# EDGAR Filing Document

**Accession Number:** 0001436126
**File Stem:** 0001436126-25-000051
**Filing Date:** 2025-6
**Character Count:** 2064
**Document Hash:** 6240f13698b25f4f2766986048d20f58
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001436126-25-000051.hdr.sgml**: 20250822

**ACCESSION NUMBER**: 0001436126-25-000051

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250602

**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 2, 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**

**File No. 001-34481**

Ladies and Gentlemen:

Mistras Group, Inc. (the "Company") is in receipt of your letter dated May 19, 2025, regarding your review of the filings referenced above. Please accept this letter as acknowledgement of the Company's agreement with the comment referenced in the aforementioned letter. The Company will promptly revise its Annual Report to Security Holders for Fiscal Year Ended December 31, 2024 to include the following disclosure on pages 4 and 5 where non-GAAP measures are referenced:

"As reported and reconciled in the Company's Form 8-K filed on March 5, 2025."

The Company believes the incorporation of this disclosure is in accordance with the comment set forth in your May 19, 2025 letter.

Sincerely,

/s/ Edward J. Prajzner

Senior Executive Vice President and Chief Financial

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

<br>