About Us Greenslade’s Disposal offer waste management and recycling services for your residential and commercial needs. We are a family business owned and operated by Dan & Derek Greenslade. Established in 2001, we offer competitive rates and a commitment to our customers for exceptional and reliable service. Greenslade’s operates in Alberta from Fort MacMurray to Lethbridge and Banff to Saskatchewan Border to provide the products and services you need. We pride ourselves in providing you with best customer service around. Certificates These are some of our Safety Certificates!