Marking Services INC
At a glance
Employees100-499
In business sinceNot reported
HeadquartersMilwaukee, WI
US patents4
SAM.gov UEIDVNLDNRNFJY1
CAGE code3ULM7
Incorporated inWI
Brands
Service Brochure Header
Electrical Products
Boston Children's Hospital
PCI Skanska
MSI ID Products
MSI Resources PDF ThumbnailsThis company sells these brands.
- duct markers
- signs
- coiled pipe markers
- self-adhesive pipe markers
- carrier pipe markers
- fire protection
- labeling products
Named on the company’s own website, read JUL 29, 2026
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
Patents
4 US patents granted 2017–2024, 2 of them in the five years to SEP 2025.
Handling 1Digital communication 1Computer technology 1IT methods for management 1
- Industrial commissioning procedures including loop checkingUS 11,966,211 · granted APR 23, 2024
- Smart sign for use in an industrial locationUS 10,860,825 · granted DEC 8, 2020
- Fastening systemUS 10,259,627 · granted APR 16, 2019
- Interactive industrial maintenance, testing, and operation proceduresUS 9,613,233 · granted APR 4, 2017
Granted to Marking Services Incorporated · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
2 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Marking Services INC | Milwaukee | WI | 100–499 | ACTIVE |
| Marking Services Installation, Inc. | Milwaukee | WI | 1–19 | LIKELY 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.