Home » GroupMAC Reports Second Quarter Increase GroupMAC Reports Second Quarter Increase June 16, 2000 Reprints No Comments GroupMAC's second quarter revenue increased 140 percent to $381.9 million, compared with $159.2 million in the same period of 1998. Its net income increased 112 percent to $12.9 million. Did you enjoy this article? Click here to subscribe to Plumbing & Mechanical. Related Articles Comfort Systems Reports Earnings Increase For Second Quarter EMCOR Reports Second Quarter Increase Comfort Systems Reports Earnings Increase For Second Quarter Comfort Systems Reports Second Quarter Increase Related Products 2016 National Plumbing & HVAC Estimator Pumping Away and other really cool piping options for hydronic systems 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.