# LANDMARK SYSTEMS CORP

LANDMARK SYSTEMS CORP is a company headquartered in Reston, VA, United States.

## Company overview

- **Legal name:** LANDMARK SYSTEMS CORP
- **Classification:** Company
- **Industry (SIC):** 7372 — Services-Prepackaged Software
- **Headquarters:** Reston, VA, United States
- **Incorporated in:** VA
- **Fiscal year end:** December 31
- **SEC CIK:** 0000854418

## About

LANDMARK SYSTEMS CORP is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000854418, and its reported industry is Services-Prepackaged Software. The retained history contains 12 filings, including 8-K filed on 2002-02-20. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form 8-K — filed 2002-02-20 — period 2002-02-19 — FORM 8-K
- Form SC 13D — filed 2001-12-17 — ALLEN SYSTEMS GROUP, INC. SCHEDULE 13D
- Form 8-K — filed 2001-12-10 — period 2001-12-06 — CURRENT REPORT
- Form 10-K/A — filed 2001-12-04 — period 2000-12-31 — ANNUAL REPORT AMENDMENT
- Form 10-Q — filed 2001-11-14 — period 2001-09-30 — FORM 10-Q
- Form 10-Q — filed 2001-08-20 — period 2001-06-30 — QUARTERLY REPORT ENDED JUNE 30, 2001
- Form 8-K — filed 2001-08-10 — period 2001-08-09 — FORM 8-K
- Form SC 13G — filed 2001-07-24 — LANDMARK SYSTEMS 13G
- Form 10-Q — filed 2001-05-14 — period 2001-03-31 — FORM 10-Q
- Form DEF 14A — filed 2001-04-26 — period 2001-05-09 — LANDMARK SYSTEMS CORP. DEFINITIVE PROXY STATEMENT
- Form SC 13G — filed 2001-02-15
- Form SC 13G — filed 2001-02-13

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Updated: 2026-10-23T22:36:19Z

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