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GS# 400–xxx

East Mississippi State Hospital
GS# 411–xxx

Mississippi State Hospital
GS# 412–xxx

Boswell Regional Center
GS# 421–xxx

Ellisville State School
GS# 422–xxx

Hudspeth Regional Center
GS# 423–xxx

North Mississippi Regional Center
GS# 424–xxx

South Mississippi Regional Center
GS# 425–xxx

North Mississippi State Hospital
GS# 426–xxx

South Mississippi State Hospital
GS# 427–xxx

Central Mississippi Residential Center
GS# 428–xxx

Brookhaven Juvenile Rehabilitation Center
GS# 429–xxx

Gulf Coast Juvenile Rehabilitation Center
GS# 435–xxx

see 440 prefix projects, which is now 552 prefix, under the 500's

see 444 prefix projects, which is now 553 prefix, under the 500's