2010 sponsors
| Company | Sponsor Level | Website | |
| Tata & Howard | Presidential Sponsor | http://www.tataandhoward.com/ | |
| AECOM | V.P. Sponsor | http://www.aecom.com/ | |
| CDM | V.P. Sponsor | http://www.cdm.com/ | |
| Comprehensive Environmental Inc. | V.P. Sponsor | http://www.ceiengineers.com/ | |
| Malcolm Pirnie | V.P. Sponsor | http://www.pirnie.com/ | |
| Stantec | V.P. Sponsor | http://www.stantec.com/default.htm | |
| Stiles Co. | V.P. Sponsor | http://www.stilesco.com/ | |
| Woodard & Curran | V.P. Sponsor | http://www.woodardcurran.com/ | |
| Wright-Pierce | V.P. Sponsor | http://www.wright-pierce.com/ | |
| Amory Engineers | Directors Sponsor | http://www.amoryengineers.com/ | |
| Bartlett Consolidated LLC | Directors Sponsor | http://bartlettconsolidated.com/ | |
| DYK Incorporated | Directors Sponsor | http://www.dyk.com/index1024.html | |
| EJ Prescott | Directors Sponsor | http://www.ejprescott.com/ | |
| Environmental Partners Group, Inc. | Directors Sponsor | http://www.envpartners.com/ | |
| Fay, Spofford & Thorndike | Directors Sponsor | http://www.fstinc.com/ | |
| GHD | Directors Sponsor | http://www.ghd.com/global/about-us/stearns--wheler | |
| Haley & Ward | Directors Sponsor | http://www.haleyward.com/ | |
| Kleinfleder/SEA | Directors Sponsor | http://www.seacon.com/ | |
| Natgun Corporation | Directors Sponsor | http://www.natgun.com/ | |
| Pipe Plus, Inc. | Directors Sponsor | http://www.pipeplus.com/ | |
| Putnam Pipe Corp. | Directors Sponsor | http://putnampipe.com/ | |
| RH White Construction | Directors Sponsor | http://rhwhite.com/ | |
| Statewide Aquastore | Directors Sponsor |
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| Tighe & Bond | Directors Sponsor | http://www.tighebond.com/ | |
| Ti-SALES | Directors Sponsor | http://www.tisales.com/ | |
| Vellano Bros., Inc. | Directors Sponsor | http://www.vellano.com/ | |
| Weston & Sampson | Directors Sponsor | http://www.westonandsampson.com/ |
