What does SIU stand for?

MLA style: "SIU." Acronym Finder . 2012. AcronymFinder.com 3 Jun. 2012 http://www.acronymfinder.com/Significant-Industrial-User-(SIU).html
Chicago style: Acronym Finder . S.v. "SIU." Retrieved June 3 2012 from http://www.acronymfinder.com/Significant-Industrial-User-(SIU).html
APA style: SIU. (n.d.) Acronym Finder. (2012). Retrieved June 3 2012 from http://www.acronymfinder.com/Significant-Industrial-User-(SIU).html

Significant Industrial User

This definition appears very rarely and is found in the following Acronym Finder categories:

Information technology (IT) and computers
Military and Government
Business, finance, etc.

Other Resources:

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Scheduling Information Unsolicited (health care) Schiller International University Seafarers International Union Secondary Index Utility Sector Intelligence Unit (US Border Patrol) Sensitive Investigative Unit Senter for internasjonalisering av høyere utdanning (Centre for International University Cooperation; Norway) Serial Interface Unit Service Informatique Universitaire (French: University Computing Services; University of Namur; Belgium) Sets In Use (TV)		Simulation Interface Unit (US DoD) Sinyal Isleme, Iletisim Ve Uygulamalari Kurultayi (Turkish) Slide in Unit Societá Italiana di Urologia Société d'Imagerie Ultrasonore (French: Ultrasonic Imaging Society) Société Internationale d'Urologie (French: International Society of Urology) Southern Illinois University Southern Insurance Underwriters, Inc. (Georgia and Florida) Special Investigations Unit Special Investigative Unit

Samples in periodicals archive:

Award recipients are Significant Industrial Users, as defined by the EPA, which consistently meet all local, state, and federal wastewater discharge standards and requirements.

Deceuninck(R) Receives Award for Outstanding Environmental Performance