Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,992Inspections Most recent open 2026-07-18 Last loaded 2026-07-22

OSHA Inspection: PROTO LABS, INC.

Complaint inspection · Safety discipline

On , OSHA opened a complaint safety inspection of PROTO LABS, INC. in 22 CHARRON AVENUE, NASHUA, NH 03063 (NAICS 332999). OSHA activity number 345412555.

What this inspection record means

OSHA opens inspections for many reasons — routine scheduling under a national or local emphasis program, an employee complaint or referral, or a follow-up after a reported injury. Opening or conducting an inspection is not itself an allegation or a finding that this employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

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Establishment
PROTO LABS, INC.
Site address
22 CHARRON AVENUE
City
NASHUA
State
NH
ZIP
03063
Mailing
15 CHARRON AVENUE, NASHUA, NH 03063
Inspection type
Complaint (B)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
332999
Employees
400
Ownership type
A

3 citations on file for this inspection.

1910.147 C07 I

Serious Gravity 5 1 instance 10 exposed
Issued
Sep 23, 2021
Abate by
Oct 13, 2021
Penalty
Initial $9,753 · Current $4,800 Reduced
29 CFR  1910.147(c)(7)(i): The employer did not provide adequate training to ensure that employees acquired the knowledge and skills required for the safe application, usage and removal of energy control devices:  Site- Employees required to conduct cleaning inside the IPG LaserCube SYS-4X4-YLS Flat-Bed Cutter Systems, where the equipment was not locked out, were not provided with lock out/tag out training.
Recent events (2)
  • — I (S) $4800
  • — Z (S) $9753

1910.147 D04 I

Serious Gravity 5 1 instance 10 exposed
Issued
Sep 23, 2021
Abate by
Oct 27, 2021
Penalty
Initial $9,753 · Current $4,800 Reduced
29 CFR  1910.147(d)(4)(i): Lockout or tagout devices were not affixed to each energy isolating device by authorized employees:   a. Site- On or about June 12, 2021 an employee and a vendor employee servicing the cell 5 IPG LaserCube SYS-4X4-YLS Flat-Bed Cutter System were not protected from severe laceration, amputation, and burn hazards where each energy source on the equipment was not locked out.   b. Site- Employees required to conduct cleaning inside the IPG LaserCube SYS-4X4-YLS Flat-Bed Cutter Systems where not protected from severe laceration, amputation, and burn hazards where the employer did not require the equipment to be not locked out.
Recent events (2)
  • — I (S) $4800
  • — Z (S) $9753

1910.147 C04 I

Other-than-serious 1 instance 40 exposed
Issued
Sep 23, 2021
Abate by
Oct 27, 2021
Penalty
Initial $0 · Current $0
29 CFR  1910.147(c)(4)(i):Procedures were not developed, documented and utilized for the control of potentially hazardous energy when employees were engaged in activities covered by this section:  Site- The employers lock out/tag out written procedure for the IPG LaserCube SYS-4X4-YLS Flat-Bed Cutter Systems did not include locking out the resonator.
Recent events (2)
  • — I (O) $0
  • — Z (O) $0

View Proto Labs, INC.'s full OSHA safety record →

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 345412555.

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