SGIA is the Screen printing & Graphics International Association. Their website is an excellent source of information on screen printing and graphic arts and there are many technical articles on their site for downloading. If you're not already a member of SGIA, then you should sign up on-line now.
SGCD or Society of Glass & Ceramic Decorators is the glass decorating industries professional and technical organization that provides their members with specialized technology related to glass decorating. The SGCD web page is loaded with technical data on many different glass decorating techniques.
SPE stands for Society of Plastic Engineers and we have staff that has been members since the early 1990's and this plastics engineering association has been around since 1942 with the mission to strengthen their members' skills and promote plastics technology. SPE brings 20,000 people together from all sectors of the plastic industry to discuss important issues and technologies.
SPI stands for the Society of Plastics Industries, Inc. and we have been a member of SPI since the early 90's. SPI was founded in 1937, and they are the trade association representing one of the largest manufacturing industries in the United States. SPI's members represent the entire plastics industry supply chain, including processors, machinery and equipment manufacturers and raw materials suppliers.