Oil & Gas Field Services stocks: intrinsic value, ROIC & growth
20 U.S. oil & gas field services companies with at least three years of SEC filings, ranked by size. 7 of the 12 with a current price trade below their Graham intrinsic value. The median company earned a 1.6% average return on invested capital and grew revenue 11.4% a year.
Updated October 18, 2026
20companies
7below Graham value
1.6%median 10-yr ROIC
11.4%median revenue CAGR
Most undervalued oil & gas field services stocks
| Ticker | Company | Upside | Price | Graham value | Price vs value | Market cap | ROIC (10y) | Revenue CAGR |
|---|---|---|---|---|---|---|---|---|
| OII | OCEANEERING INTERNATIONAL INC | +165% | $43.79 | $115.92 | 62% below | $4.4B | 1.6% | 1.7% |
| NGS | NATURAL GAS SERVICES GROUP INC | +55% | $31.10 | $48.25 | 36% below | $394.8M | 1.7% | 18.4% |
Highest-ROIC oil & gas field services stocks
| Ticker | Company | 10-yr ROIC | Price | Graham value | Price vs value | Market cap | ROIC (10y) | Revenue CAGR |
|---|---|---|---|---|---|---|---|---|
| LBRT | Liberty Energy Inc. | 13.8% | $16.60 | $6.16 | 169% above | $2.7B | 13.8% | 30.8% |
| SLB | Schlumberger | 10.7% | $49.50 | $42.86 | 15% above | $71.1B | 10.7% | 2.8% |
| HAL | Halliburton | 5.3% | $33.50 | $2.70 | 1141% above | $28.6B | 5.3% | 3.8% |
| RES | RPC INC | 4.1% | $6.05 | — | — | $1.3B | 4.1% | 9.3% |
| NGS | NATURAL GAS SERVICES GROUP INC | 1.7% | $31.10 | $48.25 | 36% below | $394.8M | 1.7% | 18.4% |
| OII | OCEANEERING INTERNATIONAL INC | 1.6% | $43.79 | $115.92 | 62% below | $4.4B | 1.6% | 1.7% |
| PUMP | ProPetro Holding Corp. | 1.6% | $7.73 | — | — | $814.7M | 1.6% | 12.6% |
| HLX | HELIX ENERGY SOLUTIONS GROUP INC | 0.8% | — | $1.76 | — | — | 0.8% | 11.4% |
All oil & gas field services stocks
| Ticker | Company | Price | Graham value | Price vs value | Market cap | ROIC (10y) | Revenue CAGR |
|---|---|---|---|---|---|---|---|
| SLB | Schlumberger | $49.50 | $42.86 | 15% above | $71.1B | 10.7% | 2.8% |
| HAL | Halliburton | $33.50 | $2.70 | 1141% above | $28.6B | 5.3% | 3.8% |
| OII | OCEANEERING INTERNATIONAL INC | $43.79 | $115.92 | 62% below | $4.4B | 1.6% | 1.7% |
| WTTR | Select Water Solutions, Inc. | $18.58 | — | — | — | -21.9% | 18.6% |
| LBRT | Liberty Energy Inc. | $16.60 | $6.16 | 169% above | $2.7B | 13.8% | 30.8% |
| HLX | HELIX ENERGY SOLUTIONS GROUP INC | — | $1.76 | — | — | 0.8% | 11.4% |
| XPRO | EXPRO GROUP HOLDINGS N.V. | $16.16 | $14.30 | 13% above | $1.9B | -11.1% | 14.2% |
| NESR | National Energy Services Reunited Corp. | $18.73 | $10.53 | 78% above | $1.9B | 7.3% | 7.5% |
| RES | RPC INC | $6.05 | — | — | $1.3B | 4.1% | 9.3% |
| WBI | WaterBridge Infrastructure LLC | $28.49 | — | — | — | 5.9% | 61.8% |
| PUMP | ProPetro Holding Corp. | $7.73 | — | — | $814.7M | 1.6% | 12.6% |
| ACDC | ProFrac Holding Corp. | $4.03 | $22.81 | 82% below | $678.2M | 62.9% | 28.8% |
| CLB | Core Laboratories Inc. /DE/ | $10.00 | $13.32 | 25% below | $470.3M | 13.2% | 2.9% |
| NGS | NATURAL GAS SERVICES GROUP INC | $31.10 | $48.25 | 36% below | $394.8M | 1.7% | 18.4% |
| NCSM | NCS Multistage Holdings, Inc. | — | $287.32 | — | — | -13.5% | 7.2% |
| NINE | Nine Energy Service, Inc. | $8.39 | $9.47 | 11% below | $343.3M | -12.4% | 8.0% |
| RNGR | Ranger Energy Services, Inc. | $14.65 | $17.94 | 18% below | $332.2M | -2.0% | 29.7% |
| TUSK | MAMMOTH ENERGY SERVICES, INC. | $2.70 | — | — | $130.6M | -6.7% | -16.8% |
| KLXE | KLX Energy Services Holdings, Inc. | $1.32 | $40.52 | 97% below | $24.7M | -16.6% | 19.6% |
| RCON | Recon Technology, Ltd | $0.99 | — | — | $5.6M | -28.2% | -19.6% |
Stock lists
Undervalued Stocks Below Graham Intrinsic Value
Highest ROIC Stocks (10-Year Average)
Highest Free Cash Flow Yield Stocks
Fastest-Growing Stocks by 10-Year Revenue