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Department of Transportation NAICS 541219 and PSC B505 contractors in District of Columbia
Other Accounting Services. SPECIAL STUDIES/ANALYSIS- COST BENEFIT. 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.
District of Columbia · Department of Transportation
Last updated: April 7, 2026
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1
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$172,815,380
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