Most Frequently Asked: What kinds of services does NSI provide? Answer: We offer design / build electrical services for commercial, industrial and residential projects of all sizes. Other Frequently Asked Questions: Do you have a service department? Yes. We have a service and maintenance department equipped to handle all your troubleshooting and emergency needs. Our 24-hour hotline is at your service day or night, weekends or holidays. What is your fax number? If you are faxing to our estimating / project managing team, the fax number is 414-761-4678. If you are faxing general office items or to accounts payable, the number is 414-761-4679. Do you accept unsolicited resumes? Or how does someone apply for a job? NSI does not accept unsolicited resumes. Please respond to newspaper or online ads NSI may place. What types of residential customers do you serve? We serve large residential complexes like hotels, apartment buildings, condominiums and group homes. Where are you located? We are located on the south side of Milwaukee, Wisconsin at 1213 W. Mallory Avenue. Do you serve customers outside of the greater Milwaukee area? We serve customers throughout Southeastern Wisconsin. How large is your team? The size of our team is tailored to meet your project needs. We have knowledgeable, skilled, dedicated and valued employees committed to serving you. What kind of equipment do you have? NSI has a wide variety of equipment. Some of our equiipment includes an aerial truck with a 57" reach, trencher with auger, skid steer, and power benders.