Looking for 10 Exit Light Fixtures in Manhattan, New York

Looking to replace 10 exit light fixtures dating approximately to the 1950s.
Certified by Underwriters Laboratories Inc; File Number E-36110; Issue Number C-96,514.
Description:
Wall mounted
5 3/8" circumference x 4 1/8" length
Beveled, red plastic front with white 'Exit' wording across (4" circumference x 1 9/16" length)