On-Site Computer & Network Services. We are committed to give to our customers a fast response and a great technical support no matter how big or small the company is. At On-Site Computer & Network Services we offer you a free consultation. In which we will make an evaluation of your specific IT needs. Knowing that a dependable expert you can trust is just a phone call or a click away is the greatest service we offer our clients. Feel free to contact us with your technology needs we will help you achieve your company goals.