Welcome to Free-for-all Friday at the mentalfloss.com Brain Game. What specific, unusual trait do these fictional company names share?

ISOCORP, RABIL, RINCACORP, VIGOR, and SUTURA

Here is the ANSWER.

THE ANSWER:

Each is an anagram of a SIGN of the ZODIAC.

ISOCORP = SCORPIO
RABIL = LIBRA
RINCACORP = CAPRICORN
VIGOR = VIRGO
SUTURA = TAURUS

NOTE: Other feasible answers may exist, so if you came up with an alternate one that you feel is correct (something beyond "they all contain the letter R") consider yourself a winner of this challenge.

(TAI'S GUITARS = SAGITTARIUS)

Have a great weekend. We'll be back after the weekend with the Monday Math Square!