Interstate Building Materials is OKNA's #1 rival. Interstate Building Materials is a Private company that was founded in Pittston, Pennsylvania in 06/1938. Like OKNA, Interstate Building Materials also works within the Construction Supplies & Fittings field. Interstate Building Materials has 32 more employees vs. OKNA.
Pella is perceived as one of OKNA's biggest rivals. Pella was founded in 1925, and is headquartered in Pella, Iowa. Like OKNA, Pella also operates in the Construction Supplies & Fittings sector. Pella generates $2.2B more revenue vs. OKNA.
Anderson Windows is a top competitor of OKNA. Anderson Windows is a Private company that was founded in 06/1903 in Bayport, Minnesota. Like OKNA, Anderson Windows also operates in the Construction Supplies & Fittings space. Compared to OKNA, Anderson Windows has 11,945 more employees.