EPA Air · inspections by state, industry and year

Nonmetallic mineral product manufacturing (NAICS 3273): inspections in Oklahoma, 2025

• 4Inspections

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 Oklahoma source whose primary industry code is NAICS 3273. A facility filing more than one industry code is counted under the first one on its record.

Nonmetallic mineral product manufacturing (NAICS 3273) in Oklahoma, other years

• 2026 3
• 2023 6
• 2022 24
• 2021 21
• 2020 24
• 2019 27
• 2018 40
• 2017 31

Other industries in Oklahoma, 2025

• Oil and gas extraction (NAICS 2111) 181
• Petroleum and coal products manufacturing (NAICS 3241) 69
• Pipeline transportation (NAICS 4862) 44
• National security and international affairs (NAICS 9281) 20
• Mining and quarrying (NAICS 2123) 18
• Utilities (NAICS 2211) 17
• Plastics and rubber products manufacturing (NAICS 3261) 14
• Personal and laundry services (NAICS 8123) 12
• Pipeline transportation (NAICS 4861) 11
• Waste management and remediation (NAICS 5622) 10
• Fabricated metal product manufacturing (NAICS 3323) 5
• Chemical manufacturing (NAICS 3251) 4
• Chemical manufacturing (NAICS 3253) 4
• Nonmetallic mineral product manufacturing (NAICS 3274) 3
• Transportation equipment manufacturing (NAICS 3362) 3
• Merchant wholesalers, nondurable goods (NAICS 4247) 3
• Nonmetallic mineral product manufacturing (NAICS 3271) 3
• Food manufacturing (NAICS 3111) 3
• Fabricated metal product manufacturing (NAICS 3328) 3

Air-emissions inspections recorded in Oklahoma, 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.