Central-mixed concrete manufacturing · Missouri

Kienstra Ready Mix of O'Fallon Inc.

Name: Kienstra Ready Mix of O'Fallon Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

O'Fallon, MO · ~20 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 4.6
Avg TCR: 3.3
Industry avg: 0
Fatalities

Subscribe to safety-record updates (RSS)

The verdict

Kienstra Ready Mix of O'Fallon Inc. runs at 140% of its industry's injury rate - more dangerous than the typical Central-mixed concrete manufacturing workplace, earning a grade D.

Kienstra Ready Mix of O'Fallon Inc.: 4.6 TCR = 140% of Central-mixed concrete manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Kienstra Ready Mix of O'Fallon Inc. safety composite

Kienstra Ready Mix of O'Fallon Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 32%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

43/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 4.63 per 100 workers

Safer than 48% of industry peers
DART rate: F 4.56 per 100 workers

Safer than 32% of industry peers
Fatalities: D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Kienstra Ready Mix of O'Fallon Inc. held a steady TCR band

Kienstra Ready Mix of O'Fallon Inc.'s TCR held near 0.2 from 4.7 in 2016 to 4.6 in 2017. Peak filing year was 2016 at 4.7 TCR. In 2017, DART was 0.98× this establishment's average TCR (severity share of cases).

2016=4.7 · 2017=4.6

OSHA ITA Form 300A scorecard

Establishment book 327320 · O'Fallon, MO ABOVE-IND · SMALL

Grade D · TCR 4.6 · 140% of ind

DART 4.6 DART
RANK #22/41
PHOTO HM PNW- Seattle RMC
BOOK 2y book
INJ 2 inj
SIZE ~20 FTE

Nearest TCR peer: HM PNW- Seattle RMC (0.0 TCR gap)

Read with this employer → · Industry book → · Missouri employers → · Look up another →

This site

4.6
HM PNW- Seattl

4.6
Birmingham Cit

4.6
Master Made Ta

4.6
Sparks Readymi

4.6

What this shows Kienstra Ready Mix of O'Fallon Inc. averages 4.6 TCR (140% of the Central-mixed concrete manufacturing BLS benchmark).

Kienstra Ready Mix of O'Fallon Inc. TCR series: 2016=4.7 · 2017=4.6 · BLS 3.3

Where Kienstra Ready Mix of O'Fallon Inc. falls in its industry

1,316 Central-mixed concrete manufac establishments

Safer than 48% of graded establishments in this industry, whose median TCR is 4.5.

Grade D

More dangerous than peersSafer than peers

Narrower to Missouri alone (the establishments it most directly competes with for workers and contracts): ranked #22 safest of 41 Central-mixed concrete manufac employers in Missouri.

Kienstra Ready Mix of O'Fallon Inc. (20 employees, TCR 4.6) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5

Kienstra Ready Mix of O'Fallon Inc. has fewer employees than the Central-mixed concrete manufacturing median and a higher injury rate than the industry's median TCR of 4.5. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year	TCR	DART	Injuries	Illnesses	Fatalities
2017	4.6	4.6	1	0	0
2016	4.7	4.7	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

327320 · MO · O'Fallon

1,316 Central-mixed concrete manufacturing employers nationwide with a credible TCR · 10,075 rated employers in Missouri with headcount on file · 68 employers in O'Fallon, MO · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	HM PNW- Seattle RMC	SEATTLE, WA	4.6 TCR
NAICS-TCR	Birmingham City Plant RMC	BIRMINGHAM, AL	4.6 TCR
NAICS-TCR	Master Made Tanks, Inc.	PARIS, AR	4.6 TCR
NAICS-TCR	Sparks Readymix	SPARKS, NV	4.6 TCR
STATE-SIZE	CoverCress INC	SAINT LOUIS	20 FTE
STATE-SIZE	RUCKMAN #9 - 16 & 27 -EST	ALBANY	20 FTE
STATE-SIZE	Silver Creek Pig, Inc.	HIGBEE	20 FTE
STATE-SIZE	Newport Farms, LLC.	LA PLATA	20 FTE
CITY-NEAR	O'FALLON	O'Fallon	1,682 FTE
CITY-NEAR	SAK Construction, LLC	O'Fallon	469 FTE
CITY-NEAR	Progress West Hospital	O'Fallon	413 FTE
CITY-NEAR	306 Ofa1000	O'Fallon	337 FTE
NAT-TCR	Giant Eagle #3154	Washington, PA	4.6 TCR
NAT-TCR	Unadilla (Gauna)	Unadilla, GA	4.6 TCR
NAT-TCR	The Pines	Easton, MD	4.6 TCR
NAT-TCR	COMPOSITES_CLEARWATER_FL	Clearwater, FL	4.6 TCR
NAT-SIZE	105 Stonecrest Drive	Bellefonte, PA	20 FTE
NAT-SIZE	Crown Lift Trucks Shreveport	Metairie, LA	20 FTE
NAT-SIZE	0787 - Cullman, Al	Cullman, AL	20 FTE
NAT-SIZE	0751 - Ridgecrest, Ca	Ridgecrest, CA	20 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.