Security Services and Technologies of Philadelphia has been named No. 360 of the fastest-growing companies in the United States by Inc. Magazine. The publication recently released its annual ranking of the Inc. 500. To be eligible for the list, companies have to be independent and privately held through 1999, have at least $200,000 in sales in the base year 1995, and their 1999 sales must have exceeded their 1998 sales.
