Select optimization strategy
Lowest Cost
Minimize total spend — heavily weights Atlas and CertainTeed
$4.18M
$435K (9.4%)
Balanced
Cost + quality + lead time, no supplier > 40% share
$4.28M
$335K (7.2%)
Incumbent Retention
Keep 80%+ with top 3 incumbents, minimize disruption
$4.38M
$235K (5.1%)