Profile: United Spray Systems, Inc. specializes in producing insect control sprays. We offer pyrethrin and permethrin liquid concentrates that are labeled to control horse flies, house flies, deer flies, horn flies and numerous insects. Our products include mosquito killing systems, summit BTI briquets, tree guard deer repellent gallon, Hudson propane insect fogger and fimco boomless ATV sprayer. Our categories include mosquito control, insect control, animal repellents, safety equipment, mist blowers and odor control.