Robert:
Don't know if the following is of any help, but the following is what I have regarding the occupants of the Dal-Tex Building in 1963:
First Floor ? Vacant
Second Floor ?
? McKell?s Sportswear Inc. ? women?s clothing manufacturer (Hank Stanton, who is seen in the famous Altgens photo sitting on the window ledge on the second floor, worked for ? and/or was - the son of the owner of a women?s clothes manufacturing business on second floor. But was it McKell?s?)
? Stan Lea of Dallas (blouse manufacturer)
Third Floor ?
? Miller-Cupaioli (Clothing). The company changed its name to Miller-Randazzo in 1964. Assassination eye-witnesses Carolyn Walther and Pearl Springer worked for this company.
? Some sources have indicated that Dallas Uranium & Oil had offices on this floor
Fourth Floor ?
Jennifer Juniors Inc. (Zapruder?s company. His office was on this floor). Among the employees were Marilyn Sitzman (receptionist), Lillian Rogers (Zapruder's secretary and PA), Beatrice Hester (Payroll / Shipping Clerk), and Erwin Schwartz, Zapruder's business partner. I have a photo somewhere in my files of Zapruder and some of his staff in January 1957, and there were about 24-30 people in the photo.
Fifth Floor ?
? Edwill's Fashions, Inc.
? Ralph Leeds Inc.
? Cupaioldi & Leeds
? Jennifer Juniors
Sixth Floor ?
? Marilyn Belt Manufacturing Co. (began operations in 1944) - Andy Armstrong worked here for two months in January 1962, before going to work for Jack Ruby in the Carousel Club. Morty (or Marty) Freedman was said to own Marilyn Belt, and the manager was E.L. Nelson. The plant Supervisor was a woman named Virgle Batson
? Morty Freeman Inc.
? Dallas Uranium & Oil. (All three companies above were said to have the same shared telephone number)
Seventh Floor ?
Mr. Eddie Inc.
MGB Manufacturing
Adaptables Inc.
Hope this helps, but if anyone has any further detail, I, too, would be interesting in hearing about them.
Chris