I can't tell you anything about the company that isn't contained in their catalogues, but the catalogues are good reference material for the period.
I have Catalogue No.2, dated 1969 consisting of 44 pages, Catalogue No.3 consisting of 87 pages plus price list No.2, dated 1970, and Catalogue No.5, dated 1973/4 consisting of 185 pages, plus price list No.7 dated Dec/75.