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Environmental Protection Agency NAICS 541715 and PSC R499 contractors in Ohio
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). SUPPORT- PROFESSIONAL: OTHER. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.
Ohio · Environmental Protection Agency
Last updated: April 7, 2026
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$72,971,412
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