Alliant has been one of InterWest's top competitors. Alliant is a Private company that was founded in 1925 in Irvine, California. Like InterWest, Alliant also competes in the Insurance Brokers sector. Compared to InterWest, Alliant has 12,050 more employees.
Insurance Portfolio is seen as one of InterWest's biggest rivals. Insurance Portfolio is a Private company that was founded in Toronto, Ontario in 1927. Like InterWest, Insurance Portfolio also operates in the Insurance Brokers sector. Insurance Portfolio has 300 fewer employees vs. InterWest.