1)[url] MTN Nigeria[/url]

MTN Nigeria is part of the MTN Group, a South African multinational company that has subsidiaries across Africa. MTN Nigeria commenced operations in 2001 after securing its GSM license from the NCC. Their primary services include the provision of GSM, data, international roaming, and mobile phone retail services.

The major advantage of going for MTN is its extended network coverage, which is the best amongst the telecoms operators in the country. MTN Nigeria has its headquarters at Golden Plaza, Ikoyi, Lagos state.
2)Icrypt Technology
Icrypt Technology is a technology company base in Nigeria, they focus on offering of digital services like Website development, Mobile App development, General graphics, Remote Assistance Services,Forex Investments etc www.icrypttechnology.com
3. Globacom Nigeria

Globacom Limited is a telecommunication company owned by a Nigerian. It is also one of the pioneering telecommunication companies in Nigeria. Glo Nigeria Ltd, whose primary services involve the provision of data and telephone services is headquartered in Lagos Nigeria and has operations in Ghana, Cote d’Ivoire, and Togo
4. 9Mobile

9Mobile, formally known as Etisalat is a multinational company based in the UAE but has operations spread across the middle-east and Africa.

The company changed its name from Etisalat to 9Mobile on the 14th of July, 2017. Its operations in Nigeria commenced in 2008 and its major operations involve the provision of data, GSM, and international roaming services to its customers.
5. Airtel Nigeria

Airtel, just like the abovementioned companies, is an Indian based telecommunication company. Its operations in Nigeria commenced in 2010 after taking over ownership from Zain. The network has greatly improved under its new leadership and provides high-quality telephone and data services to customers. Airtel Nigeria has one of the largest and most dedicated mobile internet subscriber bases. It is headquartered in Ikoyi Lagos.
6. Google

Google is currently the largest and most respected search engine company in the world. The American based, Multinational search engine company has operations that cut across several countries in the world. Some of their services include online advertising, online search, cloud computing, and software. Google Nigeria has its headquarters at Rewane, Ikoyi, Lagos.
7. Ericsson Nigeria

Ericsson is a Swedish based multinational company, whose operation spreads across the various continents of the world. It is well respected internationally and provides a variety of services, some of which include software, telecommunication, mobile, fixed broadband, operations, business support, video systems, cable TV, and a host of other services. Ericson Nigeria is located at Carrington Cresent, Victoria Island Lagos.
8. InterSwitch Limited

InterSwitch Limited is a Nigerian-owned company established in 2002. This tech company is an integrated payment and transaction processing company, whose services involve the provision of advisory services, government, corporate bodies, technology integration, and transaction processing and payment infrastructure to banks. InterSwitch is situated at Oke Awo close, Victoria, island, Lagos.
9. IBM Nigeria

International Business Machines, frequently referred to as IBM, is an American-based multinational company with branches spread across the major economic hub around the world. IBM manufactures and promotes computer software, middleware, and hardware. Additionally, they offer other services such as cloud computing, hosting and consulting services. IBM Nigeria is located at Karimu Ikotun Street, Victoria Island, Lagos.
10. MainOne

The MainOne Company was established in 2010, and it’s a Nigerian-owned communication service provider of wholesale Internet services to telecom operators, government agencies, ISPs, educational institutions, and large enterprises.

The MainOne Cable is a submarine cable that stretches from Portugal to South Africa, with landings in Lagos and Accra. This fiber optic submarine cable acts as a gateway, connecting these countries with the other parts of the world by providing a superfast internet link. MainOne’s is headquartered at Ligali Ayorinde str. Victoria Island, Lagos.