Spreadsheet Solutions: www.yakpol.net
Daniel T.Li: www.engineering-international.com
Bridge Art: www.bridgeart.net
Excel Calcs: www.excelcalcs.com
Design Spreadsheets: www.designspreadsheets.com
Bridge Talk: www.bridgesite.com
ArcelorMittal: www.sections.arcelormittal.com
Richard Lees Steel Decking: www.rlsd.com
Metsec: www.metsec.com
Institute of Structural Eng’s: www.istructe.org.uk
Institute of Civil Engineers: www.ice.org.uk
The Institution of Mechanical Engineers: www.imeche.org/
American Society of Civil Eng’s: www.asce.org
Institute of Marine Engineers: www.imare.org.uk
Royal Inst. of Naval Architects: www.rina.org.uk