Is OSR Holding Company LLC active?

Yes — the South Dakota registry lists OSR Holding Company LLC as active, as of the 2026-07-29 source snapshot. The status is republished verbatim from the Secretary of State record.

Where is OSR Holding Company LLC registered?

OSR Holding Company LLC is registered in South Dakota under company number FL274384, first registered on May 6, 2024.

What type of company is OSR Holding Company LLC?

OSR Holding Company LLC is registered as an LLC with the South Dakota Secretary of State.

Where is OSR Holding Company LLC registered to do business?

Beyond its South Dakota registration, linked records — same legal name plus a shared officer, agent, address or home state — appear in 47 other state registers, including 43 foreign qualifications in Alaska, Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Florida, Hawaii and 33 more. Each is listed in the filings section above.

Who are the owners of OSR Holding Company LLC?

Public filings name 1 ownership principal for OSR Holding Company LLC: PHIL MELHORN. Ownership is drawn from FMCSA beneficial-ownership records and address-verified business-directory listings; it is not a complete cap table.

How many employees does OSR Holding Company LLC have?

OSR Holding Company LLC reports a workforce of 100 to 499 employees in its E-Verify enrollment with USCIS, hiring at 6 sites across 5 states (last updated 9 May 2024). Workforce size is self-reported by the employer at enrollment.

Does OSR Holding Company LLC offer a 401(k) plan?

Yes — Form 5500 filings with the Department of Labor show OSR Holding Company LLC sponsors a 401(k) retirement plan, with reported plan assets of $5.6M. Filings span 2023–2025. Details are in the Form 5500 section above.

Does OSR Holding Company LLC have UCC liens?

No UCC financing statements name OSR Holding Company LLC as debtor in the indexed state registries.

In which states is OSR Holding Company LLC registered with the Secretary of State?

OSR Holding Company LLC appears in 48 state business registers: South Dakota, Alaska, Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Florida, Hawaii and 36 more. South Dakota is the home registration; the rest are foreign qualifications or linked filings, each listed in the filings section above.

Is OSR Holding Company LLC a federal contractor?

No federal contract awards or SAM.gov recipient records are matched to OSR Holding Company LLC in the indexed federal datasets.

Does OSR Holding Company LLC hold any licenses?

21 license and credential records are matched to OSR Holding Company LLC (16 state, 3 local, 2 federal). Each license, its type and issuing authority is listed in the Licenses section above.

What is the EIN of OSR Holding Company LLC?

The Employer Identification Number (EIN) on record for OSR Holding Company LLC is 99-1311502.

What public records are linked to OSR Holding Company LLC?

30 public records are linked to OSR Holding Company LLC: 1 in Filings, 4 in Permits, 21 in Licenses & authorities, 1 in E-Verify, 3 in 401(k) — matched across federal, state and municipal registers by its registered legal names.

Where does this data come from?

Every fact on this profile is republished from official public registers — Secretary of State filings, UCC indexes and federal datasets. Each section names its issuing register and the snapshot Netstate last retrieved (latest: 2026-07-29).

OSR Holding Company LLC — South Dakota LLC No. FL274384: Active, 1 filing — Netstate

South Dakota/OSR Holding Company LLC

OSR Holding Company LLC

Type LLCRegistered 6 May 2024 (over 2 years ago)Company No. FL274384Updated 2026-07-29

OSR Holding Company LLC is a South Dakota LLC, registered on May 6, 2024. It is based at 6437 N Avondale Ave, Chicago, IL, 60631. The company is currently listed as active on the South Dakota register and is registered under company number FL274384. Its E-Verify enrollment reports a workforce of 100 to 499 employees, hiring at 6 sites across 5 states. Public records for the company include 1 SoS registration, 4 permits, 19 licenses, 1 E-Verify record, 2 USDOT records and 3 Form 5500 filings. Every fact here is republished from an official public register and traces back to a primary source document.

Standing
Legal entity name	OSR Holding Company LLC
Doing business as	O'HARA'S SON ROOFING
Principal address	6437 N Avondale AveChicago60631ILUnited States
Registration state	South Dakota
Status	Active
Formed in	Delaware (foreign registration)
Home company	OSR HOLDING COMPANY LLC
Registered	6 May 2024 (over 2 years ago)
Shareholders	PHIL MELHORN, owner
Entity type	LLC

Company number	FL274384

EIN	99-1311502

Employees (modeled)	≈201 employees2025

Workforce size	100 to 499 employees · updated 9 May 2024

Hiring sites	6 sites across 5 states

USDOT carrier	USDOT 4406754 · 1 power unit · 1 driver · Interstate

Registered agent	CORPORATION SERVICE COMPANY

Source registry	South Dakota Secretary of State · updated 15 June 2026

Public records	1 SoS registration

Est. revenue (modeled)	$46.8M2025

Secretary of State Filings

48 registrations

47Active

0Inactive

1Unknown

State	Business name	Filed	Registered agent	Officers	Status
South DakotaTHIS	OSR Holding Company LLC	2024-05-06	CORPORATION SERVICE COMPANY	—	Active
Filing ID FL274384 Jurisdiction Foreign · LLCFormed in Delaware Principal address 6437 N Avondale Ave, Chicago, IL, 60631 Registered agent CORPORATION SERVICE COMPANY503 S PIERRE ST, PIERRE, SD, 57501-4522 Officers Not reported
Alaska	OSR HOLDING COMPANY, LLC	2024-05-28	Corporation Service Company	LUKE COLEMANMemberOSR TOPCO LLCManager, Member	Active

Alabama	OSR Holding Company LLC	2024-04-30	CORPORATION SERVICE COMPANY INC	—	Active

Arkansas	OSR HOLDING COMPANY LLC	2024-05-09	CORPORATION SERVICE COMPANY	LUKE COLEMANOfficer	Active

Arizona	OSR Holding Company LLC	2024-04-18	Corporation Service Company	Luke ColemanMember	Active

California	OSR Holding Company LLC	2024-04-16	CORPORATION SERVICE COMPANY WHICH WILL DO BUSINESS IN CALIFORNIA AS CSC - LAWYERS INCORPORATING SERVICE	Luke ColemanOfficer, ManagerChristina M LoebachManager	Active

Colorado	OSR Holding Company LLC	2024-04-23	CORPORATION SERVICE COMPANY	—	Active

Connecticut	OSR Holding Company LLC	2024-04-29	CORPORATION SERVICE COMPANY	Luke ColemanOfficer	Active

District of Columbia	OSR HOLDING COMPANY LLC	2024-05-22	CORPORATION SERVICE COMPANY	LUKE COLEMANOwner	Active

Delaware	OSR HOLDING COMPANY LLC	2024-02-09	CORPORATION SERVICE COMPANY	—	Unknown

Florida	OSR HOLDING COMPANY LLC	2024-04-19	CORPORATION SERVICE COMPANY	LUKE COLEMANAuthorized representative	Active

Hawaii	OSR HOLDING COMPANY LLC	2024-05-22	CORPORATION SERVICE COMPANY	OSR TOPCO LLCManager	Active

Iowa	OSR HOLDING COMPANY LLC	2024-04-17	CORPORATION SERVICE COMPANY	—	Active

Idaho	OSR Holding Company LLC	2024-04-25	CORPORATION SERVICE COMPANY	LUKE COLEMANManager, Director	Active

Illinois	OSR HOLDING COMPANY LLC	2024-03-12	ILLINOIS CORPORATION SERVICE COMPANY	OSR OPCO LLCManager	Active

Indiana	OSR HOLDING COMPANY LLC	2024-04-17	CORPORATION SERVICE COMPANY	—	Active

Kansas	OSR Holding Company LLC	2024-05-08	CORPORATION SERVICE COMPANY	—	Active

Kentucky	OSR HOLDING COMPANY LLC	2024-06-04	Corporation Service Company	LUKE COLEMANMember	Active

Louisiana	OSR HOLDING COMPANY LLC	2024-05-07	CORPORATION SERVICE COMPANY	LUKE COLEMANMember	Active

Massachusetts	OSR HOLDING COMPANY LLC	2024-07-18	CORPORATION SERVICE COMPANY	LUKE COLEMANOfficer	Active

Maryland	OSR HOLDING COMPANY LLC	2024-05-20	CSC-LAWYERS INCORPORATING SERVICE COMPANY	—	Active

Maine	OSR HOLDING COMPANY LLC	2024-05-23	CORPORATION SERVICE COMPANY	—	Active

Michigan	OSR HOLDING COMPANY LLC	2024-04-24	CSC-LAWYERS INCORPORATING SERVICE (COMPANY)	—	Active

Minnesota	OSR Holding Company LLC	2024-04-16	Corporation Service Company	LUKE COLEMANManager	Active

Missouri	OSR HOLDING COMPANY LLC	2024-04-30	CSC-LAWYERS INCORPORATING SERVICE COMPANY	—	Active

Mississippi	OSR Holding Company LLC	2024-04-24	CORPORATION SERVICE COMPANY	Luke ColemanMember	Active

Montana	OSR Holding Company LLC	2024-04-25	CORPORATION SERVICE COMPANY	OSR Topco LLCManagerLuke ColemanManager	Active

North Carolina	OSR Holding Company LLC	2024-05-28	CSC - Delaware	Coleman, LukeOfficer	Active

North Dakota	OSR Holding Company LLC	2024-04-26	CORPORATION SERVICE COMPANY	—	Active

Nebraska	OSR HOLDING COMPANY LLC	2024-05-03	CSC-LAWYERS INCORPORATING SERVICE COMPANY	—	Active

New Hampshire	OSR HOLDING COMPANY LLC	2024-05-06	CORPORATION SERVICE COMPANY	Luke ColemanOfficerOSR Topco LLCManager	Active

New Mexico	OSR Holding Company LLC	2024-05-30	CORPORATION SERVICE COMPANY	Luke ColemanManager	Active

Nevada	OSR Holding Company LLC	2024-04-15	CORPORATION SERVICE COMPANY*	Luke ColemanMemberOSR Topco LLCManager	Active

Ohio	OSR HOLDING COMPANY LLC	2024-04-15	CORPORATION SERVICE COMPANY	LUKE COLEMANOfficer	Active

Oklahoma	OSR HOLDING COMPANY LLC	2024-04-16	CORPORATION SERVICE COMPANY	—	Active

Oregon	OSR HOLDING COMPANY LLC	2024-04-26	CORPORATION SERVICE COMPANY	LUKE COLEMANMember	Active

Pennsylvania	OSR Holding Company LLC	2024-04-25	—	Luke ColemanOfficer, DirectorOSR Topco LLCDirector	Active

Rhode Island	OSR Holding Company LLC	2024-04-25	CORPORATION SERVICE COMPANY	OSR TOPCO LLCManager	Active

South Carolina	OSR Holding Company LLC	2024-04-23	Corporation Service Company	—	Active

Tennessee	OSR HOLDING COMPANY LLC	2024-04-16	CORPORATION SERVICE COMPANY	—	Active

Texas	OSR Holding Company LLC	2024-04-15	Corporation Service Company d/b/a CSC-Lawyers Incorporating Service Company	Luke ColemanOfficerOSR Topco LLCOfficer	Active

Utah	OSR HOLDING COMPANY LLC	2024-05-07	CORPORATION SERVICE COMPANY	OSR Topco LLCManagerLuke Daniel ColemanMember1 more	Active

Virginia	OSR Holding Company LLC	2024-04-23	CORPORATION SERVICE COMPANY	—	Active

Vermont	OSR HOLDING COMPANY LLC	2024-05-02	CORPORATION SERVICE COMPANY	Luke ColemanOwnerOSR Topco LLCManager	Active

Washington	OSR HOLDING COMPANY LLC	2024-04-25	CORPORATION SERVICE COMPANY	OSR TOPCO LLCDirectorLUKE COLEMANDirector	Active

Wisconsin	OSR HOLDING COMPANY LLC	2024-05-07	CORPORATION SERVICE COMPANY	—	Active

West Virginia	OSR HOLDING COMPANY LLC	2024-05-01	CORPORATION SERVICE COMPANY	OSR TOPCO LLCManager	Active

Wyoming	OSR Holding Company LLC	2024-07-23	Corporation Service Company	—	Active

Permits

4 records

Source: chicago il building permits · TX sales tax permitted locations · NC asheville building permits·verified at source

4 permits

Active 1Complete 1Expired 1Not reported 1

Declared job value $1,014,007 · avg $507,004 · 2 of 4 permits report a valuePermit – express permit program 2Com: Reroof 1

State	Permit	Issued	Type	Location	Status
Illinois	B200459781	2026-02-24	PERMIT – EXPRESS PERMIT PROGRAM	—	ACTIVE
application start date 2026-02-20T00:00:00.000 building fee paid 5250 building fee subtotal 5250 building fee unpaid 0 building fee waived 0 census tract 590200 community area 59 contact 1 city CHICAGO contact 1 name OSR HOLDING COMPANY LLC contact 1 state IL contact 1 type TENANT contact 1 zipcode 60631 contact 2 city CHICAGO contact 2 name LANGHAM SAMANTHA contact 2 state IL contact 2 type WEB APPLICANT contact 2 zipcode 60631 contact 3 city CHICAGO contact 3 name LANGHAM SAMANTHA contact 3 state IL contact 3 type APPLICANT’S REPRESENTATIVE contact 3 zipcode 60631 contact 4 city MINNEAPOLIS contact 4 name TARGET CORPORATION contact 4 state MN contact 4 type OWNER contact 4 zipcode 55403 contact 5 city CHICAGO contact 5 name OSR HOLDING COMPANY LLC contact 5 state IL contact 5 type GENERAL CONTRACTOR contact 5 zipcode 60631 id N2845929 issue date 2026-02-24T00:00:00.000 latitude 41.83414738752838 location 41.83415, -87.67460 longitude -87.67459785643622 other fee paid 25 other fee subtotal 25 other fee unpaid 0 other fee waived 0 permit B200459781 permit milestone INSPECTIONS permit status ACTIVE permit type PERMIT – EXPRESS PERMIT PROGRAM pin list 1731200040 processing time 4 reported cost 688607 review type EXPRESS PERMIT PROGRAM street direction W street name 33RD ST street number 1940 subtotal paid 5275 subtotal unpaid 0 subtotal waived 0 total fee 5275 ward 12 work description SCOPE: ROOF RECOVER. AREA: 145920 SQ. FT. INCLUDES REPAIR/REPLACE VEGETATIVE ROOF. ROOF COVERING: OTHER. LOCATION: ROOFTOP. IL ROOFING CONTRACTOR LICENSE: 104020220. work type Reroofing xcoordinate 1163767.3358216041 ycoordinate 1882841.8397027436 zoning fee paid 0 zoning fee subtotal 0 zoning fee unpaid 0 zoning fee waived 0 Source: chicago il building permits · document dtx-permits/947c791d379f2d511c79d232
Illinois	B200457215	2026-02-18	PERMIT – EXPRESS PERMIT PROGRAM	—	COMPLETE
application start date 2026-02-17T00:00:00.000 building fee paid 2250 building fee subtotal 2250 building fee unpaid 0 building fee waived 0 census tract 40100 community area 4 contact 1 city CHICAGO contact 1 name HALF ACRE BEER CO. contact 1 state IL contact 1 type OWNER contact 1 zipcode 60625 contact 2 city CHICAGO contact 2 name HARRIS BRADFORD JAY contact 2 state IL contact 2 type WEB APPLICANT contact 2 zipcode 60602 contact 3 city CHICAGO contact 3 name OSR HOLDING COMPANY LLC contact 3 state IL contact 3 type GENERAL CONTRACTOR contact 3 zipcode 60631 contact 4 city CHICAGO contact 4 name HARRIS BRADFORD JAY contact 4 state IL contact 4 type EXPEDITER (INDIVIDUAL) contact 4 zipcode 60602 contact 5 city CHICAGO contact 5 name CONSTRUCTION SERVICE ASSOCIATES contact 5 state IL contact 5 type EXPEDITER contact 5 zipcode 60602 id N2834249 issue date 2026-02-18T00:00:00.000 latitude 41.97974794152861 location 41.97975, -87.68154 longitude -87.6815389486624 other fee paid 25 other fee subtotal 25 other fee unpaid 0 other fee waived 0 permit B200457215 permit milestone COMPLETE permit status COMPLETE permit type PERMIT – EXPRESS PERMIT PROGRAM pin list 1407103033 processing time 1 reported cost 325400 review type EXPRESS PERMIT PROGRAM street direction W street name BALMORAL AVE street number 2050 subtotal paid 2275 subtotal unpaid 0 subtotal waived 0 total fee 2275 ward 40 work description SCOPE: ROOF REPLACEMENT. AREA: 24100 SQ. FT. ROOF COVERING: OTHER. LOCATION: ROOF TOP. IL ROOFING CONTRACTOR LICENSE: 104020220. work type Reroofing xcoordinate 1161472.5956880196 ycoordinate 1935884.322490905 zoning fee paid 0 zoning fee subtotal 0 zoning fee unpaid 0 zoning fee waived 0 Source: chicago il building permits · document dtx-permits/ca402b5107aeac64f451f8a9
Texas	32094630723	2024-05-18	—	SE LOOP 820	Unknown
address number 2808 address text SE LOOP 820 city taid 2220031 county taid — first sale date 2024-05-17T00:00:00.000 juris city FORT WORTH loc city FORT WORTH loc county 220 loc juris Y loc name OSR HOLDING COMPANY LLC loc number 1 loc state TX loc zip 76140 loc zip4 1012 mass transit auth1 taid 3220996 mass transit auth2 taid — naics 238160 org type CI out of business date 2025-06-30T00:00:00.000 permit date 2024-05-18T00:00:00.000 special purp dist1 taid 5220503 special purp dist2 taid — special purp dist3 taid — special purp dist4 taid — tp address 6437 N AVONDALE AVE tp city CHICAGO tp county 0 tp name OSR HOLDING COMPANY LLC (O'HARA'S SON ROOFING COMP tp number 32094630723 tp state IL tp zip 60631 tp zip4 1909 unique taid — Source: TX sales tax permitted locations · document dtx-permits/4c89e1abfdffb5fb50ac9014
North Carolina	221839	—	—	60 AIRPORT RD, ASHEVILLE, NC 28704	Expired
address 60 AIRPORT RD, ASHEVILLE, NC 28704 apn 208650 balance due 0 business name OSR HOLDING COMPANY LLC date assigned — date closed 1743480000000 date completed — date opened 1743480000000 date statused 1785052802000 description REMOVE EXISTING ROOF MEMBRANE AND REPLACE WITH NEW, LIKE, MEMBRANE. EXISTING INSULATION TO REMAIN IN PLACE. NO STRUCTURAL WORK FOR WALMART job value 0 license number 221839 objectid 2043 parcel number 208650 record comments REMOVE EXISTING ROOF MEMBRANE AND REPLACE WITH NEW, LIKE, MEMBRANE. EXISTING INSULATION TO REMAIN IN PLACE. NO STRUCTURAL WORK FOR WALMART record id 25-02860 record module Permits record name WALMART record status Expired record status date 1785052802000 record type Com: Reroof record type category Reroof record type group Permits record type subtype Existing Building record type type Commercial short notes REMOVE EXISTING ROOF MEMBRANE AND REPLACE WITH NEW status Expired Source: NC asheville building permits · document dtx-permits/963cb0c74b0f6c8877454143

Licenses & authorities

21 records

Source: hernando county fl business licenses · winfield ks business licenses · ST george ut business licenses · henderson business licenses · DE business licenses · PA sales use hotel tax licenses · chicago business licenses · florence sc business licenses · moreno valley ca business licenses · CT elicense licenses · OR ccb contractor licenses · CT state licenses · AK cbpl professional licenses · IL professional licenses · FMCSA safer · FMCSA ubo·verified at source

21 licenses

Active 8Issued 2Void 3Not reported 4Other 4

Held across 2 statesContractor - Roofing Certified 3Carrier authority 2Roofing contractor 1+6 more

State	License / ID	Type	Issued	Status
Connecticut	—	—	2026-07-01	ACTIVE

Utah	—	—	2026-05-15	Issued

Illinois	104020220	ROOFING CONTRACTOR	2025-10-14	ACTIVE
business Y business name OSR HOLDING COMPANY LLC businessdba — city CHICAGO county — description LICENSED ROOFING CONTRACTOR effective date 10/14/2025 ever disciplined N expiration date 12/31/2027 first name — last name — lastmodifieddate 10/14/2025 license number 104020220 license status ACTIVE license type ROOFING CONTRACTOR middle — original issue date 01/09/2025 prefix — specialty qualifier UNLIMITED state IL suffix — title — zip 60631 Source: IL professional licenses · document dtx-licenses/d4fd6f728811d3a9342025e6
—	3041016	Limited Business License	2025-07-23	AAI
account number 518586 address 6437 N AVONDALE AVE application created date 2025-07-22T00:00:00.000 application requirements complete 2025-07-22T00:00:00.000 application type ISSUE business activity Roof Repair and Installation business activity id 914 city CHICAGO community area 9 community area name EDISON PARK conditional approval N date issued 2025-07-23T00:00:00.000 doing business as name O'HARA'S SON ROOFING COMPANY expiration date 2027-08-15T00:00:00.000 id 3041016-20250723 latitude 41.9979060607 legal name OSR HOLDING COMPANY LLC license approved for issuance 2025-07-22T00:00:00.000 license code 1010 license description Limited Business License license id 3041016 license number 3041016 license start date 2025-07-23T00:00:00.000 license status AAI location latitude: 41.99790606072998 · longitude: -87.81153719318401 longitude -87.8115371932 neighborhood EDISON PARK payment date 2025-07-22T00:00:00.000 police district 16 precinct 37 site number 1 state IL ward 41 ward precinct 41-37 zip code 60631 Source: chicago business licenses · document dtx-licenses/5bca5f2fc057ecbc248d3fec
California	—	—	2025-06-30	Unknown

South Carolina	217729	General Business License - BL - Construction/Contractors	2025-05-01	Inactive
address CountryTypeId: 0 · CountryTypeName: US · StreetTypeName: AVE · PreDirection: N · AddressLine1: 6437 · AddressLine2: AVONDALE · AddressTypeName: Location · City: CHICAGO · StateName: IL · PostalCode: 60631 · IsMain: true · FullAddress: 6437 N AVONDALE AVE CHICAGO IL 60631 address display 6437 N AVONDALE AVE CHICAGO IL 60631 apply date 2025-05-01T00:00:00 business id 7A49C69F-ED85-4CA5-8350-836B879C9D64 business status Inactive business type name — case id 0B2BD05E-0432-4BFA-B259-582C9389EF02 case number 217729 case status Inactive case status id — case type General Business License - BL - Construction/Contractors case type id — case workclass BL - Construction/Contractors case workclass id — closed date 2026-07-20T00:00:00 company name OSR HOLDING COMPANY LLC company type name Corporation complete date — dba O'HARA'S SON ROOFING COMPANY LLC description — expected end date — expire date 2026-04-30T00:00:00 final date — holder company name — holder first name — holder last name — holder middle name — issue date 2025-05-01T00:00:00 last audit date — license year — main parcel — module name 8 opened date 2025-05-21T00:00:00 project name — request date — schedule date — start date — tax id — Source: florence sc business licenses · document dtx-licenses/a9e0f849f283ba10ab2da83b
Kansas	LCNTB-2025-0768	Roofing Contractor Business	2025-03-27	Expired
address CountryTypeId: 0 · CountryTypeName: US · StreetTypeName: AVE · PreDirection: N · AddressLine1: 6437 · AddressLine2: Avondale · AddressTypeName: Location · City: Chicago · StateName: IL · PostalCode: 60631 · IsMain: true · FullAddress: 6437 N Avondale AVE Chicago IL 60631 address display 6437 N Avondale AVE Chicago IL 60631 apply date 2025-03-27T11:48:56.41 business id 2c0bb2d2-a2c9-43bb-8ade-dcdef58cf4df business status Applied business type name — case id 75e7fae6-e83b-4461-85e8-4ad9fd99b1e7 case number LCNTB-2025-0768 case status Expired case status id — case type Roofing Contractor Business case type id — case workclass Roofing Contractor Business case workclass id — closed date — company name OSR Holding Company LLC company type name Limited Liability Company complete date — dba — description Roofing Contractor expected end date — expire date 2025-12-31T00:00:00 final date — holder company name — holder first name — holder last name — holder middle name — issue date 2025-03-27T11:56:02.787 last audit date — license year — main parcel — module name 8 opened date — project name — request date — schedule date — start date — tax id — Source: winfield ks business licenses · document dtx-licenses/6c7e222aecde514db3e85168
Kansas	LCNTB-2025-8111	Roofing Contractor	2025-03-25	Issued
address CountryTypeId: 0 · CountryTypeName: US · AddressLine1: 6437 Avondale · AddressTypeName: Location · City: Chicago · StateName: IL · PostalCode: 60631 · IsMain: true · FullAddress: 6437 Avondale Chicago IL 60631 address display 6437 Avondale Chicago IL 60631 apply date 2025-03-25T13:55:27.47 business id — business status — business type name — case id 2e2c4fe9-bbc5-47f8-894a-476325130226 case number LCNTB-2025-8111 case status Issued case status id — case type Roofing Contractor case type id — case workclass Roofing Contractor case workclass id — closed date — company name OSR Holding Company LLC company type name — complete date — dba — description State Registration #: 24-006767 expected end date — expire date 2099-12-31T00:00:00 final date — holder company name — holder first name — holder last name — holder middle name — issue date 2025-03-25T16:00:44.48 last audit date — license year — main parcel — module name 9 opened date — project name — request date — schedule date — start date — tax id — Source: winfield ks business licenses · document dtx-licenses/8a6176b20dd03815e5620763
Alaska	—	—	2024-06-10	Active

Florida	CCC-001465-2026	Contractor - Roofing Certified	2026-04-21	Void
address CountryTypeId: 0 · CountryTypeName: US · StreetTypeName: DR · AddressTypeName: Location · City: Chicago · StateName: IL · PostalCode: 60631 · IsMain: true · FullAddress: DR Chicago IL 60631 address display DR Chicago IL 60631 apply date 2026-04-21T16:07:52.823 business id — business status — business type name — case id 0fe63862-354a-48a5-b63a-4c6b68fa4814 case number CCC-001465-2026 case status Void case status id — case type Contractor - Roofing Certified case type id — case workclass Contractor - Roofing Certified case workclass id — closed date — company name OSR Holding Company LLC dba O'Hara's Son Roofing Comany LLC company type name — complete date — dba — description Roofing Contractor expected end date — expire date — final date — holder company name — holder first name — holder last name — holder middle name — issue date — last audit date — license year — main parcel — module name 9 opened date — project name — request date — schedule date — start date — tax id — Source: hernando county fl business licenses · document dtx-licenses/50627c29007edb9c0283ea1c

E-Verify

1 record

Source: USCIS everify employers·verified at source

State	Workforce	Hiring sites	Enrolled	Industry	Status
5 states	100 to 499	6	5/9/2024	CONSTRUCTION (23)	Open

401(k)

6 records

Source: DOL Form 5500 series (EBSA) · DOL form 5500·verified at source

Employee-benefit plan filings by OSR Holding Company LLC with the Department of Labor. Employee and revenue figures are modeled estimates derived from retirement-plan participant counts and industry ratios — not official headcount or reported revenue.

Employees (modeled)	≈201 · plan year 2025
Est. annual revenue (modeled)	$46.8M
Retirement plan assets	$5.6M
Benefit plans	401(k) plan on file
Filing history	3 plan years filed, 2023–2025
Sponsor EIN	99-1311502

$20M

2023

$28M

2024

$46.8M

2025

Modeled annual revenue for OSR Holding Company LLC by plan year, estimated from Form 5500 participant counts.

Plan year	Employees (est.)	Participants	Plan assets	Revenue (est.)	401(k)
2025	≈201	186 (181 active)	$5.6M	$46.8M	401(k)
active participants 181 ein 991311502 employees est 201 employer contrib usd 281848 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true last received 2026-06-25 naics 238100 naics rpe level 2381 naics rpe usd 287508.6 name OSR HOLDING COMPANY LLC DBA OHA participant contrib usd 589874 payroll est usd 8426771 plan assets usd 5588129 plan count 1 revenue est headcount usd 57789229 revenue est payroll usd 37822134 revenue est usd 46751599 signer name SHIRLEY HORNER state IL total participants 186 year 2025 Source: DOL Form 5500 series (EBSA) · plan year 2025 · EIN 99-1311502
2024	≈87	81 (78 active)	$2.2M	$28M	401(k)
active participants 78 ein 991311502 employees est 87 employer contrib usd 250973 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true last received 2025-06-09 naics 238100 naics rpe level 2381 naics rpe usd 287508.6 name OSR HOLDING COMPANY LLC DBA OHA participant contrib usd 488234 payroll est usd 6974771 plan assets usd 2237672 plan count 1 revenue est headcount usd 25013248 revenue est payroll usd 31305078 revenue est usd 27982882 signer name SHIRLEY HORNER state IL total participants 81 year 2024 Source: DOL Form 5500 series (EBSA) · plan year 2024 · EIN 99-1311502
2023	≈67	61 (60 active)	$1.6M	$20M	401(k)
active participants 60 ein 991311502 employees est 67 employer contrib usd 156239 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true last received 2024-07-08 naics 238100 naics rpe level 2381 naics rpe usd 287508.6 name OSR HOLDING COMPANY LLC DBA OHA participant contrib usd 324133 payroll est usd 4630471 plan assets usd 1610794 plan count 1 revenue est headcount usd 19263076 revenue est payroll usd 20783085 revenue est usd 20008652 signer name AMINA BENALIOULHAJ state IL total participants 61 year 2023 Source: DOL Form 5500 series (EBSA) · plan year 2023 · EIN 99-1311502

Matched Form 5500 filing records:

Plan	Plan year	Participants	EIN
O'HARA'S SON ROOFING 401(K) PLAN	—	—	—
ack id 20260625163642NAL0009088689001 admin ein — admin name — business code 238100 date received 2026-06-25 filing status FILING_RECEIVED filing year 2025 form type 5500_SF is 401k plan — pension benefit code 2E2F2G2J2K2T3D3H plan effective date 2015-01-01 plan name O'HARA'S SON ROOFING 401(K) PLAN plan number 001 plan year begin date 2025-01-01 sponsor address1 6437 N AVONDALE AVE sponsor address2 — sponsor city CHICAGO sponsor dba name — sponsor ein 991311502 sponsor name OSR HOLDING COMPANY LLC DBA OHA sponsor phone 7733501893 sponsor state IL sponsor zip 60631 tax period 2025-12-31 total assets boy 2237672 total assets eoy 5588129 total participants boy 186 welfare benefit code — Source: DOL form 5500 · document dol-5500/
O'HARA'S SON ROOFING 401(K) PLAN	—	—	—
ack id 20250609143233NAL0014339281001 admin ein — admin name — business code 238100 date received 2025-06-09 filing status FILING_RECEIVED filing year 2024 form type 5500_SF is 401k plan — pension benefit code 2E2F2G2J2K2T3D plan effective date 2015-01-01 plan name O'HARA'S SON ROOFING 401(K) PLAN plan number 001 plan year begin date 2024-01-01 sponsor address1 6437 N AVONDALE AVE sponsor address2 — sponsor city CHICAGO sponsor dba name — sponsor ein 991311502 sponsor name OSR HOLDING COMPANY LLC DBA OHA sponsor phone 8472553600 sponsor state IL sponsor zip 60631 tax period 2024-12-31 total assets boy 1610794 total assets eoy 2237672 total participants boy 81 welfare benefit code — Source: DOL form 5500 · document dol-5500/
O'HARA'S SON ROOFING 401(K) PLAN	—	—	—
ack id 20240708160318NAL0008093507001 admin ein — admin name — business code 238100 date received 2024-07-08 filing status FILING_RECEIVED filing year 2023 form type 5500_SF is 401k plan — pension benefit code 2E2F2G2J2K2T3D plan effective date 2015-01-01 plan name O'HARA'S SON ROOFING 401(K) PLAN plan number 001 plan year begin date 2023-01-01 sponsor address1 6437 N AVONDALE AVE sponsor address2 — sponsor city CHICAGO sponsor dba name — sponsor ein 991311502 sponsor name OSR HOLDING COMPANY LLC DBA OHA sponsor phone 8472553600 sponsor state IL sponsor zip 60631 tax period 2023-12-31 total assets boy 908440 total assets eoy 1610794 total participants boy 61 welfare benefit code — Source: DOL form 5500 · document dol-5500/

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