CSL BEHRING L.L.C. is a South Dakota LLC, registered on December 12, 2006. It is based at 1020 1st Ave, King of Prussia, PA, 19406. The company is currently listed as active on the South Dakota register, is registered under company number FL003243 and carries EIN 232809344. Public records for the company include 1 SoS registration, 10 UCC liens, 2 federal contracts and 160 H-1B filings. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | CSL BEHRING L.L.C. |
|---|---|
| Principal address | 1020 1st AveKing of Prussia19406PAUnited States |
| Registration state | South Dakota |
| Status | Active |
| Formed in | Delaware (foreign registration) |
| Home company | CSL BEHRING L.L.C. |
| Registered | 12 December 2006 (over 19 years ago) |
| Entity type | LLC |
| Standing | compliant |
| Company number | FL003243 |
| EIN | 232809344 |
| LEI | 529900IF9913E0BG2P87 |
| Employees (modeled) | ≈12,400 employees2025 |
| H-1B filings | 160 LCA filings, FY 2016–2025 |
|---|
| Registered agent | C T CORPORATION SYSTEM |
|---|
| Source registry | South Dakota Secretary of State · updated 15 June 2026 |
|---|
| Public records | 1 SoS registration · 10 UCC liens on file |
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| Est. revenue (modeled) | $9.3B2025 |
|---|---|
| Federal contractor | Yes · 2 federal recipient records (SAM) |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | CSL BEHRING L.L.C. | 2006-12-12 | C T CORPORATION SYSTEM | — | Active | |
Filing ID FL003243 Jurisdiction Foreign · LLCFormed in Delaware Principal address 1020 1st Ave, King of Prussia, PA, 19406 Registered agent C T CORPORATION SYSTEM319 S COTEAU ST, PIERRE, SD, 57501-3187 Officers Not reported | ||||||
| — | CSL BEHRING L.L.C. | 2007-01-18 | C.T. CORPORATION SYSTEM | Greg BossOfficerPeter TurnerOfficer1 more | Canceled | |
| Arizona | CSL BEHRING L.L.C. | 2018-06-20 | C T CORPORATION SYSTEM | KAREN ETCHBERGERManagerGREGORY A. BOSSManager1 more | Active | |
| California | CSL BEHRING, L.L.C. | 2018-06-20 | C T CORPORATION SYSTEM | Gregory Allan BossManagerAoife DeaneManager5 more | Active | |
| Connecticut | CSL BEHRING L.L.C. | 2016-01-20 | CORPORATION SERVICE COMPANY | ROBERT REPELLAOfficerMichael Fred DeemOfficer6 more | Active | |
| Delaware | CSL BEHRING L.L.C. | 1995-05-15 | THE CORPORATION TRUST COMPANY | — | Unknown | |
| Florida | CSL BEHRING L.L.C. | 2015-11-18 | C T CORPORATION SYSTEM | KAREN NEAVEOfficerKAREN ETCHBERGEROfficer7 more | Active | |
| Illinois | CSL BEHRING L.L.C. | 1996-03-05 | C T CORPORATION SYSTEM | DEEM, MICHAEL FREDManagerDEANE, AOIFEManager1 more | Active | |
| Massachusetts | CSL BEHRING L.L.C. | 2015-06-02 | C T CORPORATION SYSTEM | Gregory Allan BossManagerMichael Fred DeemManager3 more | Active | |
| Maryland | CSL BEHRING L.L.C | 2016-07-01 | THE CORPORATION TRUST INCORPORATED | — | Active | |
| Maine | CSL BEHRING L.L.C. | 2016-01-15 | C T CORPORATION SYSTEM | — | Active | |
| Montana | CSL BEHRING L.L.C. | 2011-02-28 | C T CORPORATION SYSTEM | PAUL PERREAULTManagerGORDON NAYLORManager | Revoked | |
| North Carolina | CSL Behring L.L.C. | 2020-08-21 | CT Corporation System | Deem, Michael FredManagerDeane, AoifeManager2 more | Active | |
| North Dakota | CSL BEHRING L.L.C. | 2009-11-27 | ND Secretary of State (N.D.C.C. § 10-01.1-13) | — | Dissolved | |
| North Dakota | CSL BEHRING L.L.C. | 2017-05-18 | C T CORPORATION SYSTEM | — | Active | |
| New Hampshire | CSL BEHRING L.L.C. | 2026-05-29 | C T Corporation System | Michael Fred DeemManagerGregory Allan BossManager1 more | Active | |
| New Mexico | CSL Behring L.L.C. | 2019-02-05 | C T CORPORATION SYSTEM | Karen EtchbergerManagerKaren NeaveManager2 more | Active | |
| New York | CSL BEHRING L.L.C. | 1996-10-16 | C T CORPORATION SYSTEM | — | Active | |
| Ohio | CSL BEHRING L.L.C. | 1996-09-30 | CT CORPORATION SYSTEM | — | Active | |
| Oregon | CSL BEHRING L.L.C. | 2006-05-19 | C T CORPORATION SYSTEM | GREGORY BESSMember | Inactive | |
| Oregon | CSL BEHRING, L.L.C. | 2018-03-28 | C T CORPORATION SYSTEM | GREGORY ALLAN BOSSManagerMICHAEL FRED DEEMManager1 more | Active | |
| Pennsylvania | CSL Behring L.L.C. | 1996-09-27 | — | Aoife DeaneDirectorGregory Allan BossDirector1 more | Active | |
| Rhode Island | CSL Behring, L.L.C. | 2020-07-31 | CT CORPORATION SYSTEM | — | Active | |
| Vermont | CSL BEHRING, L.L.C. | 2017-05-02 | C T CORPORATION SYSTEM | Michael Fred DeemManagerGregory Allan BossManager1 more | Active | |
Companies and people linked to CSL BEHRING L.L.C. in the state registers through shared officers, a shared registered agent, shared filing contacts or a shared address. Service companies file for many unrelated businesses — a shared agent, address or contact alone does not prove affiliation.
company person group former role
| Case | Filed | Job title | Wage | Worksite | Status | |
|---|---|---|---|---|---|---|
| I-200-25265-326250 | 2025-09-22 | Data Scientist | $159,217/yr | Redmond | Certified | |
| I-200-25261-320014 | 2025-09-18 | Senior Manager, Business Systems Architect, GCSP | $153,300/yr | King of Prussia | Certified | |
| I-200-25223-234275 | 2025-08-11 | Senior Manager, Clinical Data Integration and Standards | $156,441/yr | King of Prussia | Certified | |
| I-200-25195-173604 | 2025-07-14 | Utilities Engineer | $110,000/yr | Bradley | Certified | |
| I-200-25189-159286 | 2025-07-08 | Senior Tax Analyst | $111,936/yr | King of Prussia | Certified | |
| I-200-24141-014263 | 2024-05-20 | Compliance Engineering Specialist | $110,000/yr | Bradley | Certified - Withdrawn | |
| I-200-22266-492010 | 2022-09-23 | Senior Clinical Programmer | $137,675/yr | King of Prussia | Certified | |
| I-200-22252-464663 | 2022-09-09 | Senior Tax Analyst | $105,000/yr | King of Prussia | Certified | |
| I-200-22251-461499 | 2022-09-08 | Senior Validation Advisor | $111,638/yr | Pasadena | Certified | |
| I-200-22223-412587 | 2022-08-11 | System Owner | $93,070/yr | Bradley | Certified | |
Showing the latest 100 of 160 records.
Employee-benefit plan filings by CSL BEHRING L.L.C. 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) | ≈12,400 · plan year 2025 |
|---|---|
| Est. annual revenue (modeled) | $9.3B |
| Benefit plans | 401(k) plan on file |
| Filing history | 27 plan years filed, 1999–2025 |
| Sponsor EIN | 23-2809344 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2025 | ≈12,400 | 12,585 (11,137 active) | — | $9.3B | Welfare | |
| 2024 | ≈21,000 | 19,420 (18,873 active) | $36.8M | $15.8B | Pension | |
| 2023 | ≈21,500 | 20,453 (19,365 active) | $39.5M | $16.2B | Pension | |
| 2022 | ≈22,400 | 15,749 (20,117 active) | $40.4M | $16.8B | Pension | |
| 2021 | ≈15,800 | 13,435 (14,220 active) | $54.5M | $11.9B | Pension | |
| 2020 | ≈15,100 | 13,525 (13,558 active) | $71.8M | $11.3B | Pension | |
| 2019 | ≈14,400 | 12,529 (12,972 active) | $65.7M | $10.8B | Pension | |
| 2018 | ≈12,700 | 10,347 (11,436 active) | $58.2M | $1.7B | Pension | |
| 2017 | ≈10,500 | 8,059 (9,420 active) | $61.6M | $1.6B | Pension | |
| 2016 | ≈8,200 | 7,069 (7,381 active) | $54.7M | $1.7B | Pension | |
Federal court records load when you reach this section.
Companies adjacent to CSL BEHRING L.L.C. in the South Dakota Secretary of State register, in alphabetical order.
11 companies are registered at 1020 1st Ave, King of Prussia — shared registered-office and agent addresses are common; a shared address alone does not link businesses.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-06-08. Document getpalm-companies/8003-9778-1161.