Industries

Federal contracting by industry

20 NAICS codes where the government spends the most on contracts. Each page ranks the top vendors by obligation in the current fiscal year.

• 541511Custom Computer Programming Services
• 541512Computer Systems Design Services
• 541513Computer Facilities Management Services
• 541519Other Computer Related Services
• 541611Administrative Management Consulting Services
• 541330Engineering Services
• 541715Physical, Engineering & Life Sciences R&D
• 541690Other Scientific & Technical Consulting Services
• 541990All Other Professional & Technical Services
• 236220Commercial & Institutional Building Construction
• 561210Facilities Support Services
• 517111Wired Telecommunications Carriers
• 561612Security Guards & Patrol Services
• 238220Plumbing, Heating & Air-Conditioning Contractors
• 336411Aircraft Manufacturing
• 336414Guided Missile & Space Vehicle Manufacturing
• 325412Pharmaceutical Preparation Manufacturing
• 621111Offices of Physicians
• 561110Office Administrative Services
• 811210Electronic & Precision Equipment Repair