Frontier Insulation LLC

Overview

Frontier Insulation LLC, a foundation/structure contractor, in Clinton, SD has been inspected by OSHA 3 times since 2023. Inspectors documented 5 citations, including 2 serious, 1 willful, and 1 repeat violations. Total OSHA penalties assessed against Frontier Insulation LLC come to $26,423. Based on this record, SafeCheck assigns a safety grade of D.

Violations explained

• Scaffolds — specific requirements

  29 CFR 1926.452(a)(9)

  1×

  A specific type of scaffold (tube-and-coupler, fabricated frame, etc.) did not meet its safety requirements.

• PPE — general

  29 CFR 1910.132(b)(3)

  1×

  A workplace hazard assessment was not done or PPE was not provided as required.

• Lockout/tagout

  29 CFR 1910.147(c)(8)

  1×

  Energy isolation procedures for servicing machines were not established or followed.

• Machine guarding

  29 CFR 1910.212(a)(2)

  1×

  Machinery with hazardous moving parts lacked required guards.

• General industry safety standard (29 CFR 1910)

  29 CFR 1910.1030(a)(1)

  1×

  A general industry safety standard was violated.

Inspection timeline

1. November 1, 2025

   No violations cited.

2. October 10, 2025

   2 violations cited (1 serious). 1 accident reported.

3. November 23, 2023

   3 violations cited (1 serious, 1 willful).

Penalties

Initially proposed

$48,987

Current

$26,423

Reduced after settlement

$22,564 (46%)

OSHA frequently reduces initially proposed penalties through informal settlements. The current penalty is what Frontier Insulation LLC actually owes after those adjustments.

Frequently asked questions

Is Frontier Insulation LLC safe to hire?

Frontier Insulation LLC has a SafeCheck grade of D, indicating a below-average OSHA enforcement record (5 citations). This includes 1 willful violation and 1 repeat violation. A poor safety record is a risk factor; consider asking what the contractor has changed since these citations were issued.

How many OSHA violations does Frontier Insulation LLC have?

Frontier Insulation LLC has 5 OSHA violations on record across 3 inspections. Of those, 2 are classified as serious, 1 as willful, and 1 as repeat.

What was Frontier Insulation LLC cited for?

OSHA's most frequent citation against Frontier Insulation LLC relates to scaffolds — specific requirements. SafeCheck's full violation breakdown above translates each cited standard into plain English.

How much has Frontier Insulation LLC paid in OSHA penalties?

Frontier Insulation LLC has been assessed $26,423 in current OSHA penalties. Initial proposed penalties can be higher; OSHA often reduces them through informal settlement.

When was Frontier Insulation LLC last inspected by OSHA?

OSHA's most recent inspection of Frontier Insulation LLC on record was on November 1, 2025.

Where does this OSHA data come from?

SafeCheck builds every scorecard from the U.S. Department of Labor's public OSHA enforcement data. Data shown is current as of May 25, 2026.