Is LAMBERSON KOSTER & COMPANY active?

No — LAMBERSON KOSTER & COMPANY is no longer active. The South Dakota registry lists it as inactive, as of the 2026-06-17 source snapshot. The status is republished verbatim from the Secretary of State record.

Where is LAMBERSON KOSTER & COMPANY registered?

LAMBERSON KOSTER & COMPANY is registered in South Dakota under company number FB015902, first registered on March 8, 1993.

What type of company is LAMBERSON KOSTER & COMPANY?

LAMBERSON KOSTER & COMPANY is registered as a corporation with the South Dakota Secretary of State.

Where is LAMBERSON KOSTER & COMPANY 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 41 other state registers, including 38 foreign qualifications in Alabama, Arkansas, Arizona, Colorado, Delaware, Florida, Hawaii, Kansas, Kentucky, Massachusetts and 20 more. Each is listed in the filings section above.

Does LAMBERSON KOSTER & COMPANY have UCC liens?

No UCC financing statements name LAMBERSON KOSTER & COMPANY as debtor in the indexed state registries.

In which states is LAMBERSON KOSTER & COMPANY registered with the Secretary of State?

LAMBERSON KOSTER & COMPANY appears in 32 state business registers: South Dakota, Alabama, Arkansas, Arizona, California, Colorado, Delaware, Florida, Hawaii, Kansas, Kentucky, Massachusetts and 20 more. South Dakota is the home registration; the rest are foreign qualifications or linked filings, each listed in the filings section above.

Is LAMBERSON KOSTER & COMPANY a federal contractor?

No federal contract awards or SAM.gov recipient records are matched to LAMBERSON KOSTER & COMPANY in the indexed federal datasets.

Does LAMBERSON KOSTER & COMPANY hold any licenses?

No occupational or professional license records are matched to LAMBERSON KOSTER & COMPANY in the indexed federal, state and municipal license registries.

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: 2026-06-17).

LAMBERSON KOSTER & COMPANY — South Dakota Corporation No. FB015902: Inactive, 1 filing

LAMBERSON KOSTER & COMPANY is a South Dakota corporation, registered on March 8, 1993. It is based at 580 CALIFORNIA ST #1100, SAN FRANCISCO, CA, 94104-1032. The company has since been marked inactive on the South Dakota register and is registered under company number FB015902. Public records for the company include 1 SoS registration. Every fact here is republished from an official public register and traces back to a primary source document.

Public records
Legal entity name	LAMBERSON KOSTER & COMPANY
Principal address	580 CALIFORNIA ST #1100SAN FRANCISCO94104-1032CAUnited States
Registration state	South Dakota
Status	Inactive
Formed in	California (foreign registration)
Home company	LAMBERSON KOSTER & COMPANY · Merged
Registered	8 March 1993 (over 33 years ago)
Entity type	Corporation
Standing	not compliant
Company number	FB015902
Registered agent	BRENT A. WILBUR
Source registry	South Dakota Secretary of State · updated 15 June 2026

State	Business name	Filed	Registered agent	Officers	Status
South DakotaTHIS	LAMBERSON KOSTER & COMPANY	1993-03-08	BRENT A. WILBUR	—	Inactive
Filing ID FB015902 Jurisdiction Foreign · CorporationFormed in California Principal address 580 CALIFORNIA ST #1100, SAN FRANCISCO, CA, 94104-1032 Registered agent BRENT A. WILBUR503 S PIERRE ST, PIERRE, SD, 57501-4522 Officers Not reported
—	LAMBERSON KOSTER & COMPANY	2007-09-28	THE PRENTICE-HALL CORPORATION SYSTEM, PUERTO RICO, INC	—	Dissolved

Alabama	Lamberson Koster & Company, Inc.	2002-06-19	CSC LAWYERS INCORPORATING SVC INC	—	Withdrawn

Arkansas	LAMBERSON KOSTER & COMPANY	1997-05-30	CORPORATION SERVICE COMPANY	RICHARD C. CARYOfficerDOUGLAS B. BOWRINGOfficer5 more	Merged

Arkansas	LAMBERSON KOSTER & COMPANY	1993-01-08	AGENT RESIGNED	SEE FILEOfficerJOHN KOSTEROfficer2 more	Withdrawn

Arizona	LAMBERSON KOSTER & COMPANY INC.	1998-03-05	CORPORATION SERVICE COMPANY	JAMES S GAULTDirectorPAUL F WASIKOWSKIOfficer5 more	Inactive
Filing ID F08340170 Jurisdiction Foreign · CorporationFormed in California Principal address CORPORATION SERVICE COMPANY 2338 W ROYAL PALM RD STE-J, PHOENIX, AZ, 85021 Registered agent CORPORATION SERVICE COMPANY2338 W ROYAL PALM RD STE-J, PHOENIX, AZ, 85021 Officers JAMES S GAULTDirector PAUL F WASIKOWSKIOfficer JACK H LAZZAROOfficer LISA A COYNEOfficer DAVID E MCGURN JRDirector DOUGLAS B BOWINGOfficer JOHN C ROSENGRENOfficer Open profile
California	LAMBERSON KOSTER & COMPANY	1997-01-16	CORPORATION SERVICE COMPANY WHICH WILL DO BUSINESS IN CALIFORNIA AS CSC - LAWYERS INCORPORATING SERVICE	JOHN C C ROSENGRENOfficerJACK H LAZZAROOfficer3 more	Merged
Filing ID 1999211 Jurisdiction Domestic · Corporation Principal address 580 CALIFORNIA STREET, SAN FRANCISCO, CA, 94101, United States Registered agent CORPORATION SERVICE COMPANY WHICH WILL DO BUSINESS IN CALIFORNIA AS CSC - LAWYERS INCORPORATING SERVICE2710 GATEWAY OAKS DR STE 150N, SACRAMENTO, CA, 95833 Officers JOHN C C ROSENGRENOfficer JACK H LAZZAROOfficer DAVID E MCGURN JRDirector DOUGLAS B BOWRINGOfficer JAMES S GAULTDirector Open profile
Colorado	LAMBERSON KOSTER & COMPANY	1998-08-20	PRENTICE-HALL CORP SYSTEM INC	—	Withdrawn

Delaware	LAMBERSON KOSTER & COMPANY	2000-04-20	CORPORATION SERVICE COMPANY	—	Unknown

Florida	LAMBERSON KOSTER & COMPANY INC.	2006-08-16	JOHN D HATCH	CHRISTINE GREBOfficerDOUGLAS BOWRINGOfficer4 more	Inactive

Hawaii	LAMBERSON KOSTER & COMPANY	2004-07-08	CORPORATION SERVICE COMPANY	ROSENGREN,JOHN COfficerLAZZARO,JACK HOfficer5 more	Merged
Filing ID 32799F1 Jurisdiction Foreign · CorporationFormed in California Principal address 580 CALIFORNIA ST, SAN FRANCISCO, California, 94104, US Registered agent CORPORATION SERVICE COMPANY1003 BISHOP STREET, SUITE 1600 PAUAHI TOWER, HONOLULU, Hawaii, 96813 Officers ROSENGREN,JOHN COfficer LAZZARO,JACK HOfficer GAULT,JAMES SDirector WASIKOWSKI,PAUL FOfficer COYNE,LISA AOfficer MCGURN,DAVID E JRDirector BOWRING,DOUGLAS BOfficer Open profile
Kansas	LAMBERSON KOSTER & COMPANY	2000-04-19	CORPORATION SERVICE COMPANY	—	Merged

Kentucky	LAMBERSON KOSTER & COMPANY	2000-04-19	KY SECRETARY OF STATE	DOUGLAS B BOWRINGOfficerJOHN C ROSENGRENOfficer2 more	Inactive

Massachusetts	LAMBERSON KOSTER & COMPANY	2004-01-07	CORPORATION SERVICE COMPANY	DOUGLAS B BOWRINGOfficerPETER J DURKALSKIOfficer5 more	Inactive

Maryland	LAMBERSON KOSTER & COMPANY	1993-11-22	EDWARD N BUTTON	—	Dissolved

Maryland	LAMBERSON KOSTER COMPANY, A/K/A, LAMBERSON KOSTER & COMPANY	1997-05-03	CSC-LAWYERS INCORPORATING SERVICE COMPANY	—	Merged

Minnesota	Lamberson Koster & Company	1997-05-27	Corporation Service Company	Douglas BowringOfficer	Inactive

Minnesota	Lamberson Koster & Company	1993-03-09	Messerli & Kramer	—	Inactive

Missouri	LAMBERSON KOSTER & COMPANY	1997-04-09	CSC-LAWYERS INCORPORATING SERVICE COMPANY	—	Merged

Missouri	LAMBERSON KOSTER & COMPANY	1993-03-08	MR. E. R. TURPIN	—	Dissolved

Montana	LAMBERSON KOSTER & COMPANY	1997-04-17	—	JOHN C ROSENGRENOfficerSCOTT R WHITESIDEOfficer9 more	Withdrawn
Filing ID F029589 Jurisdiction Foreign · CorporationFormed in California Principal address 580 CALIFORNIA ST, SAN FRANCISCO, CA, 94104-0000 Registered agent — Officers JOHN C ROSENGRENOfficer SCOTT R WHITESIDEOfficer SUSAN T HECKEROfficer JACK H LAZZAROOfficer DOUGLAS B BOWRINGOfficer JAMES S GAULTDirector JOEL C KORNREICHOfficer PETER J DURKALSKIOfficer DOUGLAS K HOWELLOfficer PAUL F WASIKOWSKIOfficer DAVID E MCGURNDirector Open profile
Montana	LAMBERSON KOSTER & COMPANY	1992-11-12	CHADWICK H SMITH	TERRY J MOUGHANDirector, OfficerDONNA M GERGURICHOfficer6 more	Withdrawn
Filing ID F023580 Jurisdiction Foreign · CorporationFormed in California Principal address 580 CALIFORNIA ST #1100, SAN FRANCISCO, CA, 94104-0000 Registered agent CHADWICK H SMITH26 W 6TH AVE, HELENA, MT, 59624-1691 Officers TERRY J MOUGHANDirector, Officer DONNA M GERGURICHOfficer VIRGINIA L LAMBERSONDirector RICHARD A CORSETTIDirector JOHN E KOSTERDirector, Officer JACK M WOODRUFFOfficer LYNN WEISOfficer SCOTT R WHITESIDEDirector Open profile
North Carolina	Lamberson Koster & Company	2000-04-20	CSC - Delaware	Durkalski, Peter JOfficerWasikowski, Paul FOfficer5 more	Withdrawn
Filing ID 0545567 Jurisdiction Foreign · CorporationFormed in California Principal address 327 Hillsborough Street, Raleigh, NC, 27603, United States Registered agent CSC - Delaware2626 Glenwood Ave Ste 550, Raleigh, NC, 27608 Officers Durkalski, Peter JOfficer Wasikowski, Paul FOfficer Howell, Douglas KOfficer Rosengren, John COfficer Coyne, Lisa AOfficer Bowring, Douglas BOfficer Lazzaro, Jack HOfficer Open profile
North Dakota	LAMBERSON KOSTER & COMPANY	2000-05-09	ND Secretary of State (N.D.C.C. § 10-01.1-13)	—	Merged

North Dakota	LAMBERSON KOSTER & COMPANY	1993-11-23	ND Secretary of State (N.D.C.C. § 10-01.1-13)	—	Dissolved

New Mexico	LAMBERSON KOSTER & COMPANY	2000-04-20	MERGED OUT OF EXISTENCE	—	Merged

Nevada	LAMBERSON KOSTER & COMPANY	1997-04-08	SECRETARY OF STATE	DOUGLAS B BOWRINGOfficerJAMES S GAULTDirector3 more	Merged

New York	LAMBERSON KOSTER & COMPANY	2000-04-24	CORPORATION SERVICE COMPANY	LAMBERSON KOSTER & COMPANYOfficerDOUGLAS B BOWRINGOfficer	Dissolved

Ohio	LAMBERSON KOSTER & COMPANY	2000-04-20	CSC-LAWYERS INCORPORATING SERVICE (CORPORATION SERVICE COMPANY)	—	Dissolved

Oklahoma	LAMBERSON KOSTER & COMPANY	2000-11-22	CORPORATION SERVICE COMPANY	—	Merged

Pennsylvania	LAMBERSON KOSTER & COMPANY	2002-08-13	—	JACK H LAZZAROOfficerPAUL R WASIKOWSKIOfficer2 more	Canceled

South Carolina	LAMBERSON KOSTER & COMPANY	1997-04-11	CORPORATION SERVICE CO	—	Merged

South Carolina	LAMBERSON KOSTER & COMPANY	1993-02-11	S TUCKER MCCRAVY	—	Inactive

South Dakota	LAMBERSON KOSTER & COMPANY	1998-08-24	THE PRENTICE-HALL CORPORATION SYSTEM, INC	—	Inactive

Texas	Lamberson Koster & Company	2002-05-28	Corporation Service Company dba CSC - Lawyers Incorporating Service Company	RICHARD C CARYOfficerPETER J DURKALSKIOfficer12 more	Dissolved
Filing ID 0800087792 Jurisdiction Foreign · CorporationFormed in California Principal address TWO PIERCE PLACE 23RD FLOOR, ITASCA, IL, 60143, USA Registered agent Corporation Service Company dba CSC - Lawyers Incorporating Service Company701 Brazos Street, Suite 1050, Austin, TX, 78701 Officers RICHARD C CARYOfficer PETER J DURKALSKIOfficer LISA A COYNEOfficer JOHN C ROSENGRENOfficer JACK H LAZZAROOfficer PAUL F WASIKOWSKIOfficer DAVID E MC GURN JrDirector JAMES S GAULTDirector DOUGLAS K HOWELLOfficer LORI PETRUSAITISOfficer DOUGLAS B BOWRINGOfficer JOEL C KORNREICHOfficer SCOTT R WHITESIDEOfficer SUSAN T HECKEROfficer Open profile
Utah	LAMBERSON KOSTER & COMPANY	1992-11-12	CORPORATION SERVICE COMPANY	JOHN R LAMBERSONDirector, OfficerTERRY J MOUGHANDirector3 more	Inactive

Virginia	Lamberson Koster & Company	2000-04-19	CORPORATION SERVICE COMPANY	PAUL F WASIKOWSKIOfficerJAMES S GAULTOfficer3 more	Inactive

Vermont	LAMBERSON KOSTER & COMPANY	2003-07-15	CORPORATION SERVICE COMPANY	JAMES S GAULTDirectorDOUG B BOWRINGOfficer4 more	Inactive

Washington	LAMBERSON KOSTER & COMPANY	1999-05-04	CORPORATION SERVICE COMPANY	DAVID MCGURNDirectorSUSAN HECKERDirector4 more	Dissolved

West Virginia	LAMBERSON KOSTER & COMPANY	2003-09-08	RUSS VAN PERVLIET	JACK H. LAZZAROOfficerJAMES S. GAULTDirector4 more	Merged

Wyoming	Lamberson Koster & Company	1992-11-13	No Agent	—	Revoked

Wyoming	Lamberson Koster & Company	2000-04-19	Corporation Service Company	Jack H. LazzaroOfficerJoel C KornreichOfficer3 more	Merged

State

Business name

Filed

Registered agent

Officers

Status

South DakotaTHIS

LAMBERSON KOSTER & COMPANY

1993-03-08

BRENT A. WILBUR

—

Inactive

Filing ID

FB015902

Jurisdiction

Foreign · CorporationFormed in California

Principal address

580 CALIFORNIA ST #1100, SAN FRANCISCO, CA, 94104-1032

Registered agent

BRENT A. WILBUR503 S PIERRE ST, PIERRE, SD, 57501-4522

Officers

Not reported

—

LAMBERSON KOSTER & COMPANY

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