MD Yellow Pages > Columbia
9770 Patuxent Woods Drive
Columbia, MD (Maryland) 21046-1530
(410) 423-4500 (Primary Phone)





Additional Categories
Washington Group International is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:
  • Construction Consulting & Management
  • Engineers Consulting
North American Industry Classification System (NAICS) Categories:
  • Engineering Services > Engineers Consulting
  • Office Administrative Services > Construction Management Services
Standard Industry Classification (SIC) Categories:
  • Engineering Services > Engineers Consulting
  • Management Services > Construction Management Services
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