| Business | Phone |
| Affiliated Engineers Inc 800 Ridgeway St, Hot Springs 71901 | (501) 624-4691 |
| B & F Engineering Inc 928 Airport Rd, Hot Springs 71913 | (501) 767-2366 |
| Engineers Inc 531 Windamere Ter, Hot Springs 71913 | (501) 767-2274 |
| Malone & Assoc 130 Hobson Ave, Hot Springs 71901 | (501) 624-2892 |
| Mid South Engineering Co 1658 Malvern Ave, Hot Springs 71901 | (501) 321-2276 |
| L D Svc Llc 1820 Higdon Ferry Rd, Hot Springs 71913 | (501) 525-1200 |