Profile: John A. Stephens Ltd. specializes in building products and services. Our product line includes aerated & dense concrete bricks, steel lintels, cement, gravel, stone, granite, chimneys, flues, door furniture, screws, nails, plumbing products, concrete chamber rings, drain rods and manhole covers. We also offer fiberglass acoustic insulation, plaster boards, concrete block paving, wall plate straps, power & hand tools, roof tiles and trusses.