Private company

Rowan Companies

Rowan Companies is a company which merged with Ensco plc to form Valaris plc based in London, founded in 1923.¹ It ceased to exist in 2019.¹

Last updated Oct 21, 2026.

Overview

1923Founded¹

Industrypetroleum industry¹
HeadquartersLondon¹
Websitewww.rowancompanies.com
Legal formpublic limited company¹
Listed onNew York Stock Exchange¹
Incorporated inUnited Kingdom⁴
Business addressCannon Place, 78 Cannon Street, London, X0 Ec4N 6Af⁴
Filer categoryLarge Accelerated, Well Known Seasoned Issuer⁴
LEI549300NEY1GYM14FVV75³
StatusInactive³
LEI statusRetired³
Registered addressMITRE HOUSE, EC1A 4DD London, United Kingdom³
Registered withCompanies House, 07805263³

See how the biggest companies compare on our leaderboards

Corporate structure

Rowan Companies is part of a group headed by Valaris plc. 133 entities, 27 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Valaris plc London
- Rowan Companies Houston, Texas, United States
- Alpha Achiever Company S.à r.l. Subsidiary · Luxembourg
- Alpha Admiral Company S.à r.l. Subsidiary · Luxembourg
- Alpha Archer Company S.à r.l. Subsidiary · Luxembourg
- Alpha International Drilling Company S.à r.l. Subsidiary · Luxembourg
- Alpha Offshore Drilling Services Company Subsidiary · Cayman Islands
- Alpha Offshore Drilling Services Company (Ghana) Limited Subsidiary · Ghana
- Alpha Orca Company S.à r.l. Subsidiary · Luxembourg
- ATLANTIC MARITIME SERVICES LLC Subsidiary · Delaware, United States
- Atwood Advantage S.à r.l. Subsidiary · Luxembourg
- Atwood Beacon S.à r.l. Subsidiary · Luxembourg
- Atwood Oceanics (M) Sdn. Bhd. Subsidiary · Malaysia
- Atwood Offshore Drilling Limited Subsidiary · Hong Kong
- Atwood Offshore Worldwide Limited Subsidiary · Cayman Islands
- Aurora Offshore Services Gmbh Subsidiary · Germany
- C.A. Foravep, Forasol Venezuela de Perforaciones Subsidiary · Venezuela
- Clearways Offshore Drilling Sdn. Bhd. Subsidiary · Malaysia
- Drillquest Offshore Company Subsidiary · Cayman Islands
- Durand Maritime S.A.S. Subsidiary · France
- ENSCO (Bermuda) Limited Subsidiary · Bermuda
- Ensco (Thailand) Limited Subsidiary · Thailand
- ENSCO Arabia Company Limited Subsidiary · Saudi Arabia
- ENSCO Asia Company LLC Subsidiary · Texas, United States
- ENSCO Asia Pacific Pte. Limited Subsidiary · Singapore
- ENSCO Corporate Resources LLC Subsidiary · Delaware, United States
- and 107 more

Built from subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Rowan Companies reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Property and equipment

Item	Latest	A year before	Change
Machinery and equipment	$8.5B⁵ Dec 31, 2018	$8.7B⁵ Dec 31, 2017	−2.2%
Property and equipment, before depreciation	$8.7B⁵ Dec 31, 2018	$8.8B⁵ Dec 31, 2017	−2.1%
Accumulated depreciation	$2.5B⁵ Dec 31, 2018	$2.3B⁵ Dec 31, 2017	+7.5%
Property and equipment, net	$6.2B⁵ Dec 31, 2018	$6.6B⁵ Dec 31, 2017	−5.4%

Investments

Item	Latest	A year before	Change
Cash and cash equivalents	$1.0B⁵ Dec 31, 2018	$1.3B⁵ Dec 31, 2017	−22.9%

Leadership

Who has led Rowan Companies, and when. Pick a name to see everywhere that person has worked.

Chief executive

Chair

President

Chief financial officer

Chief operating officer

Thomas Peter Burke2012–2014

197019801990200020102020

Chief executive officerKelly Andrew McHenry Feb 26, 2018 to Apr 11, 2019⁶
Chief executive officerThomas Peter Burke Jan 4, 2010 to Apr 11, 2019⁷
Chief executive officerMelanie Montague Trent Apr 15, 2008 to Apr 13, 2009⁸
Chief executive officerW. Matt Ralls Dec 4, 2008 to Mar 10, 2014⁹
Chief executive officerDaniel F. McNease May 2, 2006 to Jan 5, 2009¹⁰
ChairW. Matt Ralls Apr 29, 2014 to May 2, 2016¹¹
ChairDaniel F. McNease May 2, 2006 to Jan 5, 2009¹⁰
PresidentThomas Peter Burke Jan 4, 2010 to Apr 11, 2019⁷
PresidentW. Matt Ralls Dec 4, 2008 to Mar 7, 2013⁹
Chief financial officerStephen M. Butz Dec 4, 2014 to Apr 11, 2019¹²
Chief financial officerJohn Kevin Bartol Feb 27, 2013 to Dec 2, 2014¹³
Chief operating officerThomas Peter Burke Mar 9, 2012 to Mar 10, 2014¹⁴

Board members and other officers (39)

SVP - Business DevelopmentAlan Quintero Jan 8, 2018 to Apr 11, 2019¹⁵
Vice President- HRRichard Jason Anderson May 30, 2017 to Apr 11, 2019¹⁶
Vice President, Drilling OprsKelly Andrew McHenry Jun 5, 2017 to Sep 25, 2017¹⁷
Chief Accounting OfficerDennis S. Baldwin Apr 4, 2016 to Apr 11, 2019¹⁸
Senior Vice PresidentFrankie Derek Necaise May 5, 2014 to Mar 8, 2016¹⁹
Senior Vice PresidentNewton Pharr Smith May 5, 2014 to Jan 18, 2017²⁰
Senior Vice PresidentTravis Fred Brooks May 5, 2014 to Apr 11, 2019²¹
VP, Strategic PlanningJohn Kevin Bartol Aug 2, 2007 to May 8, 2012²²
ControllerGregory Michael Hatfield Jan 3, 2006 to Apr 4, 2016²³
Senior Vice President - LegalJohn L. Buvens Jan 3, 2006 to Oct 17, 2014²⁴
Asst Treasurer & Asst SecyLynda A. Aycock Jan 3, 2006 to Jan 3, 2006²⁵
Senior Vice Pres. - MarketingMark A. Keller Jan 3, 2006 to Mar 7, 2017²⁶
Assistant TreasurerPatrick Glyn Wheeler Jan 3, 2006 to Jan 3, 2006²⁷
VP - Investor RelationsWilliam C. Provine Jan 3, 2006 to Jan 5, 2009²⁸
Vice chairRobert G. Croyle Jan 4, 2006 to Jan 22, 2007²⁹
VP - ManufacturingDan C. Eckermann Mar 9, 2006 to May 7, 2009³⁰
Corp Secy & Compliance OfficerMelanie Montague Trent May 2, 2006 to Mar 10, 2014³¹
VP - Human ResourcesTerry D. Woodall May 2, 2006 to May 1, 2012³²
Board memberThierry Pilenko May 30, 2017 to Apr 11, 2019³³
Board memberJack B. Moore May 2, 2016 to Apr 11, 2019³⁴
Board memberCharles L. Szews Aug 23, 2016 to Apr 11, 2019³⁵
Board memberWilliam E. Albrecht Oct 29, 2015 to Apr 11, 2019³⁶
Board memberThomas Peter Burke Apr 29, 2014 to Apr 11, 2019³⁷
Board memberTore I. Sandvold Jun 3, 2013 to Apr 11, 2019³⁸
Board memberSuzanne P. Nimocks Dec 15, 2010 to Apr 11, 2019³⁹
Board memberJohn J. Quicke Jan 26, 2009 to Apr 11, 2019⁴⁰
Board memberLawrence Ruisi May 7, 2009 to Jul 31, 2009⁴¹
Board memberThomas R. Hix May 7, 2009 to Apr 11, 2019⁴²
Board memberW. Matt Ralls May 7, 2009 to Mar 10, 2014⁴³
Board memberRobert E. Kramek Jan 22, 2007 to Apr 17, 2012⁴⁴
Board memberRobert G. Croyle Jan 4, 2006 to Jun 3, 2013²⁹
Board memberHenry E. Lentz Mar 9, 2006 to Dec 1, 2008⁴⁵
Board memberFrederick R. Lausen Apr 18, 2006 to Apr 17, 2012⁴⁶
Board memberColin B. Moynihan Apr 26, 2006 to May 5, 2015⁴⁷
Board memberGraham Hearne May 2, 2006 to May 30, 2017⁴⁸
Board memberJohn R. Huff May 2, 2006 to May 7, 2009⁴⁹
Board memberP. Dexter Peacock May 2, 2006 to May 30, 2017⁵⁰
General counselMark Francis Mai May 18, 2017 to Apr 11, 2019⁵¹
General counselMelanie Montague Trent Oct 6, 2014 to May 2, 2017⁵²

Former names

ROWAN COMPANIES INCFeb 10, 1994 to May 2, 2012⁴

Timeline

2019Dissolved Dissolved¹
Feb 26, 2018New chief executive Kelly Andrew McHenry becomes CEO⁶
Jan 4, 2010New chief executive Thomas Peter Burke becomes CEO⁷
Dec 4, 2008New chief executive W. Matt Ralls becomes CEO⁹
Apr 15, 2008New chief executive Melanie Montague Trent becomes CEO⁸
May 2, 2006New chief executive Daniel F. McNease becomes CEO¹⁰
1923Founded Founded¹

SEC filer profile

How Rowan Companies is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

Name on EDGARROWAN COMPANIES PLC²
CIK0000085408
Employer ID (EIN)98-1023315²
Filer statusLarge accelerated<br>well known seasoned issuer²
Incorporated inUnited Kingdom²
Fiscal year endsDecember 31²
Industry code (SIC)1381 Drilling Oil & Gas Wells²
Business addressCannon Place, 78 Cannon Street, London, X0 EC4N 6AF²
Mailing address2800 Post Oak Boulevard, Suite 5450, Houston, TX 77056²
Phone7136217800²
Shares outstanding127,294,643 as of Feb 21, 2019⁵
Public float$2.1B as of Jun 30, 2018⁵
On EDGAR sinceFeb 10, 1994²
Filings1,873 in all: 4 (922), 8-K (365), 10-Q (75), SC 13G/A (73), DEFA14A (44), SC 13G (41), 11-K (30), 3 (30)²
All 52 form types
DEF 14A (27), SC 13D/A (22), 10-K (21), S-8 POS (20), 5 (17), UPLOAD (16), 8-K/A (15), 4/A (12), CORRESP (10), POSASR (10), S-8 (10), ARS (9), S-3 (9), 424B5 (8), S-3/A (8), 424B3 (7), PX14A6G (7), FWP (6), SC 13D (6), 10-K405 (5), 8-A12B/A (5), S-3ASR (5), 3/A (4), PRE 14A (4), 10-Q/A (3), 25-NSE (3), 10-K/A (2), 11-K/A (2), 15-12B (2), 425 (2), DEFM14A (2), DEFR14A (2), 11-KT (1), 25 (1), 25/A (1), 424A (1), 424B4 (1), 8-K12B (1), CB (1), CT ORDER (1), DFAN14A (1), POS462C (1), PREM14A (1), PRER14A (1)
Latest filingsAnnual report (10-K) Feb 27, 2019
Quarterly report (10-Q) Oct 31, 2018
Proxy statement (DEF 14A) Apr 3, 2018
Latest 8-K (8-K) Apr 11, 2019

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataRowan Companies on Wikidata
2
SEC EDGARRowan Companies filings on SEC EDGAR
3
GLEIFRowan Companies LEI record (549300NEY1GYM14FVV75)
4
SEC EDGARRowan Companies filings on SEC EDGAR
5
SEC EDGARRowan Companies 10-K for fiscal 2018
6
SEC EDGARKelly Andrew McHenry, Chief executive officer
7
SEC EDGARThomas Peter Burke, Chief executive officer
8
SEC EDGARMelanie Montague Trent, Chief executive officer
9
SEC EDGARW. Matt Ralls, Chief executive officer
10
SEC EDGARDaniel F. McNease, Chief executive officer
11
SEC EDGARW. Matt Ralls, Chair
12
SEC EDGARStephen M. Butz, Chief financial officer
13
SEC EDGARJohn Kevin Bartol, Chief financial officer
14
SEC EDGARThomas Peter Burke, Chief operating officer
15
SEC EDGARAlan Quintero, SVP - Business Development
16
SEC EDGARRichard Jason Anderson, Vice President- HR
17
SEC EDGARKelly Andrew McHenry, Vice President, Drilling Oprs
18
SEC EDGARDennis S. Baldwin, Chief Accounting Officer
19
SEC EDGARFrankie Derek Necaise, Senior Vice President
20
SEC EDGARNewton Pharr Smith, Senior Vice President
21
SEC EDGARTravis Fred Brooks, Senior Vice President
22
SEC EDGARJohn Kevin Bartol, VP, Strategic Planning
23
SEC EDGARGregory Michael Hatfield, Controller
24
SEC EDGARJohn L. Buvens, Senior Vice President - Legal
25
SEC EDGARLynda A. Aycock, Asst Treasurer & Asst Secy
26
SEC EDGARMark A. Keller, Senior Vice Pres. - Marketing
27
SEC EDGARPatrick Glyn Wheeler, Assistant Treasurer
28
SEC EDGARWilliam C. Provine, VP - Investor Relations
29
SEC EDGARRobert G. Croyle, Vice chair
30
SEC EDGARDan C. Eckermann, VP - Manufacturing
31
SEC EDGARMelanie Montague Trent, Corp Secy & Compliance Officer
32
SEC EDGARTerry D. Woodall, VP - Human Resources
33
SEC EDGARThierry Pilenko, Board member
34
SEC EDGARJack B. Moore, Board member
35
SEC EDGARCharles L. Szews, Board member
36
SEC EDGARWilliam E. Albrecht, Board member
37
SEC EDGARThomas Peter Burke, Board member
38
SEC EDGARTore I. Sandvold, Board member
39
SEC EDGARSuzanne P. Nimocks, Board member
40
SEC EDGARJohn J. Quicke, Board member
41
SEC EDGARLawrence Ruisi, Board member
42
SEC EDGARThomas R. Hix, Board member
43
SEC EDGARW. Matt Ralls, Board member
44
SEC EDGARRobert E. Kramek, Board member
45
SEC EDGARHenry E. Lentz, Board member
46
SEC EDGARFrederick R. Lausen, Board member
47
SEC EDGARColin B. Moynihan, Board member
48
SEC EDGARGraham Hearne, Board member
49
SEC EDGARJohn R. Huff, Board member
50
SEC EDGARP. Dexter Peacock, Board member
51
SEC EDGARMark Francis Mai, General counsel
52
SEC EDGARMelanie Montague Trent, General counsel