Top Companies Headquartered in Maryland

Black & Decker Corp.
Annual Revenue: $6.4 billion
Industry: Manufacturing

Constellation Energy Group Inc.
Annual Revenue: $19.3 billion
Industry: Energy

Legg Mason Inc.*
Annual Revenue: $4.3 billion
Industry: Financial Services

McCormick & Co.
Annual Revenue: $2.7 billion
Industry: Manufacturing

T. Rowe Price Group Inc.
Annual Revenue: $1.8 billion
Industry: Financial Services