Home » News Brief: GroupMAC Extends Lock-Up News Brief: GroupMAC Extends Lock-Up June 23, 2000 Reprints No Comments GroupMAC announced the extension of its lock-up agreements, restricting more than 7.2 million shares of its common stock for 1999.Group Maintenance America Corp. (NYSE: MAK) announced the extension of its lock-up agreements, restricting more than 7.2 million shares of its common stock for 1999. Did you enjoy this article? Click here to subscribe to Plumbing & Mechanical. Stay connected with us via social media. Related Articles GroupMAC Buys Building One Services News Briefs Danze Extends Rebate Program NAOHSM's Annual Convention Extends Spirit of Service Related Products Facility Piping Systems Handbook, 3rd Ed. Lessons Learned in a Boiler Room: A common sense approach to servicing and installing commercial boilers Quick & Basic Hydronic Controls Piping Systems Manual Related Events Webinar: How to Extend Lifecycles ICC, PMI Webinar: Changes to the 2015 IPC Related Directories Amorim Cork Composites EZ Route MrPEX Systems Noble Co. You must login or register in order to post a comment. Report Abusive Comment Thank you for helping us to improve our forums. Is this comment offensive? Please tell us why.