Dennis Insulation LLC Share: Insulation Contractors Dennis Insulation LLC Visit Website Request Info 2250 N Nelson Dr Derby, KS 67037-2574 (316) 788-3785 (316) 788-3972 (fax) Hours: 7:00 to 5:00 About Rep Info Map About Dennis Insulation provides residential and commercial insulation. Whom to Contact Jamie Martin Phone: (316) 788-3785 Speedy Martin Phone: (316) 788-3785 What's Nearby? Distance: 5 10 15 20 25 50 mi.