EPA Air · inspections by state, industry and year

Support activities for transportation (NAICS 4882): inspections in Mississippi, 2025

• 3Inspections

A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row is one inspection recorded during 2025 at a Mississippi source whose primary industry code is NAICS 4882. A facility filing more than one industry code is counted under the first one on its record.

Other industries in Mississippi, 2025

• Pipeline transportation (NAICS 4862) 20
• Wood product manufacturing (NAICS 3211) 18
• Oil and gas extraction (NAICS 2111) 15
• Utilities (NAICS 2212) 12
• NAICS 9999 11
• Waste management and remediation (NAICS 5622) 10
• Utilities (NAICS 2211) 9
• Plastics and rubber products manufacturing (NAICS 3261) 7
• Transportation equipment manufacturing (NAICS 3362) 7
• Mining and quarrying (NAICS 2123) 7
• Transportation equipment manufacturing (NAICS 3366) 7
• Chemical manufacturing (NAICS 3251) 6
• Plastics and rubber products manufacturing (NAICS 3262) 6
• Wood product manufacturing (NAICS 3219) 5
• Paper manufacturing (NAICS 3221) 4
• Nonmetallic mineral product manufacturing (NAICS 3279) 4
• Machinery manufacturing (NAICS 3339) 3
• Merchant wholesalers, nondurable goods (NAICS 4247) 3
• Petroleum and coal products manufacturing (NAICS 3241) 3
• Warehousing and storage (NAICS 4931) 3
• Chemical manufacturing (NAICS 3252) 3
• Wood product manufacturing (NAICS 3212) 3
• Chemical manufacturing (NAICS 3259) 3
• Fabricated metal product manufacturing (NAICS 3328) 3
• Food manufacturing (NAICS 3116) 3
• Chemical manufacturing (NAICS 3253) 3

Air-emissions inspections recorded in Mississippi, 2025

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.