Thankyou, but your contest is on top 5 phase, that means only top 5 ranked designer can submit more designs. If you want me or other designers to submit more designs you can put them as one of top 5 ranked designers. :)
#34 ana #26 > cellular signal forming a lock #25 > cellular signal forming a shield i think both simple logos clearly speak about what your business do. (especially entry #25)