Continues Dun's Directory of Service Companies. The Library has received all editions, although this title change was not noted when it occurred.
This directory provides information on approximately 50,000 service business that are of high interest, yet on which information is difficult to find. The companies must be a headquarters or single location company, and derive their primary revenue from activities in SIC codes 70-81, 83, 87, or 89. Listings contain headquarters address and phone number, trade name, annual sales volume, total employment where available, company officers and directors, members of boards of directors, D-U-N-S number, up to six industry classification (SIC) codes, founded/ownership date, banking and accounting relationships where available, and state of incorporation.

Continued by D&B Directory of Service Companies. The Library's holdings are complete except for 1990.