Axiom is  a general purpose Computer Algebra system. It is useful for research and development of mathematical algorithms. It defines a strongly typed, mathematically correct type hierarchy. It has a programming language and a built-in compiler.
Polybutylene is simply a type of plumbing material that was manufactured between the late 70's and early 90's. It is thought that it was installed in over 6 million homes during that time period.
Pitney Bowes (PBI) is a manufacturer of software and hardware. The company offers several products including supplies, software, services and solutions for managing and integrating physical and digital communication channels. Pitney Bowes is one of the 87 original members of the S&P 500 which was created in 1957. PBI was founded in 1920, and is based in Stamford, CT.