- Spalding Laboratories - Arroyo Grande, CA - fly predators
- Associated Refuse Haulers - Sandy Hook, CT
- Big Boy's Toys LLC - Pomfret Center, CT - spreaders
- Horse Environmental Awareness Program/ Connecticut - Wallingford, CT - info-proper disposal
- LeMay Inc - Newtown, CT
- New England Green/ Pasture Management - Tolland, CT
- Pinebrook Valley Farm - Cheshire, CT - containers
- Smart Carts - Windham, ME - stable carts
- Higgins Powersports - Barre, MA - utility vehicles
- Horse Manure Management Initiative/ Massachusetts - Westford, MA - list of haulers
- Lorusso Corperation/ Manure Removal - Plainville, MA - containers
- Mitrano Removal Services LLC - Shirley, MA
- Sirum Equipment Co Inc - Montague, MA - spreaders
- Sunnynook Farms - Rochester, MA - pick up
- Judge Manning Horse Transportation - Amenia, NY - containers
- Sweet Peet of New York, Inc - Pawling, NY - containers, removal
- Beaver River Associates - Pawlet, VT - in situ composting
- O2 Compost/ Price-Moon Enterprises Inc - Snohomish, WA - composting system
