Phoenix Group

In 1993, Air & Earth, Inc. was formed to provide support services for the environmental, architectural and engineering professionals. Our concept was designed to relieve the professional of the weight of maintaining a trained professional staff while alleviating burdensome overhead that is inherently encountered for limited projects.

Isotek Agricultural Labs, established in 1995, provides a comprehensive range of analyses tailored for the livestock feed, pet food, animal rendering, agricultural trading, and biofuel industries. The company is recognized for its quality testing, competitive pricing, unmatched turnaround time, and diversified testing options. With a commitment to serving various sectors, Isotek offers detailed price lists and encourages inquiries for tests not listed. Their expertise ensures that clients receive reliable and timely results to support their agricultural needs. Generated from the website

Greystone Environmental Services Inc, located in Nichols Hills, OK, is a leading provider of environmental assessments and solutions for real estate professionals, buyers, and sellers. With expertise in Phase I and II assessments, as well as Underground Storage Tank evaluations, Greystone assists in evaluating environmental risks associated with properties, ensuring a smooth property transaction process. Operating in Kansas, Oklahoma, Arkansas, and Texas, Greystone has prepared numerous Phase I and II assessments for properties across multiple states, while also successfully remediating impacted soil and groundwater at various sites. Their knowledgeable staff collects and presents data to support informed decisions, offering practical alternatives and workable plans for their clients.Generated from the website