Independent Testing Laboratories, Inc. (ITL) Boulder, CO. Serving the lighting industry- Photometry, Electrical testing, Lighting Software, Reflector Design, Lighting Application Engineering, Goniophotometer systems.
   SINCE 1955

4066 Camelot Circle

  Longmont, CO 80504 Phone: 303.442.1255 Fax: 970.535.3114



Click for ITL Photometry services, Indoor, Roadway, Floodlight testing, IES files...etc.


Click for Information about ITL Electrical Testing options for ballasts, lamps, lumen output, etc.


Click for information and ordering of ITL AutoLUX lighting software for application engineering.


Click for information about ITL custom Reflector design engineering for luminaires.


Click to have ITL lighting application engineering done for you, Roadways, Indoor, Floodlights, etc.


Click for information about ITL Goniophotometer (photometer) sales


Click for ITL Lighting Institutes- practical lighting education