Mpack Winthrop Corporation
11630 S. Mayfield Ave, Alsip, IL 60803
UNVERIFIEDLAST SEEN IN FEDERAL DATA — · 1 SOURCE
Present in a source dataset, with no recent operating signal.
What they make
All Other Miscellaneous Fabricated Metal Product Manufacturing332999Where it is
41.68102, -87.76627 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Versatility Tool Works and Manufacturing Company, INC. | Alsip | Other Metal Container Manufacturing 332439 | LIKELY ACTIVE | 0.2 KM |
| Best Brake Die, INC. | Crestwood | Industrial Valve Manufacturing 332911 | UNVERIFIED | 4.7 KM |
| Meyer Tool & Manufacturing, INC. | Oak Lawn | Machine Shops 332710 | ACTIVE | 5.2 KM |
| Chicago Metallic Corp-interfinish Plant | Bridgeview | Soap and Other Detergent Manufacturing 325611 | UNVERIFIED | 4.8 KM |
| Navistar Global, LLC | Oak Lawn | Oil and Gas Field Machinery and Equipment Manufacturing 333132 | ACTIVE | 5.5 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 2 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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| SBA LOANS | EXISTENCE | AUG 2025 | AUG 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| GEOM | CENSUS GEOCODER | AUG 2026 |
| SBA LOAN | SBA LOANS | AUG 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.