Sentinel Management INC
3000 Leavitt Rd Unit 1, Lorain, OH 44052
Operating signal within 12 months from two or more independent sources.
What they make
Machine Shops332710Semco Carbon Graphite Machined to are machining graphite and offering recycling services. They areSystem message: You are cataloguing a manufacturing company from its own homepage text. Write 2-3 plain sentences stating ONLY what the text supports: - what the company makes or does - the processes, materials or equipment named - the industries it serves - any certifications, but only where the text itself names one Rules: WhatSemco
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Duray Machine Company, INC. | Lorain | Machine Shops 332710 | UNVERIFIED | 4.8 KM |
| Nelson Stud Welding, INC. | Elyria | Bolt, Nut, Screw, Rivet, and Washer Manufacturing 332722 | ACTIVE | 7.7 KM |
| SEF - Nelson Stud Welding - Liberty | Elyria | Bolt, Nut, Screw, Rivet, and Washer Manufacturing 332722 | LIKELY ACTIVE | 7.3 KM |
| K & L Sales LLC | Vermilion | Precision Turned Product Manufacturing 332721 | UNVERIFIED | 7.2 KM |
| Duffin Mfg CO | Elyria | Machine Shops 332710 | UNVERIFIED | 9.1 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 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.
EPA cross-references this facility in OSHA-OIS.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | SEP 2018 | SEP 2018 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | DEC 2025 |
| CAGE CODE | SAM GOV | DEC 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | DEC 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | DEC 2025 |
| REGISTRATION EXPIRATION | SAM GOV | DEC 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | DEC 2025 |
| WEBSITE | SAM GOV | DEC 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.