The IAAP held its 49th annual convention combined with the Aggregate Miner Safety Conference on Feb. 23. Below is a list of the Rock Solid Safety Award winners.

Rock Solid Excellence in Safety Award:

• Allendale Gravel

• Bluff City Materials

• Buckley Powder

• Carri Scharf Materials

• Central Stone

• GZA GeoEnvironmental

• Hanson Material Service

• Knox County Stone

• LafargeHolcim

• LeClaire Investments

• Nokomis Quarry Company

• Pekin Sand & Gravel

• R.A. Cullinan & Son, A Division of UCM

• Raimonde Drilling Corp

• RiverStone Group

• Rowe Construction, A Division of UMC

• Shakespeare Aggregates

• Thenlen Sand & Gravel

• Tuscola Stone

• Unimin Specialty Minerals

• Vulcan Materials

• Western Aggregates

Gold Award:

• Bluff City Materials

• Central Stone

• Delta Companies

• Dyno Nobel

• Hanson Material Service

• Kinkaid Stone

• Lafarge

• Ozinga Materials

• R.A. Cullinan & Son, A Division of UCM

• RiverStone Group

• Rogers Group

• Shakespeare Aggregates

• Unimin Specialty Minerals

• VCNA Prairie

• Vulcan Materials

Silver Award:

• Anna Quarries

• Illinois Cement Company

• Lafarge

• Rogers Group Inc.

• Vulcan Materials

Bronze Award:

• American Bin & Conveyor

• Fairmount Santrol —CEG