Public record · Illinois

St. Clair County: 251 companies on record.

The companies the public registers place in St. Clair County, Illinois, by sector, as DealSTE read them — read 8 Nov 2026. Each opens on its own record page: registration, sites, permits, liens and compliance, each with its register.

By sector
SectorCompanies
Defense and federal contracting68
Auto services — repair, collision, tire67
Manufacturing52
Trades — HVAC, plumbing, electrical, mechanical12
Distribution & wholesale9
Funeral homes7
Healthcare — medical, dental & home health6
Professional services — accounting, engineering, insurance5
Trucking5
Home construction & remodeling4
Landscaping, lawn care & grounds4
Commercial & specialty contracting3
Waste hauling, roll-off & recycling3
Crushed stone2
Car washes & quick lube1
Commercial cleaning & facilities services1
IT & managed services1
Retail — specialty, convenience & liquor1
The companies — the first 50 of 251, as the map lists them
CompanySectorCity
Roesch Acquisitions LLCManufacturingBelleville
Ongweoweh SCS St. Louis, LLCManufacturingEast St. Louis
Hubbell-weigmannManufacturingFreeburg
Charles E. Mahoney Co.ManufacturingSwansea
Century Castings CorporationManufacturingBelleville
Peerless-Premier Appliance CompanyManufacturingBelleville
WIMAN CorporationManufacturingSauk Rapids
Chelar Tool & Die, Inc.ManufacturingBelleville, Il
Sensient TechnologiesManufacturingSauget
Complete PayManufacturingEast Saint Louis
Universal Air FilterManufacturingSauget
Eastman ChemicalManufacturingSauget
Gateway Co-PackingManufacturingWashington Park
Kettler Casting Company, Inc.ManufacturingBelleville
Leslie Pool SupplyManufacturingSauget
Wall Vern Products, Inc.ManufacturingE Carondelet
Breckenridge Material CompanyManufacturingCaseyville
Eagle Fabrication, LLCManufacturingSauget
PermobilManufacturingBelleville
Sul4r-Plus Illinois LLCManufacturingMarissa
The Kilian CorporationCommercial & specialty contractingMASCOUTAH
Astec IndustriesManufacturingBelleville
Crysalis Biosciences, Inc.ManufacturingSauget
D.h. Helicopter, Inc.Defense & federal contractingMascoutah
EE-JAY MOTOR TRANSPORTS INCTrucking, freight & logisticsEAST ST. LOUIS
ILLINI ENVIRONMENTAL LLCWaste hauling, roll-off & recyclingCASEYVILLE
Marcia K Beckwith INCDefense & federal contractingFairview Heights
National Safety Apparel Inc.ManufacturingBelleville
NEWMAN CARRIERS, INC.Trucking, freight & logisticsFAIRMONT CITY
PYRAMID ELECTRICAL CONTRACTORS, INC.Trades — HVAC, plumbing, electrical, mechanicalFAIRVIEW HEIGHTS
TANK TRAILER CLEANING INCCar washes & quick lubeE ST LOUIS
W JAMES TAYLOR INCTrades — HVAC, plumbing, electrical, mechanicalLEBANON
CNC FOUNDATIONS, INC.Trades — HVAC, plumbing, electrical, mechanicalCASEYVILLE
Frank J Beelman IiiCrushed Stone & QuarriesColumbia
Kostelac Grease Service, Inc.ManufacturingBelleville
Top Ag Cooperative INCDistribution & wholesaleOKAWVILLE
C5t CorporationDefense & federal contractingScott Air Force Base
COMMERCIAL TRANSPORT INCTrucking, freight & logisticsBELLEVILLE
Global Enterprise Services, LLCDefense & federal contractingBelleville
Ingram BargeManufacturingEast Carondelet
Paragon Technology Group Inc.Defense & federal contractingScott Air Force Base
SCF ServicesManufacturingSt Louis
Century Brass Works, IncManufacturingSwansea
MASCOUTAH EQUIPMENT CO., INC.Distribution & wholesaleMASCOUTAH
Sterling PharmacueticalsManufacturingDupo
Cahokia Nursing & Rehabilitation Center INCDefense & federal contractingCahokia
Flexsys America LPManufacturingSauget
Progressive Recovery INCDefense & federal contractingDupo
Thouvenot Wade & Moerchen INCDefense & federal contractingSwansea
TOYOTA TSUSHO AMERICA INCHome construction & remodelingJOLIET

Every company in the county, with its filings and the people behind it, is read inside DealSTE. Request access.

Request access

Signups are closed while we bring buyers on in small groups.

We use your email only to reply.

What happens after you send it

01
A person reads it

Not a sequence and not a bot. Every request goes to the owner of DealSTE.

02
We write back as places open

By email, with a yes, a not yet, or a question about what you want to buy.

03
If it fits, an invitation

To a trial of every room, on the record we hold. Nothing is charged and no card is asked for.