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Department of Labor NAICS 611519 and PSC R425 contractors in Maryland
Other Technical and Trade Schools. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. 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.
Maryland · Department of Labor
Last updated: April 7, 2026
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1
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$227,958,467
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