO 9001:2015 certification.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
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 | UNVERIFIED | 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 |
| Aelco Foundries INC | Milwaukee | Steel Investment Foundries 331512 | UNVERIFIED | 3.3 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 4 FEDERAL SOURCES, 10 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in BR, EIS, NPDES · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| SAM GOV | OPERATING | NOV 2025 | NOV 2025 |
| EPA FRS | EXISTENCE | JUN 2017 | MAY 2020 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | NOV 2025 |
| CAGE CODE | SAM GOV | NOV 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | NOV 2025 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | NOV 2025 |
| REGISTRATION EXPIRATION | SAM GOV | NOV 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | NOV 2025 |
| WEBSITE | SAM GOV | NOV 2025 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.