How do i contact miller environmental group? Get in Touch with Miller Environmental Group. GEORGE WALLACE III, CET, CHMM. Executive VP/Chief Commercial Officer. 538 Edwards Avenue, Calverton, NY 11933. Office: (631) 369-4900 ext. 241.Who is the miller group? The Miller Group was established when Miller Environmental Services, LLC acquired Belco Industrial Services, LLC.Why choose millermiller environmental services? Miller Environmental Services can tailor our services to meet the needs and budgets for almost any type of project or client.Why choose millers environmental and sons ltd? We are a trustworthy and reliable contractor to carry out all aspects of liquid waste disposal. Millers Environmental and Sons Ltd have been working with us as an approved supplier for over a year now and we are very happy with the quality of their desludging and tankering service we receive from them.