FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

OBUS NELSON 		2. Issuer Name and Ticker or Trading Symbol

Williams Industrial Services Group Inc. [ WLMS ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      __ X __ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle)

C/O WILLIAMS INDUSTRIAL SRVS GRP INC., 100 CRESCENT CENTRE PKWY STE 1240 		3. Date of Earliest Transaction (MM/DD/YYYY)

5/20/2019
(Street)

TUCKER, GA 30084
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, $0.01 par value per share   5/20/2019     P    7219   (2) A $2.3   3610264   I   See Footnote   (1)
Common Stock, $0.01 par value per share   5/21/2019     P    22781   (2) A $2.3   3633045   I   See Footnote   (1)
Common Stock, $0.01 par value per share                  87472   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
(1)  As of the date of this Form 4, Mr. Obus is (i) a principal executive officer of Wynnefield Capital, Inc., which is the sole investment manager of Wynnefield Small Cap Value Offshore Fund, Ltd., which beneficially owns 1,047,562 shares of the issuer's common stock; (ii) a co-managing member of Wynnefield Capital Management, LLC, which is the sole general partner of Wynnefield Partners Small Cap Value, L.P. I, which beneficially owns 1,225,580 shares of the issuer's common stock, and the sole general partner of Wynnefield Partners Small Cap Value, L.P., which beneficially owns 1,195,571 shares of the issuer's common stock; and (iii) a co-trustee of Wynnefield Capital, Inc. Profit Sharing & Money Purchase Plan, which beneficially owns 164,332 shares of the issuer's common stock. Mr. Obus disclaims beneficial ownership of the securities described in this footnote except to the extent of his pecuniary interest.
(2)  Of the aggregate number of shares purchased on each of May 20, 2019 and May 21, 2019, Wynnefield Partners Small Cap Value, L.P. I purchased 3,511 shares and 11,081 shares, respectively, while the other Wynnefield entities disclosed in footnote 1 purchased 3,708 shares and 11,700 shares, respectively.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
OBUS NELSON
C/O WILLIAMS INDUSTRIAL SRVS GRP INC.
100 CRESCENT CENTRE PKWY STE 1240
TUCKER, GA 30084 		X X


Signatures
/s/ Charles E. Wheelock for Nelson Obus by Power of Attorney 5/22/2019
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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