Operating signal within 12 months from two or more independent sources.
What they make
Railroad Rolling Stock Manufacturing336510Twinco manufactures electrical and electro-mechanical products. The company provides manufacturing and engineering support, and its production occurs at a 50,000 square foot facility in Hauppauge, whatTwinco facility is located in the Hauppauge Industrial Park, and the company produces products using tools and skills developed since 1965. It does the company serves the railroad and transit industry.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Kld Labs INC. | Hauppauge | Railroad Rolling Stock Manufacturing 336510 | ACTIVE | 1.3 KM |
| Meppi55 | Melville | Railroad Rolling Stock Manufacturing 336510 | LIKELY ACTIVE | 13.4 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 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 | SEP 2026 |
| SAM GOV | OPERATING | APR 2026 | APR 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | APR 2026 |
| CAGE CODE | SAM GOV | APR 2026 |
| CITY | SAM GOV | APR 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | APR 2026 |
| REGISTRATION EXPIRATION | SAM GOV | APR 2026 |
| STATE | SAM GOV | APR 2026 |
| WEBSITE | SAM GOV | APR 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.