Marsh McLennan Agency Marsh McLennan Agency Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Services >> Finance Marsh McLennan Agency 390 W Main StAmerican Fork, UT 84003 | map | directions Brenda Smith (801) 642-2097 Visit Site Connect With Us Insurance, surety, and risk management programs for regional construction operations. Member Since: 2005