Owner Otis Armstrong and several employees make up the team at High Voltage Landscaping And Snow Removal. I am a master gardener,we have lawn care specialists and several apprentices; we also have regular part time employees that work on a steady basis and we work with several other smaller businesses on major projects that have been working with us for years. See for yourself and get to know us better! Owner Otis Armstrong has an Associate in Applied Science Degree in Horticulture. He gained his Horticultural Therapy Certificate Of Merit in 2001. Otis had been hired as a landscaper at several companies in Chicago, Il before he established High Voltage Landscaping And Snow Removal in 1998.