Hope this helps:
Medair South Africa:
www.medair.co.za
Air Rescue Africa:
www.airrescueafrica.co.za
International SOS:
www.internationalsos.com, they have an office in PHC:
SMI (Service Medical International Ltd)
Intels Camp
Km 12 Aba/ PHC Expressway
Port Harcourt, Nigeria Nigeria
Admin Tel:+234 84 465 400
Admin Fax:+234 84 465 429
and Warri
International Medical Clinic Warri Ltd
House 13A
#2 Chief Edewor Estate, Effurun
Warri, Nigeria Nigeria
Admin Tel:234 53 254 956
Admin Fax:234 53 255 023
Try also posting at
www.african-aviation.com
Good luck!