Companies 2,301–2,350 of 2,788
A–Z by legal name| Company | Business category | Registry number | Registered | Status | City |
|---|---|---|---|---|---|
| SIF L3C | — | 14043594 | 2024-01-09 | Dissolved | WILLOWBROOK |
| SIGMA 1, LLC | — | 11300782 | 2022-01-12 | Active | WILLOWBROOK |
| SIGMA-NC, LLC | — | 17151258 | 2025-12-10 | Active | WILLOWBROOK |
| SIGNATURE BY SP, LLC | — | 15011793 | 2024-07-25 | Active | WILLOWBROOK |
| SIGNS BY ERIC LLC | — | 10691109 | 2021-07-23 | Dissolved | WILLOWBROOK |
| SILENT CIRCUIT LLC | — | 17378082 | 2026-01-30 | Active | WILLOWBROOK |
| SILVER LINING DIGITAL IMAGING, LLC | — | 07908105 | 2019-07-02 | Active | WILLOWBROOK |
| SILVER TECH CONSULTING LLC | — | 12874235 | 2023-02-23 | Active | WILLOWBROOK |
| SILVERA INVESTIGATIONS LLC | — | 17716891 | 2026-03-24 | Active | WILLOWBROOK |
| SIMI TRUCKING LLC | — | 12564228 | 2022-12-07 | Dissolved | WILLOWBROOK |
| SIMON PETER AUTO LLC | — | 17359649 | 2026-01-27 | Active | WILLOWBROOK |
| SIMON PETER LLC | — | 01586432 | 2005-08-03 | Active | WILLOWBROOK |
| SIMON PETER PROPERTIES LLC | — | 17321277 | 2026-01-19 | Active | WILLOWBROOK |
| SIMPLE EXPRESS LLC | — | 06848672 | 2018-05-23 | Dissolved | WILLOWBROOK |
| SIMPLE SPACES BY KATE, LLC | — | 15871741 | 2025-02-27 | Dissolved | WILLOWBROOK |
| SIMPLY MARVELOUS EVENTS LLC | — | 03510182 | 2011-03-04 | Dissolved | WILLOWBROOK |
| SIMRENA TAX SERVICE LLC | — | 08250391 | 2019-10-30 | Active | WILLOWBROOK |
| SINITSYN LLC | — | 13402175 | 2023-06-22 | Dissolved | WILLOWBROOK |
| SINKOV & PARTNERS LLC | — | 16180505 | 2025-05-05 | Active | WILLOWBROOK |
| SIUBHAIL PUBLISHING, LLC | — | 13810737 | 2023-09-29 | Inactive | WILLOWBROOK |
| SIX06 CONSULTANTS LLC | — | 13847649 | 2023-10-11 | Active | WILLOWBROOK |
| SJLC SERVICES, LLC | — | 01396854 | 2005-01-14 | Dissolved | WILLOWBROOK |
| SJS REAL ESTATE DEVELOPMENT, LLC | — | 04603893 | 2013-11-25 | Dissolved | WILLOWBROOK |
| SKIN BY KATE LLC | — | 17847309 | 2026-04-09 | Active | WILLOWBROOK |
| SKIN DEEP HOSPITALITY LLC | — | 16641464 | 2025-08-08 | Inactive | WILLOWBROOK |
| SKIN_TASTIK LLC | — | 10260914 | 2021-04-24 | Active | WILLOWBROOK |
| SKOKNA STRENGTH LLC | — | 17228315 | 2025-12-31 | Active | WILLOWBROOK |
| SKOPYEAH LLC | — | 15512776 | 2024-12-03 | Active | WILLOWBROOK |
| SKW TWO LLC | — | 02169118 | 2007-04-06 | Dissolved | WILLOWBROOK |
| SKYLESS, LLC | — | 13776482 | 2023-09-20 | Active | WILLOWBROOK |
| SKYLINE PARTY RENTALS L.L.C. | — | 11683487 | 2022-04-08 | Dissolved | WILLOWBROOK |
| SLA LOGISTICS LLC | — | 15547081 | 2024-12-10 | Active | WILLOWBROOK |
| SLIDE VENTURES LLC | — | 17272985 | 2026-01-12 | Active | WILLOWBROOK |
| SLIGO-QUEENAN, LLC | — | 02894718 | 2009-11-16 | Dissolved | WILLOWBROOK |
| SM 8228 LLC | — | 08789088 | 2020-06-02 | Inactive | WILLOWBROOK |
| SM FREIGHT CARRIERS, LLC | — | 07402538 | 2018-11-28 | Dissolved | WILLOWBROOK |
| SMALL ESTATES LLC | — | 14959173 | 2024-07-09 | Active | WILLOWBROOK |
| SMART CIRCUITS LLC | — | 06813305 | 2018-03-19 | Active | WILLOWBROOK |
| SMART ELECTRIC LLC | — | 05571863 | 2016-01-15 | Dissolved | WILLOWBROOK |
| SMART MODERN SOLUTIONS LLC | — | 16351431 | 2025-06-10 | Inactive | WILLOWBROOK |
| SMART PATH GPS LLC | — | 05994969 | 2016-12-20 | Active | WILLOWBROOK |
| SNACK & SIP VENDING LLC | — | 10194911 | 2021-04-13 | Dissolved | WILLOWBROOK |
| SNK TRANSPORT LLC | — | 07927495 | 2019-07-15 | Dissolved | WILLOWBROOK |
| SNW MANAGEMENT LLC | — | 14211411 | 2024-01-10 | Dissolved | WILLOWBROOK |
| SOCIETY BUILDERS, LLC | — | 01656392 | 2005-10-20 | Dissolved | WILLOWBROOK |
| SODERWORLD ENTERPRISES, LLC | — | 04361911 | 2013-05-01 | Dissolved | WILLOWBROOK |
| SODERWORLD PARTNERSHIP, LLC | — | 15642939 | 2025-01-02 | Dissolved | WILLOWBROOK |
| SOLAR TECH L.L.C. | — | 00284432 | 1999-05-04 | Dissolved | WILLOWBROOK |
| SONAS HOSPITALITY LLC | — | 06535402 | 2017-10-06 | Dissolved | WILLOWBROOK |
| SONG DENTAL PLLC | — | 08310688 | 2019-11-27 | Active | WILLOWBROOK |
Willowbrook registrations by year
39 yearsOther cities in Illinois
60 largestChicago407,240Springfield26,421Naperville24,865Aurora15,116Schaumburg14,007Northbrook13,674Rockford13,635Skokie11,938Evanston11,769Oak Park10,440Elgin9,962Plainfield9,875Joliet9,715Glenview9,226Des Plaines9,023Peoria8,936Arlington Heights8,813Champaign8,253Orland Park8,117Bloomington7,688Highland Park7,684Downers Grove7,612Palatine7,517Bolingbrook7,511Oak Brook7,285Elmhurst7,120Park Ridge6,871Wheaton6,836Belleville6,798New York6,455Lombard6,357St. Charles6,120Deerfield5,805Hoffman Estates5,669Lake Forest5,662Crystal Lake5,513Wilmette5,412Buffalo Grove5,302Tinley Park5,166Lincolnwood5,147Frankfort5,054Hinsdale4,922Elk Grove Village4,725Barrington4,717Glen Ellyn4,681Oak Lawn4,672Waukegan4,615Decatur4,486Libertyville4,431Burr Ridge4,245Addison4,242Calumet City4,215South Holland4,071Geneva4,066Wheeling4,036Wilmington4,018Matteson4,008Oswego3,969Lisle3,943Mount Prospect3,909