Mks INC.
At a glance
Employees500+
In business sinceNot reported
HeadquartersAndover, MA
US patents4
SAM.gov UEID3QUT46GEX16
CAGE code23582
Incorporated inMA
Subsidiaries1 company
LEI549300KEQATBHAGVF505
Brands
MKS Team photo
MKS India spotlight photo
Semiconductor graphic
Packaging graphic
Specialty industrial graphicThis company sells these brands.
- instruments
- subsystems
- process control solutions
- precision motion control
- optical tables
- lasers
- surface modification
- semiconductor manufacturing
- electronics
- packaging
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
4 US patents granted 2010–2025, 3 of them in the five years to SEP 2025.
Electrical machinery, apparatus, energy 1Measurement 1Machine tools 1Computer technology 1
- GaN clamp with uniform pressureUS 12,397,362 · granted AUG 26, 2025
- Methods and apparatus for reporting inlet pressure in mass flow controllersUS 12,393,209 · granted AUG 19, 2025
- Adaptive pulse shaping with post match sensorUS 12,362,146 · granted JUL 15, 2025
- Version control system for software developmentUS 7,680,932 · granted MAR 16, 2010
Granted to MKS Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Mks INC. | Andover | MA | 500+ | 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.