Construction trade companies in O Fallon, MO 63366
8 construction trade companies, with local market data for this ZIP.
General contractors 47HVAC 17Roofing and exteriors 17Other construction trades 8Electricians 6Carpentry, drywall and windows 5Concrete and masonry 4Fences and decks 3Garage doors 3Remodeling 3Painting 2Excavation and demolition 2Flooring and tile 1
Area profitability, other construction trades63 / 100Strong market, crowded field
Typical home value$364,000+1.9% in the past year
New homes permitted, 20251,661St. Charles County
Homeowners82.1%20,558 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
CMC RebarConstruction trade company · 1478 Hoff Industrial Ctr, O Fallon(636) 980-1510 · cmc.com
Fin-Con Assembly Group IncMetal fabricator · 76 N Central Dr, O'Fallon(636) 281-0203 · fin-con.com
North Central StampingMetal fabricator · 920 Lone Star Dr, O'Fallon(636) 240-2723 · ipsglobal.com
O'Fallon CastingMetal fabricator · 600 Cannonball Ln, O'Fallon(636) 272-6176 · ofalloncasting.com
Phoenix MetalsConstruction trade company · 1025 Cool Springs Industrial Dr, O'Fallon(636) 980-1919 · phoenixmetals.com
RC Custom FabricationMetal fabricator · 865 Mid Point Dr, O'Fallon(636) 466-9216 · rccustomfabrication.com
RDM Products Division, Bettag & Associates, Inc.Metal fabricator · 116 N Central Dr, O Fallonrdmproducts.net
WB IndustriesMetal fabricator · 1270 W Terra Ln, O'Fallon(636) 272-2366 · w-bindustries.com
Other construction trades in ZIP 63366 at a glance
Local building angle: St. Charles County permitted 1,661 new homes in 2025, including 284 apartment units. 46% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.