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Unicircuit, Inc.: OSHA inspections and violations

Littleton, Colorado · Bare Printed Circuit Board Manufacturing · NAICS 334412

3inspections
2citation items
$12,862current penalties
Nov 20, 2025last inspection

Unicircuit, Inc. has 3 OSHA inspections on record in Colorado, the first in 1986.

OSHA's last visit started on Nov 20, 2025 after a complaint, in Littleton.

Across those inspections OSHA issued 2 citation items: 2 other-than-serious.

OSHA proposed $6,431 in penalties and the amount has not been reduced.

For context, across all manufacturing employers the median penalty per cited inspection since 2015 is $3,600. Unicircuit, Inc. averages $6,431 over 2 cited inspections in that time.

Unicircuit, Inc. also files yearly injury logs with OSHA, summarized below.

Unicircuit, Inc.: OSHA citation items per year, 1986 to 2025
Citation items per year, by inspection date.

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Inspection history

Inspection 348606575 OPENED NOV 20, 2025Closed

Complaint · Partial · Health · 120 employees at the site · Closed May 25, 2026

8192 Southpark Lane, Littleton, CO 80120 · Bare Printed Circuit Board Manufacturing · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1b
29 CFR 1910.133(a)(1) · Eye and face protection
Other-than-serious$0$6,431Feb 23, 2026Final

Inspection 348646290 OPENED NOV 20, 2025Closed

Complaint · Partial · Safety · 350 employees at the site · Closed Apr 16, 2026

8192 Southpark Lane, Littleton, CO 80120 · Bare Printed Circuit Board Manufacturing · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1910.219(f)(3) · Belts, pulleys and power-transmission parts
Other-than-serious$6,431$6,431Feb 23, 2026Final

Inspection 101700193 OPENED NOV 20, 1986Closed

Planned · Records only · Safety · 22 employees at the site · Closed Nov 21, 1986

14 Inverness Dr E. Bldg E, Suite 128, Englewood, CO 80112 · OSHA's record · Phone and website on Google Maps

No citations from this inspection.

Injury and illness logs

From the Form 300A summaries employers file with OSHA each year. Rate = recordable cases per 100 full-time workers.

In 2024, the Littleton site logged 7 recordable injuries or illnesses among about 322 workers: 0.6 per 100 full-time workers, against a median of 0.5 for its industry. Those cases cost 5 days away from work.

Site and yearWorkersCasesDays-away casesRateIndustry median
Unicircuit Inc.; a Subsidiary of TTM Technologies
Littleton · 2024
322 710.60.5
Unicircuit - Littleton
Littleton · 2021
245 301.30.5

The rules behind these citations

Current text from the Code of Federal Regulations. Some citations were issued under older wording.

29 CFR 1910.133 · Eye and face protection

29 CFR 1910.133(a)(1)

(a) General requirements. (1) The employer shall ensure that each affected employee uses appropriate eye or face protection when exposed to eye or face hazards from flying particles, molten metal, liquid chemicals, acids or caustic liquids, chemical gases or vapors, or potentially injurious light radiation.

29 CFR 1910.219 · Belts, pulleys and power-transmission parts

29 CFR 1910.219(f)(3)

(3) Sprockets and chains. All sprocket wheels and chains shall be enclosed unless they are more than seven (7) feet above the floor or platform. Where the drive extends over other machine or working areas, protection against falling shall be provided. This subparagraph does not apply to manually operated sprockets.

Other bare printed circuit board manufacturing employers in Colorado

Source: U.S. Department of Labor, OSHA enforcement data. A citation is OSHA's allegation; employers can contest it, and the status column shows where each item stands. Something wrong on this page? Tell us.