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Nalco Company LLC

1601 W Diehl Rd, Naperville, IL 60563

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Nalco Company LLC
Their homepage, crawled JUL 2026

What they make

All Other Miscellaneous Chemical Product and Preparation Manufacturing325998
  • infection prevention solutions
  • chips
  • people health
  • planet health

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Products

Sold by NALCO COMPANY LLC · 9
Chemical And Pharmaceutical Products Manufacturing Machinery · Chemicals · Compressors And Vacuum Pumps · Industrial Boilers · Miscellaneous Chemical Specialties · Sewage Treatment Equipment · Textile Fabrics · Water Distillation Equipment, Marine And Industrial · Water Purification Equipment

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from
9 from usaspending_psc · Federal registry
Supplied under federal award 15B10622FPR000217 (2022-01-13), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Open positions

Openings read from Nalco Company LLC’s own job board on Phenom, last checked OCT 21, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

OTHER OPENINGS AT NALCO COMPANY LLC, NOT MATCHED TO THIS PLANT

1,044 more on the company’s board

Where it is

41.80100, -88.19715 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Accel Color INCNapervilleCustom Compounding of Purchased Resins
325991
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Ecli Products LLCAuroraAll Other Miscellaneous Chemical Product and Preparation Manufacturing
325998
 ACTIVE4.4 KM
Spectrum Technologies INCAuroraInstruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334513
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Clariant CorporationWest ChicagoCustom Compounding of Purchased Resins
325991
 LIKELY ACTIVE8.5 KM
Clariant Plastics & Coatings USA LLCWest ChicagoManufactured Home (Mobile Home) Manufacturing
321991
 UNVERIFIED8.6 KM

Every listed plant in DuPage 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.

EPA cross-references this facility in ACES, AIR, AIRS/AFS, BR, EGRID, EIA-860, EIS, ICIS, NCDB, NPDES, TRIS, TSCA · EPA site type STATIONARY.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • EPA Facility Registry ServiceEXISTENCE
    Record 110011268984 · first seen JUN 2026 · last seen JUN 2026
  • SAM.gov entity registrationOPERATING
    Record M4BHFR4QMUL5 · first seen JUN 2026 · last seen JUN 2026

ALSO RECORDED ASNALCO CO; NALCO CO LLC

IN DUPAGE COUNTY43 other plants share this one’s industry (Other Chemical Product and Preparation Manufacturing, NAICS 3259); 13 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.

NameSOURCES DISAGREE
EPA: NALCO CO · JUL 2026
SAM.gov: NALCO COMPANY LLC · JUN 2026 · ON THIS PAGE
Street address
EPA: 1601 W DIEHL RD · JUL 2026 · ON THIS PAGE
SAM.gov: 1601 W DIEHL RD · JUN 2026 · ON THIS PAGE
City
EPA: NAPERVILLE · JUL 2026 · ON THIS PAGE
SAM.gov: NAPERVILLE · JUN 2026 · ON THIS PAGE
State
EPA: IL · JUL 2026 · ON THIS PAGE
SAM.gov: IL · JUN 2026 · ON THIS PAGE
County (FIPS code)
EPA: 17043 · SEP 2026
Coordinates
EPA: 41.800997,-88.19715 · JUL 2026
Website
SAM.gov: www.ecolab.com/nalco-water · JUN 2026
CAGE code
SAM.gov: 8NQ83 · JUN 2026
SAM registration expires
SAM.gov: 2027-06-09 · JUN 2026
State business registrationSOURCES DISAGREE
AK Corporations: NALCO COMPANY LLC, registered with the Alaska Division of Corporations, Business and Professional Licensing; Limited liability company formed in Delaware; registered 2020-01-15; active · JAN 2020
CO SOS: Nalco Company LLC, registered with the Colorado Secretary of State; Limited liability company formed in Delaware; registered 2020-01-14; active, annual report filed 2026-03-09 · MAR 2026
CT SOTS: NALCO COMPANY LLC, registered with the Connecticut Secretary of the State; Limited liability company formed in Delaware; registered 2020-01-15; active, annual report filed 2026-02-24 · FEB 2026
DC Corporations: Nalco Company LLC, registered with the District of Columbia Corporations Division; Limited liability company; registered 2019-11-07; active, annual report filed 2026-03-18 · MAR 2026
Sunbiz: NALCO COMPANY LLC, registered with the Florida Department of State, Division of Corporations; Limited liability company formed in Delaware; registered 2019-10-16; active, annual report filed 2026-04-27 · APR 2026
IA SOS: NALCO COMPANY LLC, registered with the Iowa Secretary of State; Limited liability company; registered 2020-01-15; active · JAN 2020
MS SOS: Nalco Company LLC, registered with the Mississippi Secretary of State; Limited liability company; registered 2020-01-15; active · JAN 2020
OR SOS: NALCO COMPANY LLC, registered with the Oregon Secretary of State, Corporation Division; Limited liability company formed in Delaware; registered 2020-01-07; active · JAN 2020
VA SCC: Nalco Company LLC, registered with the Virginia State Corporation Commission; Limited liability company formed in Delaware; registered 2020-01-16; active · JAN 2020

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