Serving North Texas Since 1937

Browser Requirements


Although the CoServ website is compatible with many browsers, we have optimized it for the following:

  • Internet Explorer desktop version 11.0 and higher
  • Microsoft Edge
  • Firefox version 27 and higher
  • Chrome version 38 and higher
  • Safari desktop version 7 and higher
  • Safari mobile version 5 and higher
  • Opera version 17 and higher


  • Windows 8 and higher
  • Mac OS X (10.9 Mavericks and higher)


Cookies are optional on www.coserv.com.


JavaScript is required on www.coserv.com for full functionality. Some links will not work without it.

Screen Size

Although the CoServ website is designed to respond to a wide array of resolutions and devices, the best user experience is had on a screen resolution of at least 1280 pixels in width.