http://www.recordrentacar.com/price_list.asp
http://www.hertz.es/ (more expensive, best service)
http://www.europcar.es (more expensive, best service and better car insurance)
http://www.avis.es/Alquilerdecoches/Europa/Espana/Alicante/Alicante-Estacion-de-tren
http://www.lococar.com/car-rental/index.php?mostrar&tarifas&lococar&uk&es&pe&ALICANTE_RENFE&& (cheaper)
http://www.booking-centre-online.com/alquiler-coches/alquiler-coches-Alicante-Renfe.htm (cheaper)
http://www.logitravel.com/coches/alquiler-coches-alicante-renfe-estacion-7131220.html (Logitravel is pretty serious, Ford K manual 28 euro/day, 2 days)
http://www.eurotaxialicante.com/?gclid=CMvDgfvLibECFYzbfAodDT7tfg
Telephone +34 697192462
This company offers long distance trips in decent prices. I've talk with the owner and feels serious.
Write us an email if you wanna book a taxi: mmgmayl@gmail.com