| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| NORTHWOODS CEDAR WERKS | Business | 104005504 | WILDWOOD | CANCELLED | Verify |
| NORTON ROOFING OF ILLINOIS INC | Business | 104012789 | MORRIS | ACTIVE | Verify |
| NORTON SONS ROOFING CO INC | Business | 104004564 | LEMONT | ACTIVE | Verify |
| NOVA MILLENNIAL ROOFING SERVICE PLLC | Business | 104019414 | CHICAGO | ACTIVE | Verify |
| NOVAK GENERAL CONSTRUCTION | Business | 104012922 | NORRIDGE | NOT RENEWED | Verify |
| NOVAK ROOFING | Business | 104009791 | ROMEOVILLE | CANCELLED | Verify |
| NOVUS CONTSTRUCTION SERVICES INC. | Business | 104017967 | ROSELLE | ACTIVE | Verify |
| NOVUSTEC PRO SERVICES INC | Business | 104020592 | CHICAGO | ACTIVE | Verify |
| NOWOBILSKI CONSTRUCTION INC | Business | 104013700 | PALOS PARK | ACTIVE | Verify |
| NPS SALES CONTRACTING & REPAIRS LLC | Business | 104019268 | PAXTON | NOT RENEWED | Verify |
| NPSE HOME SOLUTIONS, PLLC | Business | 104019045 | LIBERTYVILLE | ACTIVE | Verify |
| NR LION EXTERIORS PLLC | Business | 104019709 | PARK CITY | ACTIVE | Verify |
| NRG CONSTRUCTION LLC | Business | 104018515 | ADDISON | ACTIVE | Verify |
| NRV ROOFING CORPORATION | Business | 104018741 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| NSTRYING | Business | 104014469 | NAPERVILLE | CANCELLED | Verify |
| NSW ROOFING & CONSTRUCTION CO INC | Business | 104003856 | CHICAGO | CANCELLED | Verify |
| NSX ROOFING LLC | Business | 104020321 | HARVEY | ACTIVE | Verify |
| NU-LIVING GENERAL CONTRACTORS INC | Business | 104004720 | DOWNERS GROVE | NOT RENEWED | Verify |
| NU-TECH MAINTENANCE SERVICE INC | Business | 104014326 | BROOKFIELD | ACTIVE | Verify |
| NU-VU CONTRACTORS | Business | 104006427 | ELSAH | CANCELLED | Verify |
| NUGENT ROOFING | Business | 104016563 | MELVIN | NOT RENEWED | Verify |
| NUGENT ROOFING | Business | 104016563 | MELVIN | NOT RENEWED | Verify |
| NUSSBAUM ROOFING COMPANY, INC. | Business | 104020022 | BLOOMINGTON | ACTIVE | Verify |
| NUTTLE ROOFING CO | Business | 104002697 | ROSELLE | INOPERATIVE | Verify |
| NUVOHAUS HOME IMPROVEMENT INC | Business | 104016142 | ARLINGTON HEIGHTS | ACTIVE | Verify |
| NUWAVE CONSTRUCTION INC | Business | 104018586 | LISLE | ACTIVE | Verify |
| NUWAY LEADING GROUP, INC | Business | 104019811 | BROOKFIELD | ACTIVE | Verify |
| NV ROOFING INC | Business | 104017721 | ELGIN | ACTIVE | Verify |
| NWI INTERNATIONAL INC | Business | 104004456 | HODGKINS | NOT RENEWED | Verify |
| NWR CONSTRUCTION AND EXTERIORS INC | Business | 104016297 | CAROL STREAM | ACTIVE | Verify |
| NWR CONSTRUCTION INC | Business | 104011858 | BURR RIDGE | NOT RENEWED | Verify |
| NYBERG ENTERPRISES INC | Business | 104005868 | PALATINE | ACTIVE | Verify |
| NYLE R PUCKETT | Business | 104004959 | DECATUR | CANCELLED | Verify |
| O & M ROOFING INC | Business | 104018898 | HOMER GLEN | ACTIVE | Verify |
| O & M ROOFING SERVICES LLC | Business | 104020573 | CHICAGO | NOT RENEWED | Verify |
| O & N HOME SOLUTIONS, LLC | Business | 104020667 | ELK GROVE VILLAGE | ACTIVE | Verify |
| O B M INC | Business | 104012832 | BLOOMINGDALE | NOT RENEWED | Verify |
| O DANNY BOY BUILDERS, LLC | Business | 104016967 | BURR RIDGE | ACTIVE | Verify |
| O E ERWIN CONTRACTOR | Business | 104005207 | SHIPMAN | CANCELLED | Verify |
| O E SCHROCK INC | Business | 104000721 | ARTHUR | NOT RENEWED | Verify |
| O G CARPENTER CONSTRUCTION | Business | 104001152 | FOOSLAND | NOT RENEWED | Verify |
| O K CONSTRUCTION | Business | 104008666 | PEORIA | CANCELLED | Verify |
| O T UNITED HOME IMPROVEMENTS | Business | 104009059 | CHANNAHON | NOT RENEWED | Verify |
| O.R QUALITY CONSTRUCTION LLC | Business | 104020796 | CHICAGO | ACTIVE | Verify |
| O.T ENTERPRISE LLC | Business | 104020878 | SAINT CHARLES | ACTIVE | Verify |
| O'BRIEN & SHERMAN CONST LLP | Business | 104008544 | ELK GROVE VILLAGE | NOT RENEWED | Verify |
| O'BRIEN CONSTRUCTION LLC | Business | 104013242 | ELK GROVE VILLAGE | NOT RENEWED | Verify |
| O'BRIEN ROOFING & CONSTRUCTION CO INC | Business | 104009453 | CHICAGO | NOT RENEWED | Verify |
| O'MALLEY ROOFING | Business | 104013928 | CHICAGO | NOT RENEWED | Verify |
| O'NEAL BUILDERS INC | Business | 104012260 | BLOOMINGTON | CANCELLED | Verify |