Kooima CO

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
SFSiouxland Fabricating INC.	Rock Valley	Fabricated Structural Metal Manufacturing 332312	◐ LIKELY ACTIVE	3.9 KM
Siebring Manufacturing, INC	George	Sheet Metal Work Manufacturing 332322	● ACTIVE	26.6 KM
HMHawarden Machine INC	Hawarden	Iron and Steel Pipe and Tube Manufacturing from Purchased Steel 331210	◐ LIKELY ACTIVE	29.1 KM
Adams Thermal Systems INC	Canton	Plate Work Manufacturing 332313	● ACTIVE	31.3 KM

Every listed plant in Sioux County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 9 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.

EPA cross-references this facility in AIR, AIRS/AFS, IDNR_EFD · EPA site type STATIONARY.

• OSHA injury and illness reportsOPERATING
  Record 1270351 · first seen DEC 2025 · last seen DEC 2025
• DOL Form 5500 retirement plan filingsOPERATING
  Record 843367778|IA|51247|2638 310th st · first seen DEC 2024 · last seen DEC 2024
• EPA Facility Registry ServiceEXISTENCE
  Record 110012151571 · first seen JUN 2015 · last seen JUN 2015
• EPA ECHO compliance recordsOPERATING
  first seen AUG 2011 · last seen AUG 2011

IN SIOUX COUNTY1 other plant shares this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 1 of them has 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.

Name

EPA: KOOIMA CO · OCT 2026

Street address

EPA: 2638 310TH STREET · OCT 2026

City

EPA: ROCK VALLEY · OCT 2026

State

EPA: IA · OCT 2026

County (FIPS code)

EPA: 19167 · OCT 2026

Coordinates

EPA: 43.20029,-96.2667 · OCT 2026

Employees (band)

OSHA: 100-499 · DEC 2025

Retirement plan filing (Form 5500)

DOL: 162 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

State business registration

IA SOS: KOOIMA COMPANY, LLC, registered with the Iowa Secretary of State; Limited liability company; registered 2019-12-16; active · DEC 2019