Digital BW, The Print

Regarding that Magruder rumor, I found this through Google. 
Could this be the Mac-Daddy? Is this The Great Oz? The Queen 
Bee? The Mother of All Ink Companies?...

http://www.magruder.com/

[snip]

Established for over 70 years, Magruder Color Company is a 
basic pigment manufacturer with major emphasis in the Graphic 
Arts Industry. Products include organic pigments supplied as dry 
color, presscake and flushed color dispersions, fluorescent 
pigments and dispersions, specialty varnishes, acrylic chip color 
concentrates, liquid dispersions, and polyolefinic concentrates.

Magruder Color Company supplies quality products on a 
world-wide basis to the ink, paint, and plastics industries for a 
variety of applications includingÊ sheetfed and web-offset printing 
inks, heatset inks, news inks, tyvek inks, metal decorating inks,
textile inks, acrylic flexographic water ink systems, crayons, 
artist's colors, finishes, coatings, and other specialty systems 
using colors.

[end snip]