Things SIP

SIP Bar & Lounge San Francisco Broadway
Sip'n'Swirl straws (more via Google)
SIP Mania: summer festival at Sipbachzell, a small village in Austria (submitted by Wilhelm Wimmreuter).
SIP street (Venice, Italy; submitted by Jonathan Rosenberg)
SIP phone (Venice, Italy; submitted by Jonathan Rosenberg)
Sip Avenue in Jersey City, NJ
Structural insulated panels
The Society for Invertebrate Pathology: Bacteria, Fungi, Nematodes, Protozoa, Viruses
Amptown Cases: SiP cases
Salamander Industrie-Produkte GmbH
sip.fi
IGM
Foc Farsta F-85
Society of Internet Professionals
SIP (Software International Partners)
Sociologists in Placements
SiPCore, "is providing high-performance, easy-to-integrate, proven CMOS mixed-signal intellectual property (IP) solutions for multimedia, consumer and communications applications."
SuSan's Internet Publishing
Swedish International Project for nuclear safety
SIP strojna industrij, Slovenia: mowers and other agricultural machinery
American SIP Corporation
SIP Protection
3M Standard Interchange Protocol Version 2 for libraries
SIP Scootershop: hats, caps, keyrings, adhesive tape, t-shirts, polo shirts stickers as well as that all important kidney protector. (Finder: Jim Buller)
SIP Well bottled water: SIP glasses, coffee; e.g., in in German or in Berlin, cup
SIP car