United States

Top 60 largest US Companies in the Oil & Gas Equipment & Services industry by Market Cap

This is the list of the largest public listed companies in the Oil & Gas Equipment & Services industry from the United States by market capitalization with links to their reference stock.

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Top Oil & Gas Equipment & Services Companies from the United States as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
31 Natural Gas Services Group, Inc. $432.2 M United States US Energy US Oil & Gas Equipment & Services
32 Oil States International, Inc. $428.4 M United States US Energy US Oil & Gas Equipment & Services
33 FTS International, Inc. $372.5 M

(March 1, 2022)

 United States US Energy US Oil & Gas Equipment & Services
34 Ranger Energy Services, Inc. $332.0 M United States US Energy US Oil & Gas Equipment & Services
35 CSI Compressco LP $251.3 M

(Jan. 1, 2024)

 United States US Energy US Oil & Gas Equipment & Services
36 Geospace Technologies Corporation $228.0 M United States US Energy US Oil & Gas Equipment & Services
37 Pardee Resources Co. $192.2 M United States US Energy US Oil & Gas Equipment & Services
38 Gulf Island Fabrication, Inc. $191.3 M United States US Energy US Oil & Gas Equipment & Services
39 Smart Sand, Inc. $160.5 M United States US Energy US Oil & Gas Equipment & Services
40 Exterran Corporation $152.6 M

(Oct. 1, 2022)

 United States US Energy US Oil & Gas Equipment & Services
41 DMC Global Inc. $141.0 M United States US Energy US Oil & Gas Equipment & Services
42 Profire Energy, Inc. $117.3 M

(Jan. 1, 2025)

 United States US Energy US Oil & Gas Equipment & Services
43 Mammoth Energy Services, Inc. $94.9 M United States US Energy US Oil & Gas Equipment & Services
44 NCS Multistage Holdings, Inc. $76.3 M

(July 1, 2025)

 United States US Energy US Oil & Gas Equipment & Services
45 North European Oil Royalty Trust $65.1 M United States US Energy US Oil & Gas Equipment & Services
46 KLX Energy Services Holdings, Inc. $34.6 M United States US Energy US Oil & Gas Equipment & Services
47 Nine Energy Service, Inc. $15.3 M United States US Energy US Oil & Gas Equipment & Services
48 Marine Petroleum Trust $8.3 M United States US Energy US Oil & Gas Equipment & Services
49 SMG Industries, Inc. $402,082 United States US Energy US Oil & Gas Equipment & Services
50 Expro Group Holdings N.V. Commo United States US Energy US Oil & Gas Equipment & Services
51 ProFrac Holding Corp. United States US Energy US Oil & Gas Equipment & Services
52 Petrotech Oil & Gas, Inc. United States US Energy US Oil & Gas Equipment & Services
53 Kodiak Gas Services, Inc. United States US Energy US Oil & Gas Equipment & Services
54 Terra Energy & Resource Technologies, Inc. United States US Energy US Oil & Gas Equipment & Services
55 Seacor Holdings Inc. United States US Energy US Oil & Gas Equipment & Services
56 RigNet, Inc. United States US Energy US Oil & Gas Equipment & Services
57 Deltron, Inc. United States US Energy US Oil & Gas Equipment & Services
58 Cal Dive International, Inc. United States US Energy US Oil & Gas Equipment & Services
59 XR Energy, Inc. United States US Energy US Oil & Gas Equipment & Services
60 Golden Patriot Corp United States US Energy US Oil & Gas Equipment & Services

Top Oil & Gas Equipment & Services Companies from the United States as of Jan. 01, 2026

31. Natural Gas Services Group, Inc.

Company Profile: Natural Gas Services Group, Inc.
Market Cap (USD): $432.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

32. Oil States International, Inc.

Company Profile: Oil States International, Inc.
Market Cap (USD): $428.4 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

33. FTS International, Inc.

Company Profile: FTS International, Inc.
Market Cap (USD): $372.5 M (March 1, 2022)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

34. Ranger Energy Services, Inc.

Company Profile: Ranger Energy Services, Inc.
Market Cap (USD): $332.0 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

35. CSI Compressco LP

Company Profile: CSI Compressco LP
Market Cap (USD): $251.3 M (Jan. 1, 2024)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

36. Geospace Technologies Corporation

Company Profile: Geospace Technologies Corporation
Market Cap (USD): $228.0 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

37. Pardee Resources Co.

Company Profile: Pardee Resources Co.
Market Cap (USD): $192.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

38. Gulf Island Fabrication, Inc.

Company Profile: Gulf Island Fabrication, Inc.
Market Cap (USD): $191.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

39. Smart Sand, Inc.

Company Profile: Smart Sand, Inc.
Market Cap (USD): $160.5 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

40. Exterran Corporation

Company Profile: Exterran Corporation
Market Cap (USD): $152.6 M (Oct. 1, 2022)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

41. DMC Global Inc.

Company Profile: DMC Global Inc.
Market Cap (USD): $141.0 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

42. Profire Energy, Inc.

Company Profile: Profire Energy, Inc.
Market Cap (USD): $117.3 M (Jan. 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

43. Mammoth Energy Services, Inc.

Company Profile: Mammoth Energy Services, Inc.
Market Cap (USD): $94.9 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

44. NCS Multistage Holdings, Inc.

Company Profile: NCS Multistage Holdings, Inc.
Market Cap (USD): $76.3 M (July 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

45. North European Oil Royalty Trust

Company Profile: North European Oil Royalty Trust
Market Cap (USD): $65.1 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

46. KLX Energy Services Holdings, Inc.

Company Profile: KLX Energy Services Holdings, Inc.
Market Cap (USD): $34.6 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

47. Nine Energy Service, Inc.

Company Profile: Nine Energy Service, Inc.
Market Cap (USD): $15.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

48. Marine Petroleum Trust

Company Profile: Marine Petroleum Trust
Market Cap (USD): $8.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

49. SMG Industries, Inc.

Company Profile: SMG Industries, Inc.
Market Cap (USD): $402,082
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

50. Expro Group Holdings N.V. Commo

Company Profile: Expro Group Holdings N.V. Commo
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

51. ProFrac Holding Corp.

Company Profile: ProFrac Holding Corp.
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

52. Petrotech Oil & Gas, Inc.

Company Profile: Petrotech Oil & Gas, Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

53. Kodiak Gas Services, Inc.

Company Profile: Kodiak Gas Services, Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

54. Terra Energy & Resource Technologies, Inc.

Company Profile: Terra Energy & Resource Technologies, Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

55. Seacor Holdings Inc.

Company Profile: Seacor Holdings Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

56. RigNet, Inc.

Company Profile: RigNet, Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

57. Deltron, Inc.

Company Profile: Deltron, Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

58. Cal Dive International, Inc.

Company Profile: Cal Dive International, Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

59. XR Energy, Inc.

Company Profile: XR Energy, Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

60. Golden Patriot Corp

Company Profile: Golden Patriot Corp
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

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