| Ranking | Industry | Net Revenue from SEO | ROI |
| #1 | Real Estate Investment | $3.6M per year (3 year average) | 3,115% |
| #2 | Medical Device & Equipment Manufacturing | $2.4M per year (3 year average) | 2,431% |
| #3 | PCB Design & Manufacturing | $2.3M per year (3 year average) | 2,079% |
| #4 | Computer Product Manufacturing | $2.0M per year (3 year average) | 2,071% |
| #5 | Investment & Wealth Management | $2.0M per year (3 year average) | 1,985% |
| #6 | Higher Education & College | $1.8M per year (3 year average) | 1,985% |
| #7 | Oil & Gas | $1.8M per year (3 year average) | 1,800% |
| #8 | Industrial Internet of Things | $1.8M per year (3 year average) | 1,774% |
| #9 | Pharmaceutical Sales | $1.8M per year (3 year average) | 1,614% |
| #10 | Solar Energy | $1.7M per year (3 year average) | 1,535% |
| #11 | Scientific Measurement & Testing | $1.7M per year (3 year average) | 1,519% |
| #12 | Business Insurance | $1.7M per year (3 year average) | 1,480% |
| #13 | Apparel | $1.6M per year (3 year average) | 1,333% |
| #14 | IT Consulting | $1.6M per year (3 year average) | 1,304% |
| #15 | Addiction Treatment | $1.4M per year (3 year average) | 1,181% |
| #16 | B2B SaaS | $1.4M per year (3 year average) | 1,181% |
| #17 | HVAC Services | $1.3M per year (3 year average) | 1,151% |
| #18 | Beauty Products | $1.3M per year (3 year average) | 1,138% |
| #19 | Construction Products | $1.1M per year (3 year average) | 947% |
| #20 | Staffing Firms | $1.0M per year (3 year average) | 852% |
