Wisconsin
Department of Safety and Professional Services
MARATHON TESTING LABORATORY INC.
Architectural Or Engineering Corporation Certificate Of Authorization
License number
844-11
Date granted
07/23/1973
Date expires
02/01/1980
Class
Architectural Or Engineering Corporation Certificate Of Authorization
Status
wisconsinlicensing.org
ID 12612492
LAST UPDATED 2026-04-10 07:57:54 UTC
LAST UPDATED 2026-04-10 07:57:54 UTC
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