| Business | Phone |
| D C Power Systems Inc 424 Pratt Rd, Little Rock 72206 | (501) 888-2077 |
| D C Xpress 14721 Ironton Rd, Little Rock 72206 | (501) 888-3590 |
| Gnb-Technologies 16220 Alexander Rd, Little Rock 72210 | (501) 407-2700 |
| Gregory Salisbury Power Prods 4700 Westwood Ave, Little Rock 72204 | (501) 565-1546 |