Rheosense, INC.

What they make

• viscometers
• m-VROC II
• food
• beverage
• gene therapy
• electrospinning
• chemicals

NAMED ON THE COMPANY’S OWN WEBSITE, READ SEP 9, 2026

Open positions

Openings read from Rheosense, INC.’s own job board on Rippling, last checked OCT 24, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

• Test & Development Engineer
  San Ramon, CA · Engineering
• Mechanical Design Engineer (Mid-Senior Level)
  San Ramon, CA · Engineering
• Software Engineer
  San Ramon, CA · Engineering
• Manufacturing Technician
  San Ramon, CA · Production & Manufacturing
• Vice-President of Sales
  San Ramon, CA · Sales

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
RIRheosense INC	San Ramon	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	◇ UNVERIFIED	0.6 KM
HSHF San Ramon CA	San Ramon	Electromedical and Electrotherapeutic Apparatus Manufacturing 334510	◐ LIKELY ACTIVE	0.9 KM
Gemini Consultants INC	San Ramon	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	● ACTIVE	1.0 KM
AOAerotest Operations, INC.	San Ramon	Power Boiler and Heat Exchanger Manufacturing 332410	◐ LIKELY ACTIVE	1.5 KM
Alpha Guardian Networks, LLC	San Ramon	Other Communications Equipment Manufacturing 334290	● ACTIVE	2.7 KM

Every listed plant in Contra Costa County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

• The company’s own websiteOPERATING
  first seen SEP 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record JXGJZJ6E9EK6 · first seen MAY 2026 · last seen MAY 2026
• DOL Form 5500 retirement plan filingsOPERATING
  Record 412021010|CA|94583|12667 alcosta blvd · first seen DEC 2024 · last seen DEC 2024

IN CONTRA COSTA COUNTY43 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 10 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

SAM.gov: RHEOSENSE, INC. · MAY 2026

Street address

SAM.gov: 12667 ALCOSTA BLVD · MAY 2026

City

SAM.gov: SAN RAMON · MAY 2026

State

SAM.gov: CA · MAY 2026

Coordinates

Census geocoder: 37.772159921733,-121.957837395226 · SEP 2026

Employees (band)

DOL: 20-99 · DEC 2024

Website

SAM.gov: http://www.rheosense.com · MAY 2026

CAGE code

SAM.gov: 4MQ42 · MAY 2026

Retirement plan filing (Form 5500)

DOL: 28 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

SAM registration expires

SAM.gov: 2027-05-03 · MAY 2026