NSI rates are $150/120 per hour* for engineers, $120/96 per hour* for senior techs and $75/60 hour* for junior techs, billed by the quarter hour. Managed services* and weekly monitoring are also available; please inquire. Hours are Monday through Friday, from 8:30 to 5:30, and Saturdays 10 to 2. Rush and emergency services are also available at premium rates. Charges of $30 per trip, with half-hour minimums apply to nearby sites. Beyond 15 miles charges are $1 per mile plus travel time at half rate.

* Managed services customers enjoy these 20 percent lower hourly rates.