ACI  https://www.concrete.org/

ACI Las Vegas  http://www.acilasvegas.org/

ACI Southern California  http://www.acisocal.org/

ASTM  http://www.astm.org/

AWS  http://www.aws.org/

Builders Books  http://www.buildersbook.com/

City of Long Beach  http://www.lbds.info/

City of Los Angeles  http://ladbs.org/LADBSWeb/public-home.jsf

City of Santa Monica  http://www.smgov.net/Departments/PCD/About-Us/Building-and-Safety/

County of Los Angeles  http://dpw.lacounty.gov/

Deslauriers (slump cone kit online)  https://www.deslinc.com/

DSA  http://www.dgs.ca.gov/dgs/Home.aspx

IAPMO  http://www.iapmo.org/Pages/IAPMOgroup.aspx

ICC  http://www.iccsafe.org/

ICC Evaluation Report Services  http://www.icc-es.org/

OSHPD  http://www.oshpd.ca.gov/

Pearson Vue  http://www.pearsonvue.com/

Roseburrough Tools (slump cone kit local)  http://www.roseburroughtoolco.com/