# Amentum Environment & Energy, Inc. Business profile: public business information with links to supporting state records. Data as of October 16, 2026. - Legal business name: Amentum Environment & Energy, Inc. - Alternative and DBA names: \* Added; Aecom Energy & Construction Inc.; Amentum Enviroment & Energy, Inc.; Amentumenvironmentenergy; American Piping & Boiler Company; Amentum Environment & Energy,; Emkay Development Company, Inc. (No Record); Ferguson Company, the H. K.; H K Ferguson Company, the; H. K. Ferguson Co the; H.K. Ferguson Company; Hawaii Rail Transit; Kasler Corporation; M-K Ferguson Company; Mk Infrastructure; Mk-Ferguson; Mk-Ferguson Company; Mk-Ferguson Company, Inc.; Mk-Ferguson Division of Morrison Knudsen Corporation; Mk/Traylor Bros, Inc./Frontier-Kemper Constructors, Inc.; Morrison Knudsen (Operations); Morrison Knudsen Corporation; Morrison Knudsen Corporation (Ohio); Morrison Knudsen Corporation (Operations); Morrison Knudsen Corporation, A Corporation of Ohio; Oahu Transit Group; Raytheon Constructors Inc.; Raytheon Engineers & Constructors, Inc.; The H. K. Ferguson Company; The Rainbow Train; Urs Energy & Construction Inc.; Urs Washington Division; Washington Construction Co; Washington Division of Urs; Washington Division of Urs Corporation; Washington Group International / W.W. Clyde & Co Joint Venture; Washington Group International Inc.; Washington Group/Alberici Joint Venture; Washington International, Inc.; WG International, Inc.; Washington Group International - Entity type: C corporation - Original incorporation date: July 1, 1937 - Time in business: 89 years and 3 months - Jurisdiction count: 50 ## All known addresses - 106 Newberry St SW, Aiken, SC 29801 (listed in Alabama, Alaska, Arizona, California, Colorado, Connecticut, District of Columbia, Florida, Georgia, Hawaii, Idaho, Iowa, Kansas, Kentucky, Louisiana, Massachusetts, Missouri, Nebraska, New Hampshire, North Carolina, Oregon, Tennessee, Virginia, Washington, West Virginia, Wyoming) - 4800 Westfields Blvd Ste 400, Chantilly, VA 20151 (listed in Arkansas, South Dakota) - 7800 E Union Ave Ste 100, Denver, CO 80237 (listed in Indiana, Massachusetts, Rhode Island) - 6200 S Quebec St, Greenwood Village, CO 80111 (listed in Iowa, Vermont) - 3 Chase Ave, Augusta, ME 04330 (listed in Maine) - 1 Erieview Plz, Cleveland, OH 44114 (listed in Maryland, West Virginia) - 40600 Ann Arbor Rd E Ste 201, Plymouth, MI 48170 (listed in Michigan) - 1010 Dale St N, Saint Paul, MN 55117 (listed in Minnesota) - 8927 Lorraine Rd Ste 204-A, Gulfport, MS 39503 (listed in Mississippi) - 73 PO Box, Boise, ID 83729 (listed in Mississippi, Texas) - 20501 Seneca Meadows Pkwy Ste 300, Germantown, MD 20876 (listed in Montana) - 4400 Easton Cmns Ste 125, Columbus, OH 43219 (listed in New Mexico) - 28 Liberty St Ste 400, New York, NY 10005 (listed in New York) - 6200 S Quebec St, Englewood, CO 80111 (listed in North Dakota) - 1713 County Road 55, Almont, CO 81210 (listed in Pennsylvania) ## Registered states - [Alabama](https://index.baselayer.com/al/e48bda4792464d2e): Foreign registration - [Alaska](https://index.baselayer.com/ak/8f9a8a4c85f74760): Foreign registration - [Arizona](https://index.baselayer.com/az/431c554586ad0fb8): Foreign registration - [Arizona](https://index.baselayer.com/az/2c6b28fb915cb7dc): Foreign registration, as Morrison Knudsen Corporation - [Arkansas](https://index.baselayer.com/ar/68c809135ef5d484): Foreign registration - [California](https://index.baselayer.com/ca/d3033d5fda80fe8d): Foreign registration - [Colorado](https://index.baselayer.com/co/b2506a29fac05d18): Foreign registration - [Connecticut](https://index.baselayer.com/ct/6b97401841af8cf5): Foreign registration - [Delaware](https://index.baselayer.com/de/52e7bff0c9af9089): Foreign registration, as Aecom Energy & Construction, Inc. - [District of Columbia](https://index.baselayer.com/dc/89444ef6b23bc59c): Foreign registration - [Florida](https://index.baselayer.com/fl/05226db6e43e3368): Foreign registration - [Georgia](https://index.baselayer.com/ga/d8f8ecb47ab40482): Foreign registration - [Hawaii](https://index.baselayer.com/hi/33dd305c043aad0f): Foreign registration - [Idaho](https://index.baselayer.com/id/82574270498ee464): Foreign registration - [Indiana](https://index.baselayer.com/in/08876a0d123dc056): Foreign registration, as Aecom Energy & Construction, Inc. - [Iowa](https://index.baselayer.com/ia/42af9b63319207a4): Foreign registration - [Iowa](https://index.baselayer.com/ia/5d84cb108e6409b5): Foreign registration - [Kansas](https://index.baselayer.com/ks/61ec09ee59e53fc7): Foreign registration - [Kentucky](https://index.baselayer.com/ky/c0aaa3fd1e9b8980): Foreign registration, as The H. K. Ferguson Company - [Louisiana](https://index.baselayer.com/la/4624d73a7bc7cddd): Foreign registration - [Maine](https://index.baselayer.com/me/ad260d3b7e6477f8): Foreign registration - [Maryland](https://index.baselayer.com/md/5db94a8709e4ab15): Foreign registration - [Massachusetts](https://index.baselayer.com/ma/69762fa47b96a6c0): Foreign registration - [Massachusetts](https://index.baselayer.com/ma/e8fa14cdaba56881): Foreign registration, as Urs Energy & Construction, Inc. - [Michigan](https://index.baselayer.com/mi/f57463e79057dbec): Foreign registration - [Minnesota](https://index.baselayer.com/mn/3ce4bc86dc6c0fe8): Foreign registration - [Mississippi](https://index.baselayer.com/ms/0bc26450a7ba26c2): Foreign registration - [Mississippi](https://index.baselayer.com/ms/bbf1fe77319da1d7): Foreign registration, as Mk-Ferguson Company - [Mississippi](https://index.baselayer.com/ms/ca80f660996e08d7): Foreign registration, as Morrison Knudsen Corporation - [Mississippi](https://index.baselayer.com/ms/ef3467542903fb28): Foreign registration, as The H. K. Ferguson Company - [Missouri](https://index.baselayer.com/mo/ec83a93a4a61157d): Foreign registration - [Missouri](https://index.baselayer.com/mo/455d23afad7fca54): Foreign registration, as The H. K. Ferguson Company - [Montana](https://index.baselayer.com/mt/49f6feddefb7e263): Foreign registration, as Aecom Energy & Construction, Inc. - [Nebraska](https://index.baselayer.com/ne/d7b840bd2442fe6d): Foreign registration - [Nevada](https://index.baselayer.com/nv/053168860b86203c): Foreign registration - [New Hampshire](https://index.baselayer.com/nh/0762c22963b4b04d): Foreign registration - [New Jersey](https://index.baselayer.com/nj/889cb4dd7be869d2): Foreign registration - [New Mexico](https://index.baselayer.com/nm/61768d2599dda28a): Foreign registration - [New York](https://index.baselayer.com/ny/fa0607037aa16d33): Foreign registration - [North Carolina](https://index.baselayer.com/nc/4b3185d9c5a4ae72): Foreign registration - [North Dakota](https://index.baselayer.com/nd/dcbdaf18dc84296f): Foreign registration - [Ohio](https://index.baselayer.com/oh/0963abe8e105ed32): Domestic registration - [Oklahoma](https://index.baselayer.com/ok/d2a7f3f4363e3e6e): Foreign registration, as Aecom Energy & Construction, Inc. - [Oregon](https://index.baselayer.com/or/a350f12d097b5a07): Foreign registration - [Pennsylvania](https://index.baselayer.com/pa/011a5330353d5c95): Foreign registration - [Pennsylvania](https://index.baselayer.com/pa/749c355b793296e7): Foreign registration, as The H K Ferguson Company - [Rhode Island](https://index.baselayer.com/ri/c0e8659d40a77e87): Foreign registration - [South Carolina](https://index.baselayer.com/sc/c9dbcece83ea06e4): Foreign registration - [South Dakota](https://index.baselayer.com/sd/d03f750b8402d047): Foreign registration - [South Dakota](https://index.baselayer.com/sd/ad0cddbefa289d2b): Foreign registration, as Urs Energy & Construction, Inc. - [Tennessee](https://index.baselayer.com/tn/f15ab593af99ff3d): Foreign registration - [Texas](https://index.baselayer.com/tx/5efe650d48bd75bc): Foreign registration - [Texas](https://index.baselayer.com/tx/12f1fb2297e9d69c): Foreign registration, as The H K Ferguson Company - [Utah](https://index.baselayer.com/ut/846a6682596922df): Foreign registration - [Vermont](https://index.baselayer.com/vt/34a838b0e510edc1): Foreign registration - [Virginia](https://index.baselayer.com/va/151bb4fbb47c30e8): Foreign registration - [Washington](https://index.baselayer.com/wa/fbeb42c95afca0d7): Foreign registration - [West Virginia](https://index.baselayer.com/wv/f1c3ef397caf1e48): Foreign registration - [West Virginia](https://index.baselayer.com/wv/4c6eabcce56cf969): Foreign registration, as Mk-Ferguson Company - [West Virginia](https://index.baselayer.com/wv/8b4b270ffc1cacc9): Foreign registration, as The H. K. Ferguson Company - [West Virginia](https://index.baselayer.com/wv/46b789519cd8156a): Foreign registration, as The H. K. Ferguson Company - [Wisconsin](https://index.baselayer.com/wi/c88d02b83536c7c5): Foreign registration, as Aecom Energy & Construction, Inc. - [Wisconsin](https://index.baselayer.com/wi/8e7739648e8bba82): Foreign registration - [Wyoming](https://index.baselayer.com/wy/46ef560bade1d1a2): Foreign registration Source: public state registration records. Missing values are not a negative finding. Cite as: Baselayer Business Index (https://index.baselayer.com/business/0963abe8e105ed32)