Ostara

of employees
About
Ostara is a U.S.-based agricultural technology company specializing in enhanced-efficiency phosphate fertilizers and nutrient recovery solutions for the agriculture and wastewater industries. Founded in 2005, the company commercializes proprietary technologies that recover phosphorus and nitrogen from wastewater and convert these valuable nutrients into high-performance fertilizers. Ostara’s mission is to improve nutrient efficiency while reducing nutrient pollution, helping address global challenges related to food production, water quality, and environmental sustainability.
Headquartered in St. Louis, Missouri, USA, Ostara combines advanced nutrient recovery technology with innovative fertilizer products marketed under the Crystal Green® and CG P2X™ brands. The company serves agricultural producers, turf and ornamental markets, and wastewater utilities throughout North America and internationally. Its nutrient recovery technology has been deployed at more than 25 commercial installations worldwide, enabling municipalities to recover phosphorus and nitrogen while producing sustainable fertilizer products.
Products and Services
- Crystal Green® Fertilizers — enhanced-efficiency phosphate fertilizers that release nutrients in response to plant demand, reducing phosphorus tie-up, runoff, and leaching.
- CG P2X™ Fertilizers — next-generation granular phosphate fertilizers designed to improve nutrient availability and crop performance.
- Nutrient Recovery Technology — patented systems that recover phosphorus and nitrogen from municipal and industrial wastewater streams.
- Wastewater Treatment Solutions — technologies that improve wastewater treatment efficiency while reducing maintenance costs and nutrient pollution.
- Agronomic Support — technical expertise and crop nutrition recommendations to maximize fertilizer performance.
- Sustainable Crop Nutrition — solutions that improve nutrient use efficiency, increase crop yields, and promote long-term soil health.
- Environmental Solutions — technologies that support circular nutrient management by transforming wastewater nutrients into valuable agricultural products.
Contacts
Headquarters
Phone: (604) 408-6697
Email: contact@ostara.com
Address: 1001 North Warson Rd, Suite 200, St. Louis MO 63132
Regional contacts
| Region | Sales Development Manager | Phone | |
| Idaho (ID) Montana (MT) Oregon (OR) Washington (WA) Wyoming (WY) | Brandon Neuman | brandon.neuman@ostara.com | 406-450-1460 |
| Minnesota (MN) North Dakota (ND) South Dakota (SD) | Tom Fry | tom.fry@ostara.com | 763-614-9722 |
| Arizona (AZ) California (CA) Connecticut (CT) Delaware (DE) Georgia (GA) Illinois (IL) Iowa (IA) Maine (ME) Maryland (MD) Massachusetts (MA) Missouri (MO) Nevada (NV) New Hampshire (NH) New Jersey (NJ) New Mexico (NM) New York (NY) North Carolina (NC) Oklahoma (OK) Pennsylvania (PA) Rhode Island (RI) South Carolina (SC) Texas (TX) Utah (UT) Vermont (VT) Virginia (VA) West Virginia (WV) Wisconsin (WI) | Dan Schulz | dschulz@ostara.com | 636-856-7767 |
| Colorado (CO) Kansas (KS) Nebraska (NE) | Brian Easland | brian.easland@ostara.com | 402-860-9743 |
| Alabama (AL) Arkansas (AR) Louisiana (LA) Mississippi (MS) Tennessee (TN) | Derrick Anderson | derrick.anderson@ostara.com | 870-926-7254 |
| Florida (FL) Kentucky (KY) | James Sledd | james.sledd@ostara.com | 270-564-9678 |
| Indiana (IN) Michigan (MI) Ohio (OH) | Dennis Philpot | dennis.philpot@ostara.com | 810-404-3124 |
Sales outside the continental U.S.
Email: rrestum@ostara.com
Phone: 316-744-5260 (Ron Restum)













