SemaSys Houston
4480 Blalock Road, Houston, TX 77041
Operating signal within 24 months, or from a single source.
What they make
All Other Industrial Machinery Manufacturing333248Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Nemaco Technology LLC | Houston | All Other Miscellaneous Fabricated Metal Product Manufacturing 332999 | ACTIVE | 2.2 KM |
| Upg Company, LLC | Houston | All Other Plastics Product Manufacturing 326199 | LIKELY ACTIVE | 3.1 KM |
| Cordyne INC | Houston | Power, Distribution, and Specialty Transformer Manufacturing 335311 | ACTIVE | 3.4 KM |
| Dimensional Machine Works LLC | Houston | All Other Miscellaneous Fabricated Metal Product Manufacturing 332999 | UNVERIFIED | 3.9 KM |
| Arc Specialties, INC. | Houston | All Other Industrial Machinery Manufacturing 333248 | ACTIVE | 5.2 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
1 source holds this plant, and 2 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.
- OSHA injury and illness reportsOPERATINGRecord 1250601 · first seen DEC 2025 · last seen DEC 2025
IN HARRIS COUNTY25 other plants share this one’s industry (Industrial Machinery Manufacturing, NAICS 3332); 11 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.
- Coordinates
- Census geocoder: 29.835928145543,-95.523923278854 · JUL 2026
- Employees (band)
- OSHA: 20-99 · DEC 2025