Engineers go Results Found: 4 Spectrum Design, PC Spectrum Design, PC 10 Church Ave., S.E., Plaza Suite 1 Roanoke VA 24011 (540) 342-6001 CORE Environmental Services, Inc. CORE Environmental Services, Inc. 697 Ray Street Roanoke Va 24019 304-646-8305 Micro Harmonics Corporation Micro Harmonics Corporation 20 s Roanoke Street ste 202 Fincastle va 24090 (540) 473-9983 Systems Technology of Virginia Systems Technology of Virginia 130 Mount Moriah Road Eagle Rock Virginia 24085 5408841784
