Data as of Oct 18, 2026Based on 231 AI responses
Reviewed by Dimitry Apollonsky
Rank and Mentioned in · since Jul 7
| # | Brand | Recommended for | Mentioned in |
|---|---|---|---|
| 1 | advising municipal clients on waste-to-energy plant planning and procurement | advising municipal clients on waste-to-energy plant planning and procurement | 32% |
| 2 | advisory and consulting work for municipal solid waste projects | advisory and consulting work for municipal solid waste projects | 22% |
| 3 | conducting detailed life cycle assessments for environmental impact analysis | conducting detailed life cycle assessments for environmental impact analysis | 21% |
| 4 | free open-source modeling across life cycle impact assessment methodologies | free open-source modeling across life cycle impact assessment methodologies | 19% |
| 5 | technical advisory and solid waste engineering for public projects | technical advisory and solid waste engineering for public projects | 18% |
| 6 | spatial analysis, receptor mapping, and geographic environmental reviews | spatial analysis, receptor mapping, and geographic environmental reviews | 14% |
| 7 | global engineering and solid waste facility design services | global engineering and solid waste facility design services | 13% |
| 8 | free open-source spatial mapping and site-specific geographic analysis | free open-source spatial mapping and site-specific geographic analysis | 13% |
| 9 | training courses and technical resources covering site remediation technologies | training courses and technical resources covering site remediation technologies | 11% |
| 10 | industrial assessments and life cycle footprint analysis | industrial assessments and life cycle footprint analysis | 10% |
| 11 | 10% | ||
| 12 | 9% | ||
| 13 | 9% | ||
| 14 | 8% | ||
| 15 | 8% |
What’s changing · since July
Since July, SCS Engineersrising, Tetra Techrising, and Gershman, Brickner & Brattonrising have become more frequent recommendations across solid waste and environmental engineering queries.
Week of Sep 21–27 · Since Jul 5
Widest split: Geosyntec, 13% on ChatGPT Search and 23% on Google AI Mode.
| Brand | ChatGPT Search | Google AI Mode | Comparison |
|---|---|---|---|
| Ramboll | 31% | 34% | |
| SCS Engineers | 23% | 21% | |
| SimaPro | 21% | 22% | |
| openLCA | 21% | 18% | |
| Geosyntec | 13% | 23% | |
| ArcGIS | 16% | 12% | |
| Tetra Tech | 12% | 15% | |
| QGIS | 12% | 13% | |
| CLU-IN | 12% | 9% | |
| Sphera | 9% | 10% |
56% of citations point at the ranked brands’ own sites. youtube.com, onestopesg.com, daily.dev are the most-cited sites outside the ranked brands’ own domains.
Market map
Mentioned in · since Jul 7
Leading brands by topic
I need to conduct an environmental impact assessment. What's the best software for that?
What are the best online courses for an environmental engineer to learn about new remediation technologies?
What are the most important steps in commissioning a new HVAC system to ensure it's running efficiently?