# EDGAR Filing Document

**Accession Number:** 0001436126
**File Stem:** 0001436126-25-000055
**Filing Date:** 2025-6
**Character Count:** 1795
**Document Hash:** b5d8d2f71570dcfa7c20273af085149b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001436126-25-000055.hdr.sgml**: 20250822

**ACCESSION NUMBER**: 0001436126-25-000055

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250612

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Mistras Group, Inc.
- **CENTRAL INDEX KEY:** 0001436126
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-ENGINEERING SERVICES [8711]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 223341267
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** CORRESP

**BUSINESS ADDRESS:**
- **STREET 1:** 195 CLARKSVILLE ROAD
- **CITY:** PRINCETON JUNCTION
- **STATE:** NJ
- **ZIP:** 08550
- **BUSINESS PHONE:** 609-716-4000

**MAIL ADDRESS:**
- **STREET 1:** 195 CLARKSVILLE ROAD
- **CITY:** PRINCETON JUNCTION
- **STATE:** NJ
- **ZIP:** 08550

June 12, 2025

Division of Corporation Finance

U.S. Securities and Exchange Commission

ATTN: Valeria Franks and Keira Nakada

Washington, D.C. 20459

**Re:&nbsp;&nbsp;&nbsp;&nbsp;Mistras Group, Inc.**

**Form 10-K for Fiscal Year Ended December 31, 2024**

**Annual Report to Security Holders for Fiscal Year Ended December 31, 2024**

**Correspondence letter dated June 11, 2025**

**File No. 001-34481**

Ladies and Gentlemen:

Mistras Group, Inc. (the "Company") is in receipt of your letter dated June 11, 2025, regarding your review of our June 2, 2025 response to your comment letter dated May 19, 2025. Please accept this letter as acknowledgement that the Company will provide reconciliations for all non-GAAP measures to comparable GAAP measures in future Annual Reports to Security Holders.

Sincerely,

/s/ Edward J. Prajzner

Senior Executive Vice President and Chief Financial

&nbsp;&nbsp;&nbsp;&nbsp;Officer

<br>