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Employers › IL

Construction · Belvidere, IL

Keystone One, INC.

According to OSHA enforcement records (2010–2026), Keystone One, INC. ranks #81,555 of 99,447 penalized U.S. employers by total current penalty, with a mixed safety record: 7 violations across 3 inspections.

Lower half by penalty100% serious
$1,500
OSHA penalties
7
Violations cited
3
OSHA inspections
#81,555
of 99,447 penalized employers

Keystone One, INC. in Belvidere, IL has been the subject of 3 OSHA workplace inspections and 7 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $1,500. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Keystone One, INC. 3 times over 1 year - more than twice a year on average. These inspections resulted in 7 violations, averaging 2.3 per inspection, above what's typical for a single visit. According to OSHA enforcement records, its total current penalty ranks #81,555 of 99,447 penalized U.S. employers (the lower half of penalized employers nationally). Of these, 7 were classified as serious - indicating hazards that could cause death or serious harm. Against the Construction industry average of 2 inspections per employer, this runs moderately above peers (1.5x the sector average) on inspection frequency. For comparison, Travis Heartsill Builders in Greenville, AL is another construction employer with 2 OSHA inspections on record and $1,500 in current penalties.

2.3
violations per inspection
100.0%
of violations were serious
#81,555
of 99,447 penalized employers

Compliance score

D 56/100
  • D OSHA safety compliance: 7 violations across 3 OSHA inspections (2.3 per inspection), vs. national p10 0.0 (best) / p90 5.5 (worst) among 145,626 inspected employers.

Channels are separate federal datasets: a dimension marked not applicable simply has no record in that dataset for this employer, not a good or bad score.

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How Keystone One, INC. compares on OSHA penalties

Total current penalty vs the Construction per-employer average

in penalties

What this shows Keystone One, INC. runs well below peers (0.22x the sector average) in total OSHA penalties.

Source U.S. Department of Labor, OSHA enforcement extracts As of 2026

Where this penalty ranks nationally

Total current OSHA penalty vs every U.S. employer with a nonzero penalty

$1,500 Top 18% most affordable more affordable than 82% of 99,447 U.S. employers with a penalty

$0–$5,000: 43,959 U.S. employers with a penalty (44%). This entry sits in this band. $5,000–$10,000: 20,304 U.S. employers with a penalty (20%). Above this entry. $10,000–$15,000: 11,027 U.S. employers with a penalty (11%). Above this entry. $15,000–$20,000: 6,546 U.S. employers with a penalty (7%). Above this entry. $20,000–$25,000: 4,175 U.S. employers with a penalty (4%). Above this entry. $25,000–$30,000: 2,877 U.S. employers with a penalty (3%). Above this entry. $30,000–$35,000: 2,036 U.S. employers with a penalty (2%). Above this entry. $35,000–$40,000: 1,493 U.S. employers with a penalty (2%). Above this entry. $40,000–$45,000: 1,095 U.S. employers with a penalty (1%). Above this entry. $45,000–$50,000: 785 U.S. employers with a penalty (1%). Above this entry. $50,000–$55,000: 5,150 U.S. employers with a penalty (5%). Above this entry. This employer $0 $55,000 every penalized U.S. employer, bucketed by value

Each bar is a $5K-wide band; taller bars hold more U.S. employers with a penalty. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Department of Labor, OSHA enforcement extracts · 2026

Does more inspection scrutiny mean more findings?

Each dot is one of 21 Construction employers with an OSHA inspection on record, placed by inspections and violations cited. The highlighted dot is Keystone One, INC..

Frequently inspected, many findingsRarely inspected, many findingsFrequently inspected, clean recordBelow median on both3.03.033.03.006.513.119.626.2OSHA inspectionsViolations citedCITYVIEW CONSTRUCTIO…, OSHA inspections: 3 · Violations cited: 25DATTY'S CONSTRUCTION…, OSHA inspections: 3 · Violations cited: 13KIRBERG ROOFING, INC., OSHA inspections: 3 · Violations cited: 6ARROYO SECO CONSTRUC…, OSHA inspections: 3 · Violations cited: 17SOFT CONTRACTOR CORP., OSHA inspections: 3 · Violations cited: 8MCKEE UTILITY CONTRA…, OSHA inspections: 3 · Violations cited: 9GOWNA CONTRACTING, OSHA inspections: 3 · Violations cited: 7CAMDEN CITY PUBLIC W…, OSHA inspections: 3 · Violations cited: 6BLACK MICRO CORPORAT…, OSHA inspections: 3 · Violations cited: 8AMORA BUILDERS, INC., OSHA inspections: 3 · Violations cited: 2ROGELIO MARTINEZ, OSHA inspections: 3 · Violations cited: 6GOLDEN STATE BORING …, OSHA inspections: 3 · Violations cited: 1PAUL CRAMPTON CONTRA…, OSHA inspections: 3 · Violations cited: 22CAMPUS CREST CONSTRU…, OSHA inspections: 3 · Violations cited: 7EDDIE PEARSON ROOFIN…, OSHA inspections: 3 · Violations cited: 85 PLUS ROOFING LLC, OSHA inspections: 3 · Violations cited: 2TRALON HOMES, LLC, OSHA inspections: 3 · Violations cited: 2CASINO DEVELOPMENT G…, OSHA inspections: 3 · Violations cited: 8ARTHUR TAK YAN LEE, …, OSHA inspections: 3 · Violations cited: 22CARLOS HERNANDEZ, OSHA inspections: 3 · Violations cited: 3Keystone One, INC., OSHA inspections: 3 · Violations cited: 7
Keystone One, INC. has 3 OSHA inspections on record and 7 violations cited. The crosshair marks the median among these Construction peers. Across this sector's tracked employers, more inspections is moderately associated with more violations found -- not a coincidence, but not a guarantee either.

Keystone One, INC. in the Construction enforcement ledger

Among 33,222 Construction employers with OSHA penalties on file, Keystone One, INC. ranks #26,454 at $1,500 current penalty.

How Keystone One, INC. Compares

Keystone One, INC.'s 2.33 violations per inspection compares to the Construction sector average of 3.3 violations per employer.

Against the Construction industry average of $6,767 per employer, this employer's current OSHA penalty runs well below peers (0.22x the sector average).

Enforcement detail

OSHA Inspection History

Total Inspections

3

First Inspection

2010-05-14

Last Inspection

2010-12-02

Inspection Span

1 yr

Violations / Inspection

2.3

Avg Penalty / Inspection

$500

Industry Avg / Inspection

$3,361

What this shows 3 inspections over 1 year, averaging 2.3 violations per visit. That's $500 per inspection vs. the Construction average of $3,361.

Enforcement detail

Violation Breakdown

7

Serious

100.0% of total

0

Willful

0.0% of total

0

Repeat

0.0% of total

0

Other-Than-Serious

0.0% of total

What this shows Serious violations involve hazards that could cause death or serious physical harm. Willful violations indicate intentional or knowing disregard of the law. Repeat violations are for hazards previously cited within the past 5 years.

Enforcement detail

Penalty Analysis

Initial Penalty Assessed

$1,500

Current Penalty Amount

$1,500

Penalty Reduction

None

What this shows No reduction on record. The current penalty matches the original OSHA assessment.

Industry Safety Context: Construction

How Keystone One, INC. compares to the Construction sector, which has 61,260 employers tracked by PlainWorker.

Metric Keystone One, INC. Industry Avg
Inspections 3 2.0
Violations 7 3.3
Total Penalty $1,500 $6,767
Avg Penalty per Inspection $500 $3,361
View all 61,260 employers in Construction →

Nationwide Construction peers with similar penalties or inspection counts

Two OSHA-record peer sets for Keystone One, INC., both outside IL so the neighborhoods are not geographic containment.

Similar current OSHA penalty

Nearest same-sector employers by current assessed penalty ($1,500 here).

Fontaine Bros INC. $1,500 MA Fabio Roofing $1,500 MA Tri CNTY BLDG LLC $1,500 MI T Lloyd Investments INC $1,500 OR

Similar OSHA inspection count

Same-sector employers with a comparable inspection history outside this state (3 inspections here).

Cityview Construction CORP. 3 insp. Belleville, NJ Datty's Construction LLC 3 insp. Paterson, NJ Kirberg Roofing, INC. 3 insp. Kansas City, MO Arroyo Seco Construction 3 insp. Santa Barbara, CA

Nearby & Similar Employers in Construction

Showing 5 of 61259 other employers tracked in this sector.

Travis Heartsill Builders
Greenville, AL
2 inspections $1,500
LA Hood Construction
Omaha, NE
2 inspections $1,500
Ulh Construction Corporation
Upper Tumon, GU
2 inspections $1,500
Rosa Mosaic & Tile Company
Louisville, KY
2 inspections $1,500
Camco Const CO
Salt Lake City, UT
3 inspections $1,500

Compare Keystone One, INC. vs Travis Heartsill Builders side-by-side →

What to do with this record

Use Keystone One, INC.'s enforcement history as one data point, not the whole picture.

  • A single employer's record can look unusual in isolation. Compare Keystone One, INC. against Travis Heartsill Builders, a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
  • See whether Keystone One, INC.'s inspection and penalty record is typical for Construction or an outlier against the sector's own average. View the Construction sector
  • Before you accept a job or raise a safety concern, search any employer for its own OSHA inspection history the same way you found this one. Search employers

Figures reflect closed OSHA and WHD federal enforcement actions on record (2010–2026); not every workplace issue results in an inspection or investigation.

Frequently Asked Questions

Is Keystone One, INC. safe to work at? ▼
Based on OSHA records, Keystone One, INC.'s workplace safety record is mixed, with some compliance concerns. The employer has 7 violations across 3 inspections, including 7 serious violations. Compared to Construction industry peers, this is below average for penalties. Review the full inspection history below for details.
How many OSHA violations does Keystone One, INC. have? ▼
Keystone One, INC. has 7 OSHA violations on record, including 7 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $1,500.
How many OSHA inspections has Keystone One, INC. had? ▼
Keystone One, INC. has had 3 OSHA inspections, with the first recorded on 2010-05-14 and the most recent on 2010-12-02. This averages 2.3 violations per inspection.
What is the total penalty amount for Keystone One, INC.? ▼
Keystone One, INC. has been assessed $1,500 in current OSHA penalties.
Does Keystone One, INC. have any serious or willful violations? ▼
Yes. Keystone One, INC. has 7 serious violations. Serious violations involve hazards likely to cause death or serious physical harm. Willful violations indicate the employer intentionally or knowingly disregarded the law.
What industry does Keystone One, INC. operate in? ▼
Keystone One, INC. operates in the Construction sector (NAICS code 238310). This industry has 61,260 employers tracked by PlainWorker, with 123,354 total OSHA inspections and $414.57M in cumulative penalties.
Where does Keystone One, INC. rank nationally on OSHA penalties? ▼
Among the 99,447 U.S. employers with a nonzero current OSHA penalty in PlainWorker's corpus, Keystone One, INC. ranks #81,555 (the lower half of penalized employers nationally). The ordinal is a live COUNT of employers with a lower total_current_penalty; see the methodology page for the exact derivation.
How does Keystone One, INC.'s safety record compare to industry average? ▼
Keystone One, INC.'s total OSHA penalty of $1,500 is below the Construction industry average of $6,767 per employer. The employer has 3 inspections compared to the industry average of 2.0 per employer. For a direct comparison, Travis Heartsill Builders in Greenville, AL is a similar construction employer with $1,500 in current penalties.
Data Sources & Methodology ▼

Data as of 2026. Source: U.S. Department of Labor (OSHA, WHD).

Source: OSHA Enforcement Data

Inspection and violation records from the Occupational Safety and Health Administration (OSHA), U.S. Department of Labor, covering the period 2010–2026. Includes inspection dates, violation types (serious, willful, repeat, other-than-serious), and penalty amounts. Penalties shown are current assessed amounts and may differ from original citations due to settlement, contest, or reduction.

Source: Wage and Hour Division (WHD)

Compliance actions from the WHD, covering enforcement of the Fair Labor Standards Act (FLSA), including minimum wage, overtime, and child labor violations. Back wages represent amounts owed to affected employees as determined by WHD investigations.

Employer Matching

Employers are matched across OSHA and WHD datasets by name, state, and city. Employers included in PlainWorker have 2 or more OSHA inspections or $1,000+ in WHD back wages. Data is updated monthly from data.dol.gov.

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Every figure on PlainWorker is rendered directly from official U.S. Department of Labor OSHA and Wage & Hour Division enforcement records, no number is typed in by an editor. This employer's ratios (penalty-per-violation, industry comparisons) are computed live from the 3 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.