Petersen Mfg. CO. | Denison | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| 3M3m (minnesota Mining & Mfg Co) - Ames | Ames | IA | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| BRBenton's Ready Mixed Concrete INC | Cedar Falls | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| BCBertch Cabinet, LLC. - Waterloo | Waterloo | IA | Nonmetallic Mineral Product Manufacturing327215 | — | ◐ LIKELY ACTIVE |
| BSBovard Studio INC | Fairfield | IA | Nonmetallic Mineral Product Manufacturing327211 | 20-99 | ◐ LIKELY ACTIVE |
| CRCti Ready Mix | Grimes | IA | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| CPCustom Precast CO | Cascade | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| ECEdwards Cast Stone Company | Dubuque | IA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| ICIowa City Ready Mix INC | Iowa City | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| MRMetro Ready Mix, Lc | Iowa City | IA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| AIAmsco INC - Linwood Mining Lime Plant | Davenport | IA | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| CICentral Iowa Ready Mix | West Des Moines | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| NHNew Hampton Metal Fab | New Hampton | IA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| NNorthfield-rhino | West Des Moines | IA | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| SCSioux City Brick & Tile CO United Brick & Tile a Div | Adel | IA | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| CPCalcium Products Inc-gilmore City | Gilmore City | IA | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| CICentral Iowa Ready Mix | Des Moines | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| CICentral Iowa Ready Mix-Ames | Ames | IA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| HMHarsco Metals | Muscatine | IA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| HPHawkeye Pedershaab Concrete Technologies, INC | Mediapolis | IA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| HRHawkeye Ready Mix Hiawatha | Hiawatha | IA | Nonmetallic Mineral Product Manufacturing327310 | 20-99 | ◐ LIKELY ACTIVE |
| KRKing's Ready Mix | Cedar Rapids | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| MCMidland Concrete Products Clear Lake | Clear Lake | IA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| MCMonarch Cement of Iowa INC | Des Moines | IA | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| MEMPC Enterprises Inc | Mount Pleasant | IA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| RORail One USA CORP | Clinton | IA | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◐ LIKELY ACTIVE |
| CICentral Iowa Ready Mix | West Des Moines | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| CMC.j. Moyna & Sons INC | Iowa | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| CCContinental Cement Company | Buffalo | IA | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| DPDukes Properties | Des Moines | IA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| GBGold Bond - Ftd Plant | Fort Dodge | IA | Nonmetallic Mineral Product Manufacturing327420 | — | ◐ LIKELY ACTIVE |
| HIHoffmann INC | Muscatine | IA | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| HIHolcim (us) INC - Mason City | Mason City | IA | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| MIManatts INC | Ankeny | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| NRNorthwest Ready-mix | Ocheyedan | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SR"4418 - Shell Rock Concrete Plant" | Shell Rock | IA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| SB"4419 - Shelby Bagging Plant" | Shelby | IA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| APAdel Plant | Adel | IA | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| ANAfinitas- New Hampton location | New Hampton | IA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| CIC2 Iowa Des Moines Dixon Avenue | Des Moines | IA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CPCalcium Products- Fort Dodge, IA Plant | Fort Dodge | IA | Nonmetallic Mineral Product Manufacturing327420 | 20-99 | ◐ LIKELY ACTIVE |
| CRCedar Rapids (1018) | Cedar Rapids | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| CICentral Iowa Ready Mix-Grimes Plant | Grimes | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| COCorporate Office (9900) | New Hampton | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| DPDelaware Plant | Des Moines | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| DDsmcp3 | Cedar Rapids | IA | Nonmetallic Mineral Product Manufacturing327332 | 1-19 | ◐ LIKELY ACTIVE |
| DDsmcp4 | Marshalltown | IA | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| ESElite Stone Fabrication | Lisbon | IA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| EElkhart | Elkhart | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| GIGreenfield IG | Greenfield | IA | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ◐ LIKELY ACTIVE |