[ItBites]

Here are Google's guesses. Do I win?

*** ESSC Environmental Systems Science Centre
*** ESSC European Society for Soil Conservation
*** ESSC Environmental Science for Social Change (Philippines)
*** ESSC Earth System Science Community
*** ESSC English Springer Spaniel Club (Great Britain)
*** ESSC English Shetland Sheepdog Club
*** ESSC Earth System Sciences Committee
*** ESSC European Space Sciences Committee
*** ESSC Elementary Science Support Center
** ESSC Edmonton Space & Science Centre
** ESSC Education Student Service Center
** ESSC Erasmus Student Service Center
* ESSC Electro Slag Strip Cladding
* ESSC Electronic Stability Control Coalition
* ESSC Electronics Sustainment Support Center
* ESSC Enterprising Service Solutions Company (Genicom)
* ESSC Electronic Single Support Center
* ESSC Electronic Services Steering Committee (IEEE)
* ESSC Enhanced Services System Certification (Sprint PCS)
* ESSC Earth System Science Center (various universities)
* ESSC Education and Skills Select Committee (UK)