Sentence:  Small Business Administration , What It Is , What It Does , SBA Services for Community Economic Development , and various other useful publications on currently important management , technical production , and marketing topics <WSD>are</WSD> available , on request , from Small Business Administration , Washington 25 , D.C. . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)