Lapmaster International LLC

501 W Algonquin Rd, Mount Prospect, IL 60056

ACTIVELAST SEEN IN FEDERAL DATA SEP 2026 · 3 SOURCES

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

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Their homepage, crawled JUL 2026

What they make

Machine Tool Manufacturing333517

lapping
polishing
buffing machines
wire saws
grinding products

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

Products

Sold by LAPMASTER INTERNATIONAL LLC · 4

Boring Machines · Grinding Machines · Lathes · Miscellaneous Machine Tools

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

4 from usaspending_psc · Federal registry

Supplied under federal award SPE4A823P0023 (2023-05-19), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

42.02992, -87.94307 · CENSUS TIGER

COUNTY

Cook County

METRO AREA

Chicago-Naperville-Elgin, IL-IN

ON GOOGLE MAPS

Open this address

STREET VIEW

Open street-level view — OCT 2018

Other plants nearby

Facility	City	Industry	Status	Distance
Precision-Tek Mfg., Inc.	Arlington heights	Metalworking Machinery Manufacturing 333512	UNVERIFIED	0.1 KM
Imprex International, INC	Arlington Heights	Saw Blade and Handtool Manufacturing 332216	ACTIVE	0.5 KM
Eclipse Precision Machining, LLC	Elk Grove Village	Machine Shops 332710	ACTIVE	2.5 KM
Epcor Industrial, INC.	Elk Grove Village	Machine Shops 332710	UNVERIFIED	2.6 KM
Sonic Manufacturing Corporation	Elk Grove Village	Machine Shops 332710	ACTIVE	2.6 KM

Every listed plant in Cook County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 11 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 JUL 2026 · last seen SEP 2026
SAM.gov entity registrationOPERATING
Record GAT5JD1ZQWK3 · first seen JAN 2026 · last seen JAN 2026
DOL Form 5500 retirement plan filingsOPERATING
Record 200183843|IL|60056|501 w algonquin · first seen DEC 2024 · last seen DEC 2024

IN COOK COUNTY77 other plants share this one’s industry (Metalworking Machinery Manufacturing, NAICS 3335); 30 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: LAPMASTER INTERNATIONAL LLC · JAN 2026
Street address: SAM.gov: 501 W ALGONQUIN RD · JAN 2026
City: SAM.gov: MOUNT PROSPECT · JAN 2026
State: SAM.gov: IL · JAN 2026
Coordinates: Census geocoder: 42.029916842288,-87.943067278053 · JUL 2026
Employees (band): DOL: 20-99 · DEC 2024
Website: SAM.gov: www.lapmaster-wolters.com · JAN 2026
CAGE code: SAM.gov: 38CZ8 · JAN 2026
Retirement plan filing (Form 5500): DOL: 91 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
SAM registration expires: SAM.gov: 2027-01-07 · JAN 2026
State business registrationSOURCES DISAGREE: Sunbiz: LAPMASTER INTERNATIONAL, LLC, registered with the Florida Department of State, Division of Corporations; Limited liability company formed in Illinois; registered 2022-09-28; active, annual report filed 2026-02-09 · FEB 2026; TX Comptroller: LAPMASTER PARENT LLC, registered with the Texas Comptroller of Public Accounts; Limited liability company; active

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