Addition, alteration and renovation for-sale builders, commercial and institutional building · South Dakota

Mills Construction Inc

Name: Mills Construction Inc Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Brookings, SD · ~45 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 1.4
Avg TCR: 2.9
Industry avg: 0
Fatalities

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The verdict

Mills Construction Inc runs at 47% of its industry's injury rate - far safer than the typical Addition, alteration and renovation for-sale builders, commercial and institutional building workplace, earning a grade A.

Mills Construction Inc: 1.4 TCR = 47% of Addition, alteration and renovation for-sale builders, commercial and institutional building BLS 2.9 · 2y Form 300A (see methodology below)

Mills Construction Inc safety composite

Mills Construction Inc scores strongest on total case rate (tcr) (safer than 69% of same-industry peers) and weakest on dart rate (safer than 22%), 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).

48/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 1.35 per 100 workers

Safer than 69% of industry peers
DART rate: F 2.71 per 100 workers

Safer than 22% 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%).

Rising injury rate

Mills Construction Inc: 0.0 → 2.7 TCR

Peak year 2023 @ 2.7 TCR · DART/TCR 2.01× in 2023

Mills Construction Inc's TCR rose 2.7 from 0.0 in 2019 to 2.7 in 2023. In 2023, DART was 2.01× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 236220 · Brookings, SD AT/BELOW-IND · SMALL

Grade A · TCR 1.4 · 47% of ind

DART 2.7 DART
RANK #2/35
PHOTO R. Carlson & Sons, I…
BOOK 2y book
INJ 1 inj
SIZE ~45 FTE

Nearest TCR peer: R. Carlson & Sons, Inc. (0.0 TCR gap)

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

This site

1.4
R. Carlson & S

1.4
White Mountain

1.4
Chicago Office

1.4
Elite Construc

1.4

What this shows Mills Construction Inc averages 1.4 TCR (47% of the Addition, alteration and renovation for-sale builders, commercial and institutional building BLS benchmark).

Mills Construction Inc TCR series: 2019=0 · 2023=2.7 · BLS 2.9

Where Mills Construction Inc falls in its industry

4,692 Addition, alteration and renov establishments

Safer than 69% of graded establishments in this industry, whose median TCR is 2.3.

Grade A

More dangerous than peersSafer than peers

Narrower to South Dakota alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 35 Addition, alteration and renov employers in South Dakota.

Mills Construction Inc (45 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

Mills Construction Inc has fewer employees than the Addition, alteration and renovation for- median and a lower injury rate than the industry's median TCR of 2.3. 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
2023	2.7	2.7	1	0	0
2019	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · SD · Brookings

4,692 Addition, alteration and renovation for-sale builders, commercial and institutional building employers nationwide with a credible TCR · 1,778 rated employers in South Dakota with headcount on file · 59 employers in Brookings, SD · 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	R. Carlson & Sons, Inc.	MOKENA, IL	1.4 TCR
NAICS-TCR	White Mountain Construction, LLC	PALMER, AK	1.4 TCR
NAICS-TCR	Chicago Office	ROSEMONT, IL	1.4 TCR
NAICS-TCR	Elite Construction & Design, Inc.	FITCHBURG, MA	1.4 TCR
STATE-SIZE	Pierre	PIERRE	45 FTE
STATE-SIZE	Mitchell Office and Warehouse	MITCHELL	45 FTE
STATE-SIZE	Jans Corporation	SIOUX FALLS	45 FTE
STATE-SIZE	TLMV, Inc	SIOUX FALLS	45 FTE
CITY-NEAR	SD01-DAKT-SOUTH DAKOTA BROOKINGS	Brookings	1,406 FTE
CITY-NEAR	Brookings	Brookings	1,154 FTE
CITY-NEAR	1538	Brookings	379 FTE
CITY-NEAR	Larson Mfg. LLC	Brookings	378 FTE
NAT-TCR	Direct Orthopedic Care, LLC	Meridian, ID	1.4 TCR
NAT-TCR	PEC	Hillsboro, OR	1.4 TCR
NAT-TCR	General Dynamics Ordnance and Tactical Systems	Saco, ME	1.4 TCR
NAT-TCR	Big Lots Store #5102 Pompano Beach, FL	Pompano Beach, FL	1.4 TCR
NAT-SIZE	Culpeper District Bridge Crews	Culpeper, VA	45 FTE
NAT-SIZE	Westco Roofing Co. Inc	Oakland, CA	45 FTE
NAT-SIZE	Neon Electric Corporation	Houston, TX	45 FTE
NAT-SIZE	Northern Plains Electric Cooperative	Carrington, ND	45 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: 2023, 2019. 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.