4498 Commerce Drive, Whitehall, PA 18052
(610) 262 3530 - fax (610) 262 4191 - e-mail OHDcoallen@AOL.com

Our normal business hours are 8 AM -5 PM Monday through Friday
         After hours Emergency Service 
is available 
5 Pm - 6 AM weekdays
          24/7 Holidays and weekends.

Commercial     610-778-2955 or 610-791-8216
Residential      610-798-0659