Cornerstone Composites INC
900 E Vienna Ave, Milwaukee, WI 53212
Operating signal within 12 months from two or more independent sources.
What they make
All Other Plastics Product Manufacturing326199Cornerstone Composites manufactures custom-molded composite parts using precision molding and higher-strength formulations. The company provides secondary operations including CNC machining, heat treating, custom painting, and assembly services to deliver finished parts and assemblies. They serve original equipment manufacturers and operate a 2,600 square foot tool room equipped for tooling work, die and mold preparation, and production runs.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- AS9100
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 |
|---|---|---|---|---|
| Tulip Richardson Manufacturing | Milwaukee | All Other Plastics Product Manufacturing 326199 | LIKELY ACTIVE | 0.5 KM |
| Tulip Molded Plastics Corporation | Milwaukee | All Other Plastics Product Manufacturing 326199 | LIKELY ACTIVE | 0.5 KM |
| Xela Innovations LLC | Milwaukee | Pottery, Ceramics, and Plumbing Fixture Manufacturing 327110 | ACTIVE | 1.4 KM |
| Rock Tenn Converting Company | Milwaukee | Folding Paperboard Box Manufacturing 322212 | UNVERIFIED | 3.2 KM |
| Brady Worldwide - Florist Ave Plt | Glendale | Converted Paper Product Manufacturing 322200 | LIKELY ACTIVE | 5.6 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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | FEB 2026 | FEB 2026 |
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| SBA LOANS | EXISTENCE | SEP 2014 | SEP 2014 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | FEB 2026 |
| CAGE CODE | SAM GOV | FEB 2026 |
| CITY | SAM GOV | FEB 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | FEB 2026 |
| REGISTRATION EXPIRATION | SAM GOV | FEB 2026 |
| SBA LOAN | SBA LOANS | SEP 2014 |
| STATE | SAM GOV | FEB 2026 |
| WEBSITE | SAM GOV | FEB 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.