The International Site for Interchangeable Cores


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ICLS has been in the Northeast marketplace for nearly 40 years. Originally concerned with locksmith security needs on a very limited basis, ICLS has expanded into providing institutional, commercial and government entities, including locksmiths and other security-related personnel, with quality IC servicing tools and end-users with security solutions, such as the Key Retainer Device - to protect their investments, whether business or family-oriented. As the premiere and long-standing distributor of Key Retainer Devices and IC tools for over 15 years, ICLS is still dedicated to offering only the most innovative and top-notch products to our customers. 

William M. Lynk, CML, CPS, ICML, CMIL, M.Ed., has been a locksmith since 1975, having attained a Bachelor's Degree from Kent State University (Kent, OH) and a Master's Degree from the prestigious Cambridge College (Cambridge, MA). He is an Interchangeable Core Specialist, Certified ALOA A.C.E. Instructor and an ALOA A.C.E. Instructor-Trainer, as well as the Subject Matter Expert on Interchangeable Cores for ALOA. As a Certified Master Locksmith, a Certified Professional Safetech, Institutional Certified Master Locksmith, Certified Master Institutional Locksmith, Bill teaches classes on IC, High Security Cylinders and Master Keying through webinars, conventions, trade shows and for associations and corporations nationally. With a passion for IC, Bill is an industry author having penned Interchangeable Cores: Small Format ©2000, Removable Cores: Large Format ©2003 and SFIC: Advanced ©2005, along with many various related industry articles. Bill’s texts are used by ALOA, lock distributors and lock manufacturers, including Marshall Best’s own SFIC company. Bill received the Keynotes Author of the Year Award in 2013 & 2015, has originated SFIC Technical Manuals for national and international lock manufacturers and maintains a working relationship with the major lock and security manufacturers throughout the world. He was also selected in 2018 as the National Video Spokesperson for the Kaba Peaks Preferred Line by the international dormakaba-ILCO Group. Bill is a recipient of the ALOA Education Department Service Award in 2012, the ALOA ACE Instructor's Award in 2014, and the prestigious ALOA Security Professionals "Lifetime Achievement Award" in 2017. Bill also volunteered as web designer/webmaster for the ALOA Scholarship Foundation and served as the North Central Director on the ALOA Board of Directors. He is a member of ALOA, ASIS, ILA, LIST Council, LSA and ClearStar. In addition, Bill is the Owner of ICLS [Interchangeable Core Lock Systems] located in Metro Detroit and on the internet at: www., working with government offices, military facilities, educational organizations, commercial establishments and retail businesses nationally.

Instructor / Trainer / Rep / Consultant

For: Associations, Manufacturers, Distributors, Private Companies




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