Sight Sciences

What they make

Products

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Bear Robotics, INC	Redwood City	All Other Miscellaneous General Purpose Machinery Manufacturing 333998	● ACTIVE	2.6 KM
Concepts & Methods Co., INC.	San Carlos	Industrial Process Furnace and Oven Manufacturing 333994	● ACTIVE	7.1 KM
Brechtel Manufacturing, INC	Hayward	Analytical Laboratory Instrument Manufacturing 334516	● ACTIVE	18.1 KM
Heco Pacific Manufacturing INC	Union City	Overhead Traveling Crane, Hoist, and Monorail System Manufacturing 333923	● ACTIVE	18.4 KM
LMLux Manufacturing INC	Sunnyvale	Machine Shops 332710	◐ LIKELY ACTIVE	18.9 KM

Every listed plant in San Mateo County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Where this record comes from

5 sources hold this plant, and 12 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.

EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen OCT 2026 · last seen OCT 2026
• FDA device establishment registrationsOPERATING
  first seen AUG 2026 · last seen OCT 2026
• EPA Facility Registry ServiceEXISTENCE
  Record 110072115776 · first seen JAN 2026 · last seen JAN 2026
• DOL Form 5500 retirement plan filingsOPERATING
  Records 800625749|CA|94025|4040 campbell ave, 800625749|CA|94025|4040 campbell ave ste 100 · first seen DEC 2024 · last seen DEC 2024
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record CA|menlo park|4040 campbell ave ste 100 · first seen MAY 2020 · last seen MAY 2020

IN SAN MATEO COUNTY39 other plants share this one’s industry (Other General Purpose Machinery Manufacturing, NAICS 3339); 1 of them has 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

EPA: SIGHT SCIENCES · OCT 2026

Street address

EPA: 4040 CAMPBELL AVE · OCT 2026

City

EPA: MENLO PARK · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06081 · OCT 2026

Coordinates

EPA: 37.480111,-122.180908 · OCT 2026

Employees (band)

DOL: 100-499 · DEC 2024

Website

CT SOTS: https://www.sightsciences.com/ · OCT 2026

Retirement plan filing (Form 5500)

DOL: 209 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

PPP loan

SBA PPP: PPP loan x1, approved 2020-05-01, 131 jobs reported · MAY 2020

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026

State business registrationSOURCES DISAGREE

AK Corporations: Sight Sciences, Inc., registered with the Alaska Division of Corporations, Business and Professional Licensing; Corporation formed in Delaware; registered 2020-11-23; active · NOV 2020

CO SOS: SIGHT SCIENCES, INC., registered with the Colorado Secretary of State; Corporation formed in Delaware; registered 2018-02-05; active, annual report filed 2026-02-27 · FEB 2026

CT SOTS: SIGHT SCIENCES, INC., registered with the Connecticut Secretary of the State; Corporation formed in Delaware; registered 2019-10-30; active, annual report filed 2026-04-13 · APR 2026

DC Corporations: SIGHT SCIENCES, Inc., registered with the District of Columbia Corporations Division; Corporation; registered 2021-01-25; active, annual report filed 2026-06-16 · JUN 2026

Sunbiz: SIGHT SCIENCES, INC., registered with the Florida Department of State, Division of Corporations; Corporation formed in Delaware; registered 2019-11-12; active, annual report filed 2026-04-20 · APR 2026

IA SOS: SIGHT SCIENCES, INC., registered with the Iowa Secretary of State; registered 2019-11-12; active · NOV 2019

MS SOS: Sight Sciences, Inc., registered with the Mississippi Secretary of State; Corporation; registered 2019-11-04; active · NOV 2019

NY DOS: SIGHT SCIENCES, INC., registered with the New York Department of State, Division of Corporations; Corporation formed in Delaware; registered 2020-01-02; active · JAN 2020

OR SOS: SIGHT SCIENCES, INC., registered with the Oregon Secretary of State, Corporation Division; Corporation formed in Delaware; registered 2019-05-06; active · MAY 2019

TX Comptroller: SIGHT SCIENCES, INC., registered with the Texas Comptroller of Public Accounts; Corporation; registered 2019-12-10; active · DEC 2019

VA SCC: Sight Sciences, Inc., registered with the Virginia State Corporation Commission; Corporation formed in Delaware; registered 2020-01-28; active · JAN 2020