Rock Industries, INC.
880 10th St, Rock Valley, IA 51247
ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 3 SOURCES
Operating signal within 12 months from two or more independent sources.
What they make
Machine Shops332710Rock Industries, Inc. is located in Rock Valley, Iowa and provides machining services and heat treating.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
43.19995, -96.30611 · CENSUS TIGER
COUNTY
ON GOOGLE MAPS
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Siouxland Machine, Inc | Rock Valley | Machine Shops 332710 | LIKELY ACTIVE | 0.8 KM |
| Midwest Pro Manufacturing INC. | Rock Valley | Machine Shops 332710 | UNVERIFIED | 1.1 KM |
| Total Component Solutions | Rock Valley | Precision Turned Product Manufacturing 332721 | UNVERIFIED | 1.6 KM |
| Valley Machining CO | Rock Valley | Machine Shops 332710 | ACTIVE | 1.9 KM |
| Kooima CO | Rock Valley | Fabricated Structural Metal Manufacturing 332312 | LIKELY ACTIVE | 3.2 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 7 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, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | OCT 2025 | OCT 2025 |
| EPA FRS | EXISTENCE | JUN 2015 | JUN 2015 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | OCT 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | OCT 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | OCT 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | OCT 2025 |
| WEBSITE | COMPANY SITE | JUL 2026 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


