George Koch Sons LLC
Doing business as George Koch Sons, LLC
At a glance
EmployeesNot reported
In business sinceNot reported
Industry
HeadquartersEvansville, IN
US patents38
SAM.gov UEIYNEZW287K3F3
CAGE code34123
Incorporated inIN
LEI549300EL3OBC4I1S7F47
- anodizing
- electrocoating
- liquid coating
- plating
- powder coating
- controls
- dryers
- material handling equipment
- processing barrels
- thermal solutions
- system audits
Named on the company’s own website, read JUL 29, 2026
Open positions
Openings read from George Koch Sons LLC’s own job board on Dayforce, last checked OCT 30, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.
- Entry Level Mig Welder - 2nd ShiftAmerican Products, 597 Evergreen Road, Strafford, Missouri, United States of America · posted OCT 29, 2026
- MIG Welder Class B - 2nd ShiftAmerican Products, 597 Evergreen Road, Strafford, Missouri, United States of America · posted OCT 29, 2026
- Mod Assembly Production Supervisor - 2nd ShiftAmerican Products, 597 Evergreen Road, Strafford, Missouri, United States of America · posted OCT 28, 2026
- Shelter Assembly Production Supervisor - 2nd ShiftAmerican Products, 597 Evergreen Road, Strafford, Missouri, United States of America · posted OCT 28, 2026
- DriverKoch Air - Indianapolis, 5620 Dividend Road, Indianapolis, Indiana, United States of America · posted OCT 27, 2026
- Panel AssemblyGeorge Koch Sons LLC · 10 S 11th Ave, Evansville, IN 47712, USA · posted OCT 27, 2026
- Material HandlerKoch Air - Ft. Wayne, 5002 Speedway Dr, Fort Wayne, Indiana, United States of America · posted OCT 23, 2026
- Automation SpecialistSimmtech Process Solutions, 6750 Langstaff Rd Unit 3, Vaughan, Ontario, Canada · posted OCT 23, 2026
- Process EngineerSimmtech Process Solutions, 6750 Langstaff Rd Unit 3, Vaughan, Ontario, Canada · posted OCT 23, 2026
- Operations Manager5041 68th St SE, Caledonia, MI 49316, USA · posted OCT 22, 2026
78 more on the company’s board
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
38 US patents granted 1976–2011, none of them in the five years to SEP 2025, including 2 design patents.
Chemical engineering 17Surface technology, coating 6Handling 3Machine tools 3Transport 3
- Parts immersion apparatus and methodUS 7,946,302 · granted MAY 24, 2011
- Apparatus and systems for coating objectsUS 7,455,732 · granted NOV 25, 2008
- Coating and curing systemUS 6,699,329 · granted MAR 2, 2004
- Conveyor line process control system and methodUS 6,675,066 · granted JAN 6, 2004
- Powder coating painting apparatus with universal modular line controlUS 6,120,604 · granted SEP 19, 2000
Newest 5 shown · Granted to George Koch Sons LLC · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| George Koch Sons LLC | Evansville | IN | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.