EPA Air · inspections by state, industry and year

Transportation equipment manufacturing (NAICS 3366): inspections in Massachusetts, 2025

• 5Inspections

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 Massachusetts source whose primary industry code is NAICS 3366. A facility filing more than one industry code is counted under the first one on its record.

Transportation equipment manufacturing (NAICS 3366) in Massachusetts, other years

• 2026 4
• 2024 4
• 2023 6
• 2022 6
• 2021 3
• 2020 4
• 2019 7
• 2018 7
• 2017 3

Other industries in Massachusetts, 2025

• Utilities (NAICS 2211) 235
• Educational services (NAICS 6113) 84
• Chemical manufacturing (NAICS 3251) 59
• Waste management and remediation (NAICS 5622) 50
• Hospitals (NAICS 6221) 47
• Utilities (NAICS 2213) 47
• Fabricated metal product manufacturing (NAICS 3328) 41
• Plastics and rubber products manufacturing (NAICS 3261) 38
• Petroleum and coal products manufacturing (NAICS 3241) 30
• Paper manufacturing (NAICS 3221) 27
• Printing and related support (NAICS 3231) 23
• Food manufacturing (NAICS 3112) 22
• Professional, scientific and technical services (NAICS 5417) 17
• Transportation equipment manufacturing (NAICS 3364) 16
• Paper manufacturing (NAICS 3222) 15
• Pipeline transportation (NAICS 4862) 15
• Miscellaneous manufacturing (NAICS 3399) 12
• Transit and ground passenger transportation (NAICS 4851) 11
• Merchant wholesalers, nondurable goods (NAICS 4247) 11
• Chemical manufacturing (NAICS 3255) 10
• Fabricated metal product manufacturing (NAICS 3322) 10
• Nonmetallic mineral product manufacturing (NAICS 3279) 9
• Food manufacturing (NAICS 3118) 9
• Computer and electronic product manufacturing (NAICS 3345) 9
• Textile mills (NAICS 3133) 9
• Repair and maintenance (NAICS 8111) 8
• Machinery manufacturing (NAICS 3339) 8
• Fabricated metal product manufacturing (NAICS 3327) 8
• Chemical manufacturing (NAICS 3259) 7
• Merchant wholesalers, durable goods (NAICS 4239) 7
• Telecommunications (NAICS 5171) 7
• Computer and electronic product manufacturing (NAICS 3344) 6
• Electrical equipment and appliance manufacturing (NAICS 3359) 6
• Nonmetallic mineral product manufacturing (NAICS 3273) 6
• National security and international affairs (NAICS 9281) 6
• Food manufacturing (NAICS 3113) 6
• Mining and quarrying (NAICS 2123) 5
• Chemical manufacturing (NAICS 3252) 5
• Utilities (NAICS 2212) 5
• Machinery manufacturing (NAICS 3332) 5
• Support activities for transportation (NAICS 4889) 4
• Miscellaneous manufacturing (NAICS 3391) 4
• Fabricated metal product manufacturing (NAICS 3329) 4
• Fabricated metal product manufacturing (NAICS 3323) 4
• Data processing and hosting (NAICS 5182) 4
• Merchant wholesalers, nondurable goods (NAICS 4246) 4
• Support activities for transportation (NAICS 4881) 3
• Furniture and related product manufacturing (NAICS 3372) 3
• Food manufacturing (NAICS 3119) 3
• Fabricated metal product manufacturing (NAICS 3321) 3
• Primary metal manufacturing (NAICS 3315) 3
• Motor vehicle and parts dealers (NAICS 4411) 3
• Professional, scientific and technical services (NAICS 5413) 3
• Merchant wholesalers, durable goods (NAICS 4238) 3
• Wood product manufacturing (NAICS 3219) 3
• Real estate (NAICS 5311) 3
• Crop production (NAICS 1114) 3
• Nonmetallic mineral product manufacturing (NAICS 3274) 3
• Chemical manufacturing (NAICS 3254) 3
• Food manufacturing (NAICS 3114) 3

Air-emissions inspections recorded in Massachusetts, 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.