Seiler Instrument & Mfg. Co., Inc.
3433 Tree Court Industrial Blvd, St. Louis, MO 63122
LIKELY ACTIVE1 SOURCELAST SIGNAL DEC 2025
Operating signal within 24 months, or from a single source.
Location
ADDRESS
3433 Tree Court Industrial Blvd
St. Louis, MO 63122
St. Louis, MO 63122
COORDINATES
Location not verified — this address could not be matched to Census TIGER, so the facility is not placed on the map.
Industry
PRIMARY NAICS
EMPLOYMENT
100-499 employees
Sources
| SOURCE | EVIDENCE | FIRST SEEN | LAST SEEN |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.