Operating signal within 24 months, or from a single source.
What they make
Iron and Steel Mills and Ferroalloy Manufacturing331111Donohoo Steel provides commercial heat treating services and has been operating since 1946. The company processes parts ranging from small quantities to large production runs, completing 85 percent of orders within 48-72 hours. The company holds ISO 9001:2015 Certification.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- ISO 9001
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 |
|---|---|---|---|---|
| Bee Line CO | Bettendorf | Machine Shops 332710 | ACTIVE | 4.4 KM |
| Ipsco Steel-montpelier Wks Ilap | Muscatine | All Other Petroleum and Coal Products Manufacturing 324199 | LIKELY ACTIVE | 28.4 KM |
| Ssab Iowa INC | Muscatine | Iron and Steel Mills and Ferroalloy Manufacturing 331110 | ACTIVE | 28.4 KM |
| SSAB R & D of SSAB Iowa Inc. | Muscatine | Iron and Steel Mills and Ferroalloy Manufacturing 331110 | LIKELY ACTIVE | 28.4 KM |
| Cambridge Pattern Works | Cambridge | Iron and Steel Mills and Ferroalloy Manufacturing 331111 | UNVERIFIED | 34.7 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 AIR, AIRS/AFS, IDNR_EFD, NPDES, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | AUG 2025 | AUG 2025 |
| EPA FRS | EXISTENCE | JAN 2015 | JAN 2015 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | AUG 2025 |
| CAGE CODE | SAM GOV | AUG 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | AUG 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | AUG 2025 |
| REGISTRATION EXPIRATION | SAM GOV | AUG 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | AUG 2025 |
| WEBSITE | SAM GOV | AUG 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.