I use the Misto oil spray bottle from with stainless steel cookware, and it's the best cooking spray alternative I've tried for nonstick cooking. You can buy the Misto Aluminum Oil Sprayer on sale at right now for $11.
Misto is the #1 selling oil Mister brand in the US (source: the npd group, Inc./retail tracking service. 52 weeks ending April 2016) This 2 piece set
Misto Oil Sprayer, 2-Piece, Silver/Clear
Misto Refillable Cooking Oil Spray Bottle Aluminum – Green Distributors
I Love the Misto Oil Spray Bottle for Nonstick Cooking
Cuisinart Even Mist Oil Mister And Dispenser : Target
NEW MISTO The Gourmet Olive Oil Sprayer brushed stainless
Misto White Oil Sprayer
Misto Oil Sprayer, Set of Two, Silver: Home & Kitchen
I Love the Misto Oil Spray Bottle for Nonstick Cooking
Misto Brushed Aluminum Oil Sprayer, Silver: Home & Kitchen
Substitute For Cooking Spray (DIY Non-Stick Cooking Spray)