Exhibit 21.1

THE SHAW GROUP INC.

50% AND GREATER OWNED SUBSIDIARIES

(Updated as of October 26, 2011)

NO.	ENTITY NAME
1	Aiton & Co Limited
2	American Eagle Design-Build Studio LLC
3	American Plastic Pipe and Supply, L.L.C.
4	Arlington Avenue E Venture, LLC
5	Atlantic Contingency Constructors, LLC
6	B.F. Shaw, Inc.
7	Badger Licensing LLC
8	Badger Technologies, L.L.C.
9	Badger Technology Holdings, L.L.C.
10	Bellefontaine Gas Producers, LLC
11	Bellefontaine Leachate Services, LLC
12	Benicia North Gateway II, L.L.C.
13	C.B.P. Engineering Corp.
14	Camden Road Venture, LLC
15	Cleanup Oversight Partners
16	Coastal Consultoria Ambiental Ltda.
17	Coastal Estuary Services, L.L.C.
18	Coastal Infrastructure Solutions, LLC
19	Coastal Planning & Engineering, Inc.
20	Cojafex B.V.
21	Convey All Bulk, L.L.C.
22	EDS Equipment Company, LLC
23	EMCON/OWT, Inc.
24	Emergency Response Services, LLC

NO.	ENTITY NAME
25	Environmental Solutions (Cayman) Ltd.
26	Environmental Solutions Holding Ltd.
27	Environmental Solutions Ltd.
28	Environmental Solutions of Ecuador S.A. Envisolutec
29	ES3 – EBSE Shaw Spool Solutions Fabricacao de Sistemas de Tubulacao Ltda
30	Field Services Canada Inc.
31	Field Services, LLC
32	Findlay Inn Limited Partnership
33	Ft. Leonard Wood Management Company, L.L.C.
34	GFM Real Estate LLC
35	GHG Solutions, Inc.
36	Great Southwest Parkway Venture, LLC
37	Greater Baton Rouge Ethanol, L.L.C.
38	High Desert Support Services, LLC
39	HL Newhall II, L.L.C.
40	HMM-Shaw J.V.
41	Holding Manufacturas Shaw South America, C.A.
42	Integrated Site Solutions, L.L.C.
43	International Consultants, L.L.C.
44	IT Holdings Canada, Inc.
45	Jernee Mill Road, L.L.C.
46	Kato Road II, L.L.C.
47	KB Home/Shaw Louisiana LLC
48	Kings Bay Support Services, LLC
49	KIP I, L.L.C.
50	LandBank Baker, L.L.C.

NO.	ENTITY NAME
51	LandBank Properties, L.L.C.
52	LFG Specialties, L.L.C.
53	Liquid Solutions (Bridgeton), LLC
54	Liquid Solutions LLC
55	Lone Star Fabricators, Inc.
56	Manufacturas Shaw South America, C.A.
57	Millstone River Wetland Services, L.L.C.
58	Newburg-Perini/S&W
59	Northeast Plaza Venture I, LLC
60	Norwood Venture I, L.L.C.
61	Nuclear Energy Holdings, L.L.C.
62	Nuclear Technology Solutions, L.L.C.
63	Otay Mesa Ventures II, L.L.C.
64	Pacific Support Group LLC
65	Pike Properties I, Inc.
66	Pike Properties II, Inc.
67	Pipework Engineering and Developments Limited
68	Plattsburg Venture, L.L.C.
69	Prospect Industries (Holdings) Inc.
70	PT Stone & Webster Indonesia
71	Raritan Venture I, L.L.C.
72	S C Woods, L.L.C.
73	SELS Administrative Services, L.L.C.
74	Shaw A/DE, Inc.
75	Shaw Aiton Australia Pty Limited
76	Shaw Alaska, Inc.

NO.	ENTITY NAME
77	Shaw Alloy Piping Products, LLC
78	Shaw Americas, L.L.C.
79	Shaw APP Tubeline, Inc.
80	Shaw AREVA Mox Services, LLC
81	Shaw Asia Company, Limited
82	Shaw Beale Housing, L.L.C.
83	Shaw Beneco, Inc.
84	Shaw Biofuels, L.L.C.
85	Shaw California, L.L.C.
86	Shaw Canada L.P.
87	Shaw Capital (Cayman)
88	Shaw Capital, LLC
89	Shaw CENTCOM Services, L.L.C.
90	Shaw CMS, Inc.
91	Shaw Coastal, Inc.
92	Shaw Connex, Inc.
93	Shaw Constructors, Inc.
94	Shaw Consultants International Limited
95	Shaw Consultants International, Inc.
96	Shaw Dunn Limited
97	Shaw E & I International Ltd.
98	Shaw E & I Investment Holdings, Inc.
99	Shaw East Tennessee Solutions, LLC
100	Shaw Energy & Chemicals France SAS
101	Shaw Energy & Chemicals International, Inc.
102	Shaw Energy & Chemicals Limited

NO.	ENTITY NAME
103	Shaw Energy & Chemicals, Inc.
104	Shaw Energy Services, Inc.
105	Shaw Environmental & Infrastructure International, LLC
106	Shaw Environmental & Infrastructure Massachusetts, Inc.
107	Shaw Environmental & Infrastructure, Inc.
108	Shaw Environmental International, Inc.
109	Shaw Environmental Liability Solutions, L.L.C.
110	Shaw Environmental, Inc.
111	Shaw Europe, Inc.
112	Shaw Export Company, S. de R. L. de C.V.
113	Shaw Fabrication & Manufacturing International, Inc.
114	Shaw Fabrication & Manufacturing, Inc.
115	Shaw Fabricators, Inc.
116	Shaw Facilities, Inc.
117	Shaw Far East Services, LLC
118	Shaw Field Services, LLC
119	Shaw FMG, LLC
120	Shaw Fronek Company (FCI), LLC
121	Shaw Fronek Power Services, Inc.
122	Shaw Ft. Leonard Wood Housing II, L.L.C.
123	Shaw Ft. Leonard Wood Housing, L.L.C.
124	Shaw GBB International, LLC
125	Shaw GBB Maintenance, Inc.
126	Shaw GBB, LLC
127	Shaw Global Energy Services, LLC
128	Shaw Global Offshore Services, Inc.

NO.	ENTITY NAME
129	Shaw Global Services, LLC
130	Shaw Global, L.L.C.
131	Shaw Group Power Limited
132	Shaw Group UK Holdings
133	Shaw Group UK International Services, Ltd.
134	Shaw Group UK Limited
135	Shaw GRP of California
136	Shaw Hanscom Housing, L.L.C.
137	Shaw Heat Treating Service, C.A.
138	Shaw Home Louisiana, Inc.
139	Shaw India Limited
140	Shaw Industrial Supply Co., LLC
141	Shaw Infrastructure, Inc.
142	Shaw Intellectual Property Holdings, LLC
143	Shaw International Management Services Two, Inc.
144	Shaw International, Inc.
145	Shaw International, Ltd.
146	Shaw JV Holdings, L.L.C.
147	Shaw Lancas, C.A.
148	Shaw Liquid Solutions LLC
149	Shaw Little Rock Housing, L.L.C.
150	Shaw Maintenance, Inc.
151	Shaw Managed Services, LLC
152	Shaw Management Services One, Inc.
153	Shaw Manpower, S. de R.L. de C.V.
154	Shaw Matamoros Fabrication and Manufacturing, S. de R.L. de C.V.

NO.	ENTITY NAME
155	Shaw Mexican Holdings, S. de R.L. de C.V.
156	Shaw Mexico Employment Recruiters, S. de R.L. de C.V.
157	Shaw Mexico Real Estate Holdings, S. de R.L. de C.V.
158	Shaw Mexico, L.L.C.
159	Shaw Mid States Pipe Fabricating, Inc.
160	Shaw Morgan City Terminal, LLC
161	Shaw NAPTech, Inc.
162	Shaw NC Company, Inc.
163	Shaw North Carolina, Inc.
164	Shaw Northeast Housing, L.L.C.
165	Shaw Northwest Housing, L.L.C.
166	Shaw Nuclear Energy Holdings (UK), Inc.
167	Shaw Nuclear Services, Inc.
168	Shaw Overseas (Far East) Ltd.
169	Shaw Overseas (Middle East) Ltd.
170	Shaw Pacific Pte. Ltd.
171	Shaw Pipe Supports, LLC
172	Shaw Power Delivery Systems, Inc.
173	Shaw Power International, Inc.
174	Shaw Power Services Group, L.L.C.
175	Shaw Power Services, LLC
176	Shaw Power Technologies, Inc.
177	Shaw Power, Inc.
178	Shaw Process and Industrial Group, LLC
179	Shaw Process Fabricators, Inc.
180	Shaw Project Services Group, Inc.

NO.	ENTITY NAME
181	Shaw Property Holdings, LLC
182	Shaw Remediation Services, L.L.C.
183	Shaw Rio Grande Holdings, L.L.C.
184	Shaw Rio Grande Valley Fabrication & Manufacturing, L.L.C.
185	Shaw Services, L.L.C
186	Shaw SKE&C Middle East Ltd.
187	Shaw SSS Fabricators, Inc.
188	Shaw Stone & Webster Arabia Co., Ltd.
189	Shaw Sunland Fabricators, LLC
190	Shaw Transmission & Distribution Services International, Inc.
191	Shaw Transmission & Distribution Services, Inc.
192	Shaw Tulsa Fabricators, Inc.
193	SHAW-AIM, JV
194	Shaw-Gemmo Egypt, LLC
195	Shaw-Robotic Environmental Services, L.L.C.
196	So-Glen Gas Co., LLC
197	Stone & Webster Asia, Inc.
198	Stone & Webster Canada Holding One (N.S.), ULC
199	Stone & Webster Canada Holding Two, Inc.
200	Stone & Webster Construction Services, L.L.C.
201	Stone & Webster Construction, Inc.
202	Stone & Webster Engineering (Thailand) Ltd.
203	Stone & Webster Holding One, Inc.
204	Stone & Webster Holding Two, Inc.
205	Stone & Webster International B.V.
206	Stone & Webster International Holdings, Inc.

NO.	ENTITY NAME
207	Stone & Webster International, Inc.
208	Stone & Webster Massachusetts, Inc.
209	Stone & Webster Mauritius Limited
210	Stone & Webster Michigan, Inc.
211	Stone & Webster Process Technologies B.V.
212	Stone & Webster Process Technology, Inc.
213	Stone & Webster Services, L.L.C.
214	Stone & Webster, Inc.
215	Stone & Webster/Fluor Daniel JV
216	The LandBank Group, Inc.
217	The Shaw Group Inc.
218	The Shaw Group International Inc.
219	The Shaw Group UK 1997 Pension Scheme Limited
220	The Shaw Group UK 2001 Pension Plan Limited
221	The Shaw Group UK Pension Plan Limited
222	TVL Lender II, Inc.
223	United Conversion Services, LLC
224	Whessoe Piping Systems Limited
225	Whippany Venture I, L.L.C.
226	World Industrial Constructors, Inc.