YMC, Inc. YMC, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Division 05 - Metals >> 05 20 00 Metal Joists YMC, Inc. 2975 E Lanark StMeridian, ID 83642 | map | directions Rod Marcum (208) 888-1727 | fax: (208) 895-9699 Visit Site Connect With Us YMC, Inc. is a mechanical contractor licensed in western states. Member Since: 1993