Lakeside Plastics, INC.
Doing business as Lakeside Plastics INC
At a glance
Employees100-499
In business sinceNot reported
HeadquartersOshkosh, WI
US patents2
SAM.gov UEIN9F4R5U9U1B5
CAGE code3RCJ3
Incorporated inWI
- traffic safety
- screen printing
- compounding
- formulating
- plastisols
- barrels
- drums
- cones
- channelizers
- panels
- ISO 9001
Named on the company’s own website, read JUL 29, 2026
What they make
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Certifications
ISO 9001
Patents
2 US patents granted 2018–2020, none of them in the five years to SEP 2025.
Civil engineering 2
- Warning deviceUS 10,619,790 · granted APR 14, 2020
- Warning deviceUS 9,863,578 · granted JAN 9, 2018
Granted to Lakeside Plastics, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Lakeside Plastics, INC. | Oshkosh | WI | 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.