| https://spectratechltd.com Spectra Tech Ltd Richard Lemker consultant consulting specialist analysis measurements testing acoustics acoustical audio noise theater classroom auditorium meeting room vibration sound noise control multi-media system sound system project services onsite testing con-site testing specifications drawings staff experience experience Richard Lemker Nationwide Ohio Indiana Kentucky West Virginia Tennessee Illinois Michigan North Carolina Virginia Cincinnati Dayton Columbus Akron Toledo Cleveland Springfield Bowling Green Knoxville Portsmouth Louisville Lexington Indianapolis Frankfort Fort Wayne Lima Bloomington Huntington WV OH IN KY Nashville Detroit St. Louis Murfreesboro Charlotte Evansville Pittsburg Chattanooga Atlanta Memphis Youngstown Canton Mansfield Zanesville Lima Greensburg Bloomington Evansville Owensboro Paducah Kingsport Pigeon Forge Oak Ridge Charleston Morgantown Telephone: (51*** |  |
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