MD · United States380K+ registered entities900 SEC-listed companies
Maryland Companies — SEC EDGAR Data
Maryland — particularly the Baltimore-Washington corridor — is dominated by federal government contractors, cybersecurity firms, and biotech companies. Leidos, Booz Allen (registered VA), and hundreds of cleared defense contractors cluster around NSA, NIH, and federal agencies in the region.
Incorporation note — Federal government and defense contractor hub. Major biotech cluster (NIH proximity).
Search Maryland companiesRegistered entities
380K+
SEC-listed companies
900+
Primary registry
SEC EDGAR
State registry
Maryland State Department
Notable Maryland Companies
LeidosT. Rowe PriceMarriott InternationalLockheed Martin (cyber)Under Armour
What SEC data is available for Maryland companies?
✓Company name & CIK number
✓State of incorporation
✓SIC industry code
✓Fiscal year end date
✓Ticker symbol (if listed)
✓10-K annual report filings
✓10-Q quarterly financials
✓8-K material event filings
✓XBRL structured financial data
✓Revenue & net income history
✓Institutional holdings (13F)
✓Insider ownership & transactions
Maryland Company Registry
State registry: Maryland State Department of Assessments and Taxation
Federal registry: SEC EDGAR — all publicly listed companies file 10-K, 10-Q, 8-K, and proxy statements regardless of state of incorporation.