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Company Profile
- Hayes, Seay, Mattern & Mattern, Inc.
- Country : United States
- City: Roanoke
- State: Virginia - VA
- Address: P.O. Box 13446
- Zipcode: 24034-3446
- Category: MANUFACTURERS: DISTRIBUTOR
- Description: Architects, Consulting Engineers Service
- Products: Architects. Computer Graphic Design Services. Energy Management Services. Engineers
- Employees: 100 - 249
- Year Established: 1947