Your list would be a lot more useful if it specified which control channel(s) were used by each site. If you have read access to a programmed radio, that should be easy.
Here is a list. I had to use the database as the radio only had the names of the Charleston county sites.
852.35000 - Charleston Simulcast (County)
857.93750 - Charleston Simulcast (County)
858.48750 - Charleston Simulcast (County) , Marion County Simulcast
857.48750 - Charleston Simulcast (County)
854.41250 - Dorchester County Simulcast
854.38750 - North Augusta (Aiken County)
860.38750 - Canadys (Colleton County)
860.46250
859.38750 - Canadys (Colleton County)
858.76250 - Dorchester County Simulcast
853.77500
852.92500 - Long Mountain (Oconee County)
853.18750 - Summerville (Charleston County)
853.92500 - Orangeburg (Orangeburg County)
774.58125
774.83125
851.62500 - Johnston (Edgefield County)
851.82500 - Ravenel (Charleston County)
851.95000
851.96250 - Hogback Mountain (Greenville County)
852.17500
852.42500 - Spartanburg County Simulcast
852.47500
852.53750
852.57500 - Chester (Chester County) , Holly Hill (Orangeburg County) , Anderson County Simulcast
852.60000 - Anderson County Simulcast
852.61250 - Moncks Corner (Berkeley County)
852.62500 - Greenwood (Greenwood County)
852.67500 - Bennettsville (Marlboro County)
852.71250
852.86250 - Chester (Chester County)
852.87500 - Sandy Run (Calhoun County)
852.90000 - Joanna (Laurens County) , Lynchburg (Lee County)
852.93750 - Spartanburg County Simulcast
852.95000 - Manning (Clarendon County)
852.96250 - Anderson County Simulcast
853.03750
853.05000 - Spartanburg County Simulcast
853.07500 - Union (Union County) , Georgetown County Simulcast , Walterboro Simulcast (Colleton County)
853.10000 - Seneca (Oconee County) , Camden (Kershaw County)
853.12500 - Greenwood (Greenwood County) , Moncks Corner (Berkeley County)
853.15000 - Sandy Run (Calhoun County)
853.16250 - Anderson County Simulcast
853.17500 - Newberry (Newberry County)
853.20000
853.21250 - Kingstree (Willamsburg County)
853.23750 - Winnsboro (Fairfield County) , Bluffton (Beaufort County) , Georgetown County Simulcast
853.25000 - Barnwell (Barnwell County)
853.26250 - Greenville County Simulcast
853.27500 - North Myrtle Beach (Horry County) , Jasper (Jasper County) , Darlington (Darlington County)
853.28750 - Joanna (Laurens County)
853.31250
853.32500 - Russellville (Berkeley County)
853.35000 - Georgetown County Simulcast
853.36250 - Camden (Kershaw County)
853.40000 - Aiken (Aiken County)
853.41250 - North Kershaw (Kershaw County)
853.42500 - Orangeburg (Orangeburg County) , Thicketty (Cherokee County)
853.45000 - Union (Union County) , Edisto Island (Charleston County)
853.46250 - Caesars Head (Greenville County)
853.47500 - Newberry (Newberry County)
853.50000 - Lexington County Simulcast
853.51250 - Chappells (Newberry County) , North Charleston (Charleston County)
853.52500 - Conway (Horry County)
853.53750 - Greenville County Silmulcast , Dillion (Dillion County)
853.56250 - Walterboro Simulcast (Colleton County)
853.60000 - Pickens (Pickens County)
853.61250 - Lynchburg (Lee County)
853.62500 - Hogback Mountain (Greenville County)
853.66250 - Winnsboro (Fairfield County) , Russellville (Berkeley County)
853.67500
853.68750 - Barnwell (Barnwell County) , Georgetown County Simulcast
853.70000 - Spartanburg County Simulcast
853.71250 - Manning (Clarendon County) , Newberry (Newberry County) , North Myrtle Beach (Horry County)
853.73750 - Aiken (Aiken County)
853.75000 - Yemassee (Hampton County) , Greenville County Simulcast
853.78750 - Holly Hill (Orangeburg County)
853.80000 - Caesars Head (Greenville County) , Properity (Newberry County) , Darlington (Darlington County)
853.81250 - Bamberg (Bamberg County) , Port Royal (Beaufort County)
853.83750 - Kingstree (Willamsburg County)
853.86250 - Greenville County Simulcast , Conway (Horry County) , Jasper (Jasper County)
853.90000 - Joanna (Laurens County)
853.91250 - North Kershaw (Kershaw County) , Edisto Island (Charleston County)
853.95000 - Summerville (Charleston County) , Chappells (Newberry County) , Chesterfield (Chesterfield County)
853.96250 - Seneca (Oconee County) , Robertville (Hampton County)
853.98750
854.73750 - Augusta (Richmond County)
854.86250 - McBean (Richmond County)
855.03750 - Due West (Abbevile County)
855.31250 - North Augusta (Aiken County)
855.43750 - Augusta (Richmond County)
855.46250 - Lexington County Simulcast
855.51250 - Due West (Abbevile County)
855.63750 - Blythe (Richmond County)
855.66250 - North Augusta (Aiken County)
855.78750 - McBean (Richmond County)
856.33750 - Blythe (Richmond County)
856.46250 - Sumter County Simulcast
856.48750 - Harbison (Richland County)
856.58750 - Beaufort County Simulcast
856.68750 - Beaufort County Simulcast
856.86250 - Yemassee (Hampton County)
856.91250 - Plum Branch (McCormick County)
857.21250 - Beaufort County Simulcast
857.26250
857.43750 - Beaufort County Simulcast
857.46250 - Sumter County Simulcast
857.91250 - Plum Branch (McCormick County)
858.26250
858.28750
858.46250 - Sumter County Simulcast
858.68750 - Harbison (Richland County)
858.71250 - Charleston Simulcast (State)
858.83750 - Sally (Orangeburg County) , Charleston Simulcast (State)
858.93750
858.96250
859.26250 - Lexington County Simulcast , Florence County Simulcast
859.46250 - Sumter County Simulcast
859.48750 - Marion County Simulcast
859.68750 - Florence County Simulcast
859.83750 - Sally (Orangeburg County)
859.86250
859.88750 - Johnston (Edgefield County)
860.23750
860.48750
860.73750
860.93750
856.93750