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Core Laboratories vs Mammoth Energy Services: CLB and TUSK compared
Core Laboratories is the larger company: $132M of revenue in its latest quarter (Q3 2026) against $21.3M for Mammoth Energy Services (Q3 2026). Mammoth Energy Services is growing faster (+97% against -2% a year earlier). Core Laboratories is more profitable, with an operating margin of 9.1% against -2.0%.
Where the money goes: CLB and TUSK
Core Laboratories (CLB) · Q3 2026
Core Laboratories, Q3 2026: revenue $132M (-2% year over year), operating margin 9.1%, net earnings $5.4M, operating cash flow $5.0M. The chart follows the revenue to costs, profit and cash.
Mammoth Energy Services (TUSK) · Q3 2026
Mammoth Energy Services, Q3 2026: revenue $21.3M (+97% year over year), operating margin -2.0%, net earnings $126K, operating cash flow $91K. The chart follows the revenue to costs, profit and cash.
| Core Laboratories (CLB) | Mammoth Energy Services (TUSK) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $132M | $21.3M |
| Revenue growth, Y/Y | -2% | +97% |
| Operating margin | 9.1% | -2.0% |
| Net earnings | $5.4M | $126K |
| Net margin | 4.1% | 0.6% |
| Operating cash flow | $5.0M | $91K |
| Free cash flow | $1.7M | — |
Where the revenue comes from
Core Laboratories
- Service: $96.0M (73%)
- Product: $36.1M (27%)
Mammoth Energy Services
- Rentals: $9.6M (45%)
- Sand: $5.2M (24%)
- Accommodations: $3.4M (16%)
- Drilling: $2.1M (10%)
Questions
Which is bigger, Core Laboratories or Mammoth Energy Services?
Core Laboratories is the larger company: $132M of revenue in its latest quarter (Q3 2026) against $21.3M for Mammoth Energy Services (Q3 2026).
Is Core Laboratories or Mammoth Energy Services growing faster?
Mammoth Energy Services is growing faster (+97% against -2% a year earlier).
Which is more profitable, Core Laboratories or Mammoth Energy Services?
Core Laboratories is more profitable, with an operating margin of 9.1% against -2.0%.
More: Core Laboratories earnings · how Core Laboratories makes money · Mammoth Energy Services earnings · how Mammoth Energy Services makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 30, 2026; 10-Q filed Oct 30, 2026). Fiscal quarters can end on different dates. Not investment advice.