NAICS Codes
811310
Commercial and Industrial Machinery and Equipment Repair and Maintenance
488119
Other Airport Operations
​
​
​
238220
Plumbing, Heating, and Air-Conditioning Contractors
811111
General Automotive Repair
488190
Other Support Activities for Air Transportation
​
​
488190
Other Support Activities for Air Transportation
​
​
238290
Other Building Equipment Contractors
561210
Facilities Support Services
​
​
​
236220
Other Support Activities for Air Transportation
​
541614
Process, Physical Distribution, and Logistics Consulting Services
541611
Administrative Management and General Management Consulting Services
​
237110
Water and Sewer Line and Related Structures Construction
336413
Other Aircraft Parts and Auxiliary Equipment Manufacturing
541330
Engineering Services
​
​
​
​
237310
Highway, Street, and Bridge Construction
541990
All Other Professional, Scientific, and Technical Services
493110
General Warehousing and Storage
​
​
​
237990
Other Heavy and Civil Engineering Construction
561110
Office Administrative Services