| 1 | Baker Hughes Company | USA | Houston | 575 N Dairy Ashford Rd Ste 100 | Harris | 77079 | bakerhughes.***** | 1986 | $27,829,000,000 | 55,000 | N/A | N/A | 6195713 |
| 2 | Baker Hughes Holdings LLC | USA | Houston | 17021 Aldine Westfield Rd | Harris | 77073 | bakerhughes.***** | 1986 | $21,156,000,000 | 55,000 | N/A | N/A | 2106297 |
| 3 | Championx CORPORATION | USA | The Woodlands | 2445 Technology Forest Blvd Bldg 4 | Montgomery | 77381 | championx.***** | 2025 | $3,633,983,000 | 7,100 | N/A | N/A | 6569144 |
| 4 | Dnow INC. | USA | Houston | 7402 N Eldridge Pkwy | Harris | 77041 | dnow.***** | 2013 | $2,373,000,000 | 2,575 | N/A | N/A | 5436103 |
| 5 | Yantai Jereh Oilfield Services Group CO., LTD. | China | Yantai | No.5, Jierui Road, Laishan District | Shandong | 264003 | N/A | 1999 | $1,843,205,856 | 7,116 | N/A | N/A | 370613228004625 |
| 6 | National Oilwell Varco, L.P. | USA | Houston | 10353 Richmond Ave | Harris | 77042 | nov.***** | 1996 | $1,641,888,141 | 700 | N/A | N/A | 5877238 |
| 7 | Halliburton Far East PTE LTD | Singapore | Singapore | 315 Jalan Ahmad Ibrahim | Singapore | 639940 | halliburton.***** | 1990 | $1,585,437,000 | 350 | N/A | N/A | 199001491D |
| 8 | Fmc Technologies, INC. | USA | Houston | 13460 Lockwood Rd | Harris | 77044 | technipfmc.***** | 2000 | $1,345,482,020 | 17,400 | N/A | N/A | 3315658 |
| 9 | Cactus, INC. | USA | Houston | 920 Memorial City Way Ste 300 | Harris | 77024 | cactuswhd.***** | 2011 | $1,129,814,000 | 1,600 | N/A | N/A | 6319424 |
| 10 | Sinopec Oilfield Equipment CORPORATION | China | Wuhan | 12th Floor, Building A2, Optics Valley Financial Port, No. 77 Op | Hubei | 430205 | N/A | 1998 | $1,109,214,750 | 4,745 | N/A | N/A | 420100000177402 |
| 11 | Angot Energy PTE LTD | United Arab Emirates | Dubai | Emirates Towers, Floor 41 | Dubai | N/A | N/A | 2004 | $1,058,835,000 | 7,500 | N/A | N/A | 04803 |
| 12 | Smith International, LLC | USA | Houston | 5599 San Felipe St Fl 17 | Harris | 77056 | slb.***** | 2010 | $982,408,233 | 21,931 | N/A | N/A | 2005502 |
| 13 | Tennet Offshore GMBH | Germany | Bayreuth | Bernecker Str. 70 | Bayreuth | 95448 | tennet.***** | 2012 | $967,196,817 | 47 | N/A | N/A | 95444B4516 |
| 14 | Yantai Jereh Petroleum Equipment & Technologies CO., LTD. | China | Yantai | No.27,jereh Road, Laishan District | Shandong | 264003 | N/A | 2004 | $870,260,424 | 1,700 | N/A | N/A | 370613228018790 |
| 15 | Forum Energy Technologies, INC. | USA | Houston | 10344 Sam Houston Park Dr Ste 300 | Harris | 77064 | f-e-t.***** | 2005 | $816,425,000 | 1,800 | N/A | N/A | 3966995 |
| 16 | Baker Hughes Inteq GMBH | Germany | Celle | Baker-hughes-str. 1 | Celle | 29221 | bakerhughes.***** | 2016 | $729,119,431 | 1,015 | N/A | N/A | 21335B100845 |
| 17 | Innovex International, INC. | USA | Humble | 19120 Kenswick Dr | Hopkins | 77338 | innovexdownhole.***** | 1981 | $660,803,000 | 2,683 | N/A | N/A | 2760756 |
| 18 | Hilong Holding LIMITED | Hongkong | Kwun Tong District | 5/f Manulife Place | Kwun Tong District | N/A | N/A | 2009 | $644,309,178 | 350 | N/A | N/A | 51220182 |
| 19 | Mattr CORP | Canada | Vaughan | 336 Courtland Ave | Ontario | L4K 4Y1 | N/A | 2013 | $631,082,288 | 5,108 | N/A | N/A | 11334336 |
| 20 | Seatrium New Energy LIMITED | Singapore | Singapore | 50 Gul Road | Singapore | 629351 | N/A | 1967 | $490,545,883 | 350 | N/A | N/A | 196700147N |
| 21 | U S Weatherford L P | USA | Broussard | 1221 Se Evangeline Thruway | Lafayette | 70518 | weatherford.***** | 1995 | $459,122,014 | 15,000 | N/A | N/A | 760486916 |
| 22 | Cameron (singapore) PTE. LTD. | Singapore | Singapore | 2 Gul Circle | Singapore | 629560 | N/A | 1974 | $454,597,000 | 350 | N/A | N/A | 197401101H |
| 23 | Hal Completions Mfg PTE. LTD. | Singapore | Singapore | 38 Beach Road | Singapore | 189767 | N/A | 2011 | $409,804,000 | 100 | N/A | N/A | 201114442C |
| 24 | Vetco Gray, LLC | USA | Houston | 17619 Aldine Westfield Rd | Harris | 77073 | geoilandgas.***** | 2007 | $401,624,313 | 4,800 | N/A | N/A | 2078937 |
| 25 | Sj Petroleum Machinery CO. | China | Jinzhou | No. 1, Longshansi Street, Jingzhou District | Hubei | 434024 | N/A | 2012 | $386,727,354 | 1,848 | N/A | N/A | 420000000052020 |
| 26 | Vetco Gray PTE. LTD. | Singapore | Singapore | 2 Benoi Road | Singapore | 629876 | geoilandgas.***** | 1986 | $385,283,000 | 350 | N/A | N/A | 198600474K |
| 27 | Lamprell Energy LTD | United Arab Emirates | Sharjah | Hamriyah Free Zone Inner Harbour Plot No. Hd-23,4d-01b,hd-26,hd | Sharjah | N/A | N/A | 2007 | $384,123,000 | 5,729 | N/A | N/A | 1776 |
| 28 | Foremost Universale LP | Canada | Calgary | 1225 64 Ave Ne | Alberta | T2E 8P9 | maloneyindustries.***** | 2007 | $365,140,100 | 1,300 | N/A | N/A | N/A |
| 29 | Shuifa Energas Gas CO., LTD. | China | Jinan | No.33399, Jingshi E. Road, Licheng District | Shandong | 250000 | N/A | 2002 | $357,464,030 | 829 | N/A | N/A | 210241400000445 |
| 30 | Fmc Technologies Singapore PTE LTD | Singapore | Singapore | 149 Gul Circle | Singapore | 629605 | fmctechnologies.***** | 1975 | $355,088,000 | 1,789 | N/A | N/A | 197500778H |
| 31 | Stream-Flo Industries LTD | Canada | Edmonton | 4505 74 Ave Nw | Alberta | T6B 2H5 | streamflo.***** | 1959 | $337,052,400 | 1,200 | N/A | N/A | N/A |
| 32 | Solaris Energy Infrastructure, INC. | USA | Houston | 9651 Katy Fwy Ste 300 | Harris | 77024 | solaris-energy.***** | 2014 | $313,091,000 | 364 | N/A | N/A | 6303795 |
| 33 | Baker Hughes Singapore PTE | Singapore | Singapore | 273 Jalan Ahmad Ibrahim | Singapore | 629150 | bakerhughes.***** | 1974 | $309,072,561 | 1,789 | N/A | N/A | 197400996W |
| 34 | Propak Systems LTD | Canada | Airdrie | 440 East Lake Rd Ne | Alberta | T4A 2J8 | propaksystems.***** | 1985 | $308,964,700 | 1,100 | N/A | N/A | N/A |
| 35 | Mcpike Investments LTD | Canada | Airdrie | 440 East Lake Rd Ne | Alberta | T4A 2J8 | N/A | 1978 | $308,964,700 | 1,100 | N/A | N/A | N/A |
| 36 | Reservoir Product Mfg (s) PTE LTD | Singapore | Singapore | C/o: Alliance Llc | Singapore | 048692 | N/A | 2001 | $308,085,469 | 350 | N/A | N/A | 200100707Z |
| 37 | Nov Saudi Arabia Company LIMITED | Saudiarabia | Dammam | Street 120 & 128 at Cross Street 73, P.o. Box 52681 | Eastern Region | 34332 | N/A | 2014 | $281,509,084 | 403 | N/A | N/A | 2050101422 |
| 38 | Baker Hughes Argentina S.R.L. | Argentina | Cidade Autónoma de Buenos Aires | Juana Manso 205 | Ciudad Autónoma de Buenos Aires | C1107CBE | bakerhughes.***** | 1961 | $279,314,085 | 610 | N/A | N/A | 30504475413 |
| 39 | Onesubsea Do Brasil Servicos Submarinos | Brazil | Rio de Janeiro | Av. Republica Do Chile 330 | Rio de Janeiro | 20031-170 | N/A | 1996 | $270,750,720 | 241 | N/A | N/A | 01505705000123 |
| 40 | Sichuan Honghua Petroleum Equipment Co.,ltd. | China | Guanghan | South Section of Zhongshan Avenue | Sichuan | 618300 | N/A | 2006 | $257,932,408 | 896 | N/A | N/A | 510600400000212 |
| 41 | Baoji Oilfield Machinery CO., LTD. | China | Baoji | No.2, Dongfeng Road, Jintai District | Shaanxi | 721002 | N/A | 2002 | $248,825,577 | 3,003 | N/A | N/A | 610300100011617 |
| 42 | Lufkin Canada Acquisition Company LIMITED | Canada | Estevan | 17 Hwy 39e | Saskatchewan | S4A 2A4 | quinnpumps.***** | 2020 | $224,701,600 | 800 | N/A | N/A | N/A |
| 43 | Fmc Wellhead Equipment SDN. BHD. | Malaysia | Iskandar Puteri | No. 2 Jalan Nip 2/4 | Johor Darul Takzim | 79200 | N/A | 1991 | $222,415,722 | 100 | N/A | N/A | 199101010866 |
| 44 | Rosen Technology And Research Center GMBH | Germany | Lingen (ems) | Am Seitenkanal 8 | Emsland | 49811 | rosen-group.***** | 2015 | $214,185,439 | 1,315 | N/A | N/A | 49074B201502 |
| 45 | Grand Isle Shipyard, L.L.C. | USA | Galliano | 18838 Highway 3235 | Lafourche | 70354 | gisy.***** | 2011 | $206,768,268 | 1,050 | N/A | N/A | 720393251 |
| 46 | Trendsetter Engineering, INC. | USA | Houston | 10430 Rodgers Rd | Harris | 77070 | trendsetterengineering.***** | 1996 | $199,371,368 | 300 | N/A | N/A | 0141392100 |
| 47 | Onesubsea Malaysia Systems SDN. BHD. | Malaysia | Pulai | Lot D33-35 Jalan Dpb/6 | Johor Darul Takzim | 81560 | N/A | 2006 | $198,020,139 | 100 | N/A | N/A | 200601014186 |
| 48 | Jiangsu Hongtian Technology Co.,ltd. | China | Suzhou | Room 1211, 12th Floor, Port Building, No. 60 Qinglonggang Road, | Jiangsu | 215133 | N/A | 2001 | $189,580,703 | 616 | N/A | N/A | 320500400009909 |
| 49 | Shandong Molong Petroleum Machinery Company LIMITED | China | Weifang | No. 99, Xingshang Road, Gucheng Street, Shouguang | Shandong | 262711 | N/A | 2001 | $187,198,944 | 1,324 | N/A | N/A | 370000400000030 |
| 50 | Aker Solutions Do Brasil | Brazil | San José de Los Pinares | Rua Antonio Singer 3411 | Paraná | 83091-002 | N/A | 2003 | $169,932,842 | 1,500 | N/A | N/A | 05876349000105 |