What does CLSA stand for?

California Land Surveyors Association (GEOI)

Canadian Laboratory Suppliers Association (EAIO)

Canadian Land Settlers Association (SAUO)

Canadian Law and Society Association - See also ACDS

Canon Law Society of America (EA)

Closed-Loop Stripping Analysis - Analytical chemistry

Conservation Law Society of America - Defunct

Contact Lens Society of America (EA)

Contact Lens Society of Australia (SAUO)

Control Logic and Switching Assembly (ACAE)

Cooperative Logistic Support Arrangement - Military (AFM)