Ozinga On-site INC

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Their homepage, crawled AUG 1, 2026

At a glance

Employees100-499

In business sinceNot reported

Industry

Ready-Mix Concrete Manufacturing

HeadquartersMokena, IL

SAM.gov UEIJJNFXQMFMG33

CAGE code8NA81

Incorporated inIL

• cement
• concrete blocks
• tiles
• additives
• concrete crushing
• residential construction
• landscape construction
• logistics

Open positions

Openings read from Ozinga On-site INC’s own job board on iCIMS, last checked OCT 26, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

• Inside Sales Representative
  Ozinga On-site INC · Mokena, Illinois · Inside Sales · posted OCT 22, 2026
• CDL Ready Mix Driver
  Miami Gardens, Florida · CDL Driver · posted OCT 22, 2026
• Shift Supervisor - East Chicago
  East Chicago, Indiana · Administrative · posted OCT 21, 2026
• Senior Financial Reporting Analyst
  Ozinga On-site INC · Mokena, Illinois · Finance · posted OCT 19, 2026
• Sales Representative
  Chicago, Illinois · Sales · posted OCT 16, 2026
• DOT Supervisor & Internal Collector
  Ozinga On-site INC · Mokena, Illinois · Safety · posted OCT 14, 2026
• Cement Materials Technician
  Chesterton, Indiana · Research & Development · posted OCT 13, 2026
• CDL Ready Mix Driver
  Palm City, Florida · CDL Driver · posted OCT 9, 2026
• Bilingual Dispatch & Customer Service Representative
  Chicago, Illinois · Dispatch · posted OCT 8, 2026
• CDL Ready Mix Driver
  Goshen, Indiana · CDL Driver · posted OCT 2, 2026

43 more on the company’s board

Supplier designations

Self-certified by the company in its SAM.gov registration

Facility	City	State	Employees	Status
Ozinga On-site INC	Mokena	IL	100–499	● 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.