Your search query on "GRINNELL Other Business & Industrial" returned the following results:

The Other Brands of Gibson Guitar Reference Book NEW 000001560 (201106593614)

Grinnell 1229 Drain Valve (293313096754)

ITT Grinnel Bronze Gate Valve 1 1/4" FNPT 150 SWP / 300 WOG P/N 3060 (121466410180)